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COBOL Developer

Accenture

Subang Jaya, Malaysia

๐Ÿ‡ฒ๐Ÿ‡พ

Develop and configure features for mainframe applications. You'll analyze and resolve production issues while maintaining code quality and keeping documentation up to date.

COBOL
Verified: 2025-10-02

Senior Delphi Developer

adesso health

Kiel, Germany | Neumรผnster, Germany | Hamburg, Germany

๐Ÿ‡ฉ๐Ÿ‡ช

Senior Delphi developer for health software. Build and extend modules, analyze requirements, ensure quality. Bonus: C/C++ experience, SQL, Jira/Confluence. German fluency (C1) required.

Delphi
Verified: 2025-10-02

Staff Backend Engineer with Rust

Min. seniority: Staff
Affinidi

Berlin, Germany | London, England, UK

๐Ÿ‡ฉ๐Ÿ‡ช ๐Ÿ‡ฌ๐Ÿ‡ง

Lead the development of secure, scalable, and high-performance backend systems focused on decentralized digital identity. Requires deep expertise in Rust, TypeScript and Node.js.

Ruby Typescript
Verified: 2025-10-04

OCaml Developer

Ahrefs

Singapore | Remote

๐Ÿ  ๐Ÿ‡ธ๐Ÿ‡ฌ

OCaml backend developer role managing 25PB+ of live data. Tackle distributed systems, OS internals, and full component lifecycle. Strong systems knowledge and pragmatic coding mindset essential.

C++ OCaml
Verified: 2025-10-02

Delphi Developer

Alliance Automotive Group

Niort, France

๐Ÿ‡ซ๐Ÿ‡ท

Delphi developer role maintaining and evolving ERP solutions for the auto parts sector. Delphi, SQL Server, GitLab required. Focus on clean code, unit testing, and documentation.

Delphi
Verified: 2025-10-02

Senior Software Engineer, AI Runtime

Min. seniority: Senior
Apollo GraphQL

Remote, USA

๐Ÿ  ๐Ÿ‡บ๐Ÿ‡ธ

Scale enterprise AI/MCP Server and Gateway for multi-agent workflows. Requires deep expertise in Rust, distributed systems, agent-to-tool orchestration/routing, and high-performance server architecture.

Rust
Verified: 2025-10-02

Senior Software Engineer

Min. seniority: Senior
Apollo GraphQL

Remote, UK | Remote, USA

๐Ÿ  ๐Ÿ‡ฌ๐Ÿ‡ง ๐Ÿ‡บ๐Ÿ‡ธ

Build and maintain GraphQL Runtime infrastructure for GraphOS using idiomatic Rust. Requires expertise in fault-tolerant systems and high-performance backend design.

Rust
Verified: 2025-10-02

Staff Software Engineer, AI Runtime

Min. seniority: Staff
Apollo GraphQL

Remote, USA

๐Ÿ  ๐Ÿ‡บ๐Ÿ‡ธ

Architect and scale the MCP Gateway for multi-agent AI workflows. Requires deep Rust expertise, distributed systems, and leading strategic system design for high-performance routing and orchestration.

Rust
Verified: 2025-10-02

Manager, Software Engineering, Tools

Min. seniority: Manager
Apple

Cupertino, CA, USA

๐Ÿ‡บ๐Ÿ‡ธ

Lead and mentor Internal Tools team focused on scalable software solutions. Requires 5+ years engineering leadership. Preferred experience with Clojure and functional programming teams.

Clojure
Verified: 2025-10-02

Backend Team Leader

Appunite

Poznaล„, Poland

๐Ÿ‡ต๐Ÿ‡ฑ

Backend Team Leader guiding a 6โ€“8 person team, owning end-to-end delivery, and driving business impact.

Elixir
Verified: 2025-10-02

Backend Engineer

Appunite

Poznaล„, Poland

๐Ÿ‡ต๐Ÿ‡ฑ

Backend Engineer with 2+ yearsโ€™ experience, PostgreSQL skills, and BEAM expertise. Join a remote product team in Poland building web-scale apps.

Elixir
Verified: 2025-10-02

COBOL Developer

Apside

Nantes, France

๐Ÿ‡ซ๐Ÿ‡ท

Cobol developer role for a bank. Focus on production deployment, support, and documentation.

COBOL
Verified: 2025-10-02

Backend Engineer

Artis

London, England, UK

๐Ÿ‡ฌ๐Ÿ‡ง

Backend role building high-performance Rust services for real-time financial data. Requires experience with distributed systems, stream processing (Kafka, Flink), and cloud infrastructure (AWS). JVM or database experience also welcome.

Rust
Verified: 2025-10-02

Software Engineer Apprentice

Min. seniority: Internship
ASSFINET

Grafschaft bei Bonn, Germany

๐Ÿ‡ฉ๐Ÿ‡ช

2026 apprenticeship to develop standard software using C#, SQL, TypeScript, & Delphi. Focus on web frontend, cloud backend, and desktop apps.

C# Delphi Typescript
Verified: 2025-10-02

Software Engineer (Mid-Level)

Audience Republic

Sydney, NSW, Australia

๐Ÿ‡ฆ๐Ÿ‡บ

Mid-level engineer with 3-5 years of experience to develop and deploy new features for an event marketing platform. This is an opportunity to learn functional programming and Clojure.

Clojure
Verified: 2025-10-02

Senior Software Engineer

Audience Republic

Sydney, NSW, Australia

๐Ÿ‡ฆ๐Ÿ‡บ

Design, develop, and deploy features for a CRM & marketing platform. Ideal for senior engineers who want to transition to a Clojure tech stack.

Clojure
Verified: 2025-10-02

Senior Backend Engineer

Min. seniority: Senior
August Health

Remote, USA

๐Ÿ  ๐Ÿ‡บ๐Ÿ‡ธ

Develop and ship a modern EHR/operating platform for senior care. Core stack includes Scala/Play, Protobuf, & Postgres. Requires 7+ years building and shipping thoughtfully built APIs in complex applications.

Scala
Verified: 2025-10-02

Senior Full Stack Engineer

Min. seniority: Senior
August Health

Remote, USA

๐Ÿ  ๐Ÿ‡บ๐Ÿ‡ธ

Build and ship a modern EHR/operating platform for senior care. Focus on Scala/Play backend and React/TypeScript frontend. Requires 7+ years experience; knowledge of the Effect ecosystem is a plus.

Scala
Verified: 2025-10-02

Software Developer

B+S Banksysteme AG

Salzburg, Austria

๐Ÿ‡ฆ๐Ÿ‡น

The role involves building and maintaining banking software in Cobol and Java. Involves full lifecycle work, quality assurance, and customer support collaboration.

COBOL Java
Verified: 2025-10-02

Software Engineering Manager

Min. seniority: Manager
BAE Systems

Maple Grove, MN, USA

๐Ÿ‡บ๐Ÿ‡ธ

Software Engineering Manager overseeing teams modernizing combat vehicle and weapon system software. Responsibilities include process improvement, architecture, integration, and lab development. Stack spans Ada, Python, C-family, Red Hat, DevOps, Kubernetes. U.S. citizenship and Secret clearance eligibility required.

Ada C++ Python
Verified: 2025-10-02

Software Engineering Lead

Min. seniority: Lead
BAE Systems

Greenlawn, NY, USA

๐Ÿ‡บ๐Ÿ‡ธ

Software Engineering Lead driving embedded systems projects in defense electronics. Lead Agile teams, manage budgets/schedules, mentor engineers. Stack includes Ada and C++. U.S. citizenship and Secret clearance eligibility required.

Ada C++
Verified: 2025-10-02

IT Developer II

Min. seniority: Mid-level
Banco Santander

Sรฃo Paulo, Brazil

๐Ÿ‡ง๐Ÿ‡ท

Maintain and enhance mainframe systems with Cobol, CICS, and DB2. Role involves distributed architecture integration, technical documentation, and collaboration. Desirable skills: Java, APIs, AWS Cloud, financial systems.

COBOL
Verified: 2025-10-02

Software Engineer II A - GBS IND

Min. seniority: Mid-level
Bank of America

Chennai, India | Mumbai, India

๐Ÿ‡ฎ๐Ÿ‡ณ

Develop/maintain digital document lifecycle applications. Primarily a Mainframe (COBOL/DB2/JCL) role with required experience in Oracle PL/SQL. Must be open to learning Java and participating in mainframe-to-Java migration efforts.

COBOL Java
Verified: 2025-10-02

KDB Developer

Min. seniority: Senior
Barclays

Pune, India

๐Ÿ‡ฎ๐Ÿ‡ณ

Develop and maintain large-scale distributed Kdb+ systems for Location Strategy projects. Requires excellent Q/Kdb+ programming on Linux and experience in front office / electronic trading systems.

Q (APL)
Verified: 2025-10-02

Senior Software Engineer

Min. seniority: Senior
BBC

London, England, UK | Glasgow, Scotland, UK

๐Ÿ‡ฌ๐Ÿ‡ง

Develop and operate a high-performance cluster of Elixir applications for global web/app routing and resiliency. Requires extensive experience with functional programming (Elixir/Erlang/Clojure), OTP, AWS, and system observability.

Elixir
Verified: 2025-10-03

Haskell Developer

Bellroy

Collingwood, Australia

๐Ÿ  ๐Ÿ‡ฆ๐Ÿ‡บ

Haskell Developer role building and evolving a bespoke e-commerce platform. Strong FP skills required; Nix, AWS, and Ruby on Rails experience a plus.

Haskell
Verified: 2025-10-02

Software Developer

betzemeier automotive software GmbH & Co. KG

Minden, Germany

๐Ÿ‡ฉ๐Ÿ‡ช

Delphi Developer role modernizing ERP software for the automotive sector. Focus on interface development, SQL, and complex process modeling.

Delphi
Verified: 2025-10-02

Full-Stack Software Engineer

Min. seniority: Mid-level
Blockstream

Remote, USA

๐Ÿ  ๐Ÿ‡บ๐Ÿ‡ธ

Develop services and applications that build on Bitcoin/Liquid/Core Lightning. Requires 5+ years full-stack experience, Rust systems programming, Python API development, and React/Vue.js frontend skills.

C++ Javascript Python Rust
Verified: 2025-10-03

Rust-Simplicity Maintainer

Min. seniority: Mid-level
Blockstream

Remote, USA

๐Ÿ  ๐Ÿ‡บ๐Ÿ‡ธ

Primary steward and maintainer for Blockstream's Rust-based Simplicity implementation and associated libraries. Requires strong Rust proficiency, familiarity with Bitcoin/blockchain protocols, and multi-repository maintenance/code review experience.

Rust
Verified: 2025-10-03

Programming Language Developer

Min. seniority: Senior
Blockstream

Remote, USA

๐Ÿ  ๐Ÿ‡บ๐Ÿ‡ธ

Focus on SimplicityHL, a functional language for blockchain. Design and implement the complete developer experience, tooling, and infrastructure, including unit testing, package/module systems, and automated documentation. Requires proficiency in Rust or Haskell and strong knowledge of modular system architecture.

Haskell Rust
Verified: 2025-10-03

Software Engineer

Min. seniority: Junior
blue:solution

Rheine, Germany

๐Ÿ‡ฉ๐Ÿ‡ช

Delphi and C# Developer role enhancing a desktop ERP system for the trades sector. Entry-level friendly.

C# Delphi
Verified: 2025-10-02

Mainframe Developer

Min. seniority: Senior
BNP Paribas

Chennai, India

๐Ÿ‡ฎ๐Ÿ‡ณ

Develop and maintain high-quality client reporting applications in an Agile environment. Requires Expert Mainframe MVS knowledge and Advanced COBOL, IMS/DB, DB2/SQL experience.

COBOL
Verified: 2025-10-03

Data Engineer

Min. seniority: Mid-level
BNP Paribas

Madrid, Spain

๐Ÿ‡ช๐Ÿ‡ธ

Design and optimize robust data pipelines for a shared services center. Core technologies include Spark on Scala, Apache Airflow, Kafka, HDFS, and SQL. Focus on CI/CD, data quality, and banking industry processes.

Scala
Verified: 2025-10-03

Mainframe Developer

Min. seniority: Senior
BNP Paribas

Nantes, France

๐Ÿ‡ซ๐Ÿ‡ท

Develop and evolve Mainframe applications for the Financing, Risk, and Regulatory domains. Requires 5+ years experience with Mainframe (MVS/COBOL/DB2/CICS), testing mastery, and experience with MQ Series.

COBOL
Verified: 2025-10-03

Junior Cobol Software Engineer

Min. seniority: Junior
BNP Paribas

Nantes, France

๐Ÿ‡ซ๐Ÿ‡ท

Agile squad project on client/reference data systems. Requires first professional experience in Mainframe/COBOL development. Knowledge of Java JEE/MQ is a plus. Training and career growth opportunities.

COBOL
Verified: 2025-10-03

Cobol Developer

Min. seniority: Mid-level
BNP Paribas

Bucarest, Romania

๐Ÿ‡ท๐Ÿ‡ด

Join a team delivering first-class banking applications in all phases of the SDLC. Requires relevant experience in COBOL programming, Mainframe, JCL, DB2, and a medium level of French to collaborate with colleagues in France.

COBOL
Verified: 2025-10-03

Entry-Level Software Engineer, Weapons

Min. seniority: Internship
Boeing

Saint Charles, MO, USA

๐Ÿ‡บ๐Ÿ‡ธ

Develop, integrate, and test complex Operational Flight Software for Direct Attack Weapon Systems. Work on real-time embedded software using Ada, C#, and Python. Requires US Citizenship and ability to obtain a Secret Clearance.

Ada C# Python
Verified: 2025-10-03

Weapons Associate Software Engineer

Min. seniority: Mid-level
Boeing

St. Charles, MO, USA

๐Ÿ‡บ๐Ÿ‡ธ

Develop, integrate, and test Operational Flight Software for Direct Attack Weapon Systems. Focus on real-time embedded software using Ada, C#, and Python. Requires 2+ years experience and ability to obtain a U.S. Secret Clearance.

Ada C# Python
Verified: 2025-10-03

Tech Lead - Betting Engine

Min. seniority: Lead
Caesars Entertainment

Krakow, Poland

๐Ÿ‡ต๐Ÿ‡ฑ

Manage and mentor a team of engineers while remaining hands-on in development of a real-time, high-throughput Betting Engine. Requires 5+ years engineering, Scala expertise, proven leadership, and deep experience with Kafka and OLTP/distributed systems.

Scala
Verified: 2025-10-04

Scala Engineer - Growth

Min. seniority: Mid-level
Caesars Entertainment

Jersey City, NJ, USA | Las Vegas, NV, USA

๐Ÿ‡บ๐Ÿ‡ธ

Build and maintain robust backend systems for real-time customer engagement and retention platforms). Requires 3+ years backend development, 2+ years professional Scala, strong functional programming, and experience with real-time systems and Kafka/microservices.

Scala
Verified: 2025-10-04

Tech Lead (Backend) - Growth

Min. seniority: Lead
Caesars Entertainment

Jersey City, NJ, USA | Las Vegas, NV, USA

๐Ÿ‡บ๐Ÿ‡ธ

Manage, mentor, and guide a team of engineers, while actively contributing code. Requires 5+ years engineering experience, Scala expertise, proven leadership, and building/maintaining APIs for high-throughput, real-time systems.

Scala
Verified: 2025-10-04

C++/Rust Graphics and Windowing System Software Engineer - Mir

Min. seniority: Mid-level
Canonical

Remote

๐Ÿ 

Design, implement, and maintain Mir, a high-performance window manager/display subsystem and its solutions like Ubuntu Frame. Requires 2+ years experience, excellent modern C++ and Rust skills, and familiarity with Linux.

C++ Rust
Verified: 2025-10-04

Staff Software Engineer

Min. seniority: Staff
Cars.com

Remote, USA

๐Ÿ  ๐Ÿ‡บ๐Ÿ‡ธ

Hands-on technical leader to own the technology strategy and drive the evolution of the new Inventory Platform. Elixir/Phoenix experience is preferred but not required for candidates with strong background.

Elixir
Verified: 2025-10-04

Sr. Software Engineer

Min. seniority: Senior
Cars.com

Remote, USA

๐Ÿ  ๐Ÿ‡บ๐Ÿ‡ธ

Design and develop highly available, scalable backend services for the foundational platform and core services organization. Elixir experience not required but considered a big plus. Requires 5+ years backend development and experience with AWS, containers, and observability.

Elixir
Verified: 2025-10-04

POST DOC - High-Energy Atmospheric Electrodynamics

Centre national de la recherche scientifique (CNRS)

Orlรฉans, France

๐Ÿ‡ซ๐Ÿ‡ท

Conduct theoretical and numerical research on Relativistic Runaway Electron Avalanches (RREA) and other high-energy atmospheric electricity phenomena. Requires a PhD, strong expertise in numerical modeling, and excellent command of Fortran and MATLAB.

Fortran
Verified: 2025-10-04

Research Engineer in Peatland Modeling

Centre national de la recherche scientifique (CNRS)

Paris, France

๐Ÿ‡ซ๐Ÿ‡ท

12-month CDD contract to integrate a new peatland model into the ORCHIDEE land surface model. Requires a Master's in climate science/biogeochemistry, a strong interest in modeling, and necessary skills in Fortran.

Fortran
Verified: 2025-10-04

Satellite and Atmospheric Data assimilation Scientist

Centro Euro Mediterraneo sui Cambiamenti Climatici (CMCC)

Bologna, Italy

๐Ÿ‡ฎ๐Ÿ‡น

Senior researcher to develop the SPREADS ensemble Kalman filter based on DART. Requires PhD, 10+ years experience, and strong skills in Fortran, Python/IDL, and Unix/Linux.

Fortran
Verified: 2025-10-04

Ocean Numerical Modeller

Centro Euro Mediterraneo sui Cambiamenti Climatici (CMCC)

Lecce, Italy

๐Ÿ‡ฎ๐Ÿ‡น

Researcher to support global-to-coastal scale ocean modeling. Requires PhD/experience in GFD numerical methods and proficiency in Fortran and Python/R/MATLAB.

Fortran
Verified: 2025-10-04

Software Engineer (Engineer III to Principal) - Formal Methods

CertiK

New York, NY, USA | Seattle, WA, USA | San Francisco, CA, USA

๐Ÿ‡บ๐Ÿ‡ธ

Formal methods engineer role building automated verification tools for smart contracts. Requires experience with model checking, SAT/SMT solving, and programming language theory.

Haskell OCaml
Verified: 2025-10-02

Delphi Software Engineer

CGM

Oberessendorf, Germany | Erlangen, Germany | Idstein, Germany | St. Wolfgang, Germany | Martinsried, Germany | Koblenz, Germany

๐Ÿ‡ฉ๐Ÿ‡ช

Delphi Developer role building and optimizing rehab clinic software in an agile team. Delphi 11 experience preferred. German required.

Delphi
Verified: 2025-10-02

System developer Dyalog/APL

Min. seniority: Unknown
CGM

Solna, Sweden

๐Ÿ‡ธ๐Ÿ‡ช

System developer role using Dyalog/APL to enhance critical healthcare systems. Ideal for experienced functional programmers (Python, Haskell, MATLAB) eager to learn APL and build robust, array-oriented solutions.

APL
Verified: 2025-10-02

Delphi Software Developer for Mobile Applications

Min. seniority: Mid-level
CGM

Oberessendorf, Germany | Erlangen, Germany | Hรถxter, Germany | Bochum, Germany | St. Wolfgang, Germany | Idstein, Germany | Martinsried, Germany | Koblenz, Germany

๐Ÿ‡ฉ๐Ÿ‡ช

Develop and enhance innovative mobile applications (Firemonkey) for rehabilitation clinics within an Agile (Scrum) team. Requires excellent Delphi experience, IT degree/equivalent, and fluent German.

Delphi
Verified: 2025-10-04

Application Development Sr Programmer - Mainframe Developer, AVP

Min. seniority: Senior
Citi

Jacksonville, FL, USA

๐Ÿ‡บ๐Ÿ‡ธ

Senior role to develop and enhance applications for card issuance, plastics production, and customer digital communication systems. Requires 5-8 years hands-on Mainframe expertise (COBOL, JCL, CICS, DB2, z/OS) and experience with SQL, Java, Open Text Exstream, and Agile Scrum.

COBOL
Verified: 2025-10-04

Cobol Mainframe Developer, AVP

Min. seniority: Mid-level
Citi

Irving, TX, USA

๐Ÿ‡บ๐Ÿ‡ธ

Intermediate-level role to lead development, analysis, and programming for new/revised application systems. Requires 5-8 years experience with core Mainframe technologies including COBOL, MVS, JCL, VSAM, and Changeman.

COBOL
Verified: 2025-10-04

Mainframe / COBOL developer

Min. seniority: Senior
Citi

Pune, India

๐Ÿ‡ฎ๐Ÿ‡ณ

Contribute to applications analysis and programming for financial systems. Requires 7+ years strong Mainframe experience with COBOL, DB2, JCL, CICS, VSAM.

COBOL
Verified: 2025-10-04

Mainframe Applications Development Sr Programmer Analyst

Min. seniority: Senior
Citi

New Castle, DE, USA

๐Ÿ‡บ๐Ÿ‡ธ

Senior role to develop, maintain, and enhance critical mainframe applications in financial services. Requires deep proficiency in COBOL, JCL, DB2, CICS, VSAM, and z/OS.

COBOL
Verified: 2025-10-04

Mainframe Programmer/Analyst (AVP)

Min. seniority: Lead
Citi

Singapore

๐Ÿ‡ธ๐Ÿ‡ฌ

Lead the development and maintenance of the Commercial Cards corporate reporting and Credit Management applications on the VisionPlus platform. Requires 10+ years experience in the Credit Cards domain, with expertise in Network compliance, Virtual Cards/Tokens, and strong mainframe skills.

COBOL
Verified: 2025-10-04

Mainframe Developer - Tech Lead - AVP

Min. seniority: Lead
Citi

Pune, India

๐Ÿ‡ฎ๐Ÿ‡ณ

Senior role to contribute to applications analysis and programming, serving as a Subject Matter Expert and mentor. Requires 9+ years strong Mainframe experience, strong design/development skills, and Financial Services domain experience.

COBOL
Verified: 2025-10-04

Apps Dev Intmd Programmer Analyst

Min. seniority: Mid-level
Citi

Chennai, India

๐Ÿ‡ฎ๐Ÿ‡ณ

Intermediate role (5-9 years experience) to contribute to applications analysis and programming. Requires experience in Mainframe applications including CICS, COBOL, DB2, VSAM, JCL, and related tools.

COBOL
Verified: 2025-10-04

COBOL Developer

Min. seniority: Senior
Citi

Belfast, Northern Ireland, UK

๐Ÿ‡ฌ๐Ÿ‡ง

Senior-level role responsible for leading application systems analysis and programming, helping redefine global finance. Requires 5+ years relevant experience and extensive knowledge of COBOL, DB2, CICS, VSAM, & MQ.

COBOL
Verified: 2025-10-04

Application Development - Mainframe

Min. seniority: Mid-level
Citi

Chennai, India

๐Ÿ‡ฎ๐Ÿ‡ณ

Intermediate role (2-5 years experience) contributing to applications systems analysis and programming. Requires experience in Mainframe software development and Exstream content composition software.

COBOL
Verified: 2025-10-04

Senior Software Engineer - XenServer Toolstack

Min. seniority: Senior
Cloud Software Group

Cambridge, England, UK

๐Ÿ‡ฌ๐Ÿ‡ง

Develop the control plane for XenServer, a commercial virtualization platform, managing VMs, storage, and networking. Work primarily in OCaml, a functional language, on deep technical challenges in distributed systems and robust API design. Interest/experience in functional programming is required.

OCaml
Verified: 2025-10-04

Principal Systems Engineer, IPC

Min. seniority: Principal
Cloudflare

London, England, UK | Lisbon, Portugal

๐Ÿ‡ฌ๐Ÿ‡ง ๐Ÿ‡ต๐Ÿ‡น

Senior Engineer/Architect role to build the next generation of the high-performance communication layer that connects all services on Cloudflare's massive edge network. Requires deep expertise in Rust, experience with performance engineering for high-throughput, low-latency distributed systems, and the ability to serve as a key technical leader driving operational excellence.

Rust
Verified: 2025-10-04

Senior Software Engineer - WARP Edge Service

Min. seniority: Senior
Cloudflare

Austin, TX, USA | London, England, UK | Lisbon, Portugal

๐Ÿ‡ฌ๐Ÿ‡ง ๐Ÿ‡ต๐Ÿ‡น ๐Ÿ‡บ๐Ÿ‡ธ

Build and maintain high-performance networking code in Rust on Linux for WARP Edge, handling secure tunnel termination and traffic routing from millions of devices. Requires deep experience with low-level languages, multithreaded/asynchronous programming, and networking protocols.

Rust
Verified: 2025-10-04

Software Engineer - Cloudflare Network Interconnect

Min. seniority: Mid-level
Cloudflare

Austin, TX, USA | Champaign, IL, USA

๐Ÿ‡บ๐Ÿ‡ธ

Develop and manage the control and data planes of custom network infrastructure, operating systems, and APIs for the CNI product. Requires 3+ years experience, Rust programming, deep experience with Linux networking primitives, and familiarity with data center networking protocols.

Rust
Verified: 2025-10-04

Engineer - Rust

Min. seniority: Unknown
CloudWalk

Sรฃo Paulo, Brazil

๐Ÿ  ๐Ÿ‡ง๐Ÿ‡ท

Senior Rust Engineer building AI-enhanced, blockchain-based credit card systems. Focus on performance, scalability, and real-time transaction processing. Remote role using Rust microservices to redefine fintech infrastructure with AI integration.

Rust
Verified: 2025-10-02

Engineer - Elixir

Min. seniority: Senior
CloudWalk

Sรฃo Paulo, Brazil

๐Ÿ  ๐Ÿ‡ง๐Ÿ‡ท

Develop and architect bulletproof, fault-tolerant applications in Elixir and Phoenix for high-scale financial transactions. Requires deep OTP/actor model knowledge, expertise in functional programming/Clean Code, and an AI-First Mindset for workflow automation.

Elixir
Verified: 2025-10-05

Mainframe Developer

Min. seniority: Lead
Cognizant

Chennai, India

๐Ÿ‡ฎ๐Ÿ‡ณ

Lead and mentor a team focused on development and implementation of mainframe applications. Requires deep understanding and hands-on experience with CICS, VSAM, JCL, DB2, and COBOL.

COBOL
Verified: 2025-10-05

Product Architect (ISG)

Cognizant

Chennai, India

๐Ÿ‡ฎ๐Ÿ‡ณ

Architect Connex switch transaction systems on HPE NonStop/Tandem, guiding design and mentoring the team. Requires deep Connex, TAL, COBOL/S-COBOL, TACL expertise, and strong knowledge of ATM/POS and Authorization Processing (AP).

COBOL
Verified: 2025-10-05

Senior Raincode Architect

Min. seniority: Senior
Cognizant

Kolkata

๐Ÿ‡ฎ๐Ÿ‡ณ

Design and develop comprehensive architectural solutions using the Raincode Platform for mainframe modernization projects. Requires 12-16 years experience and deep expertise in Raincode Platform, CICS, VSAM, JCL, DB2, and COBOL.

COBOL
Verified: 2025-10-05

Lead Mainframe Developer

Min. seniority: Lead
Cognizant

Chennai, India

๐Ÿ‡ฎ๐Ÿ‡ณ

Lead the design, implementation, and maintenance of Cards and Payments mainframe applications. Requires extensive experience with FileAids, CICS, DB2, VSAM, JCL, COBOL, and tools like SPUFI and Endevor.

COBOL
Verified: 2025-10-05

Sr Product Specialist (ISG)

Min. seniority: Senior
Cognizant

Chennai, India

๐Ÿ‡ฎ๐Ÿ‡ณ

Lead a team supporting Connex switch transactions on HPE NonStop/Tandem systems, requiring hands-on Connex, TAL, COBOL/S-COBOL, TACL, and deep ATM/POS and Authorization Processing expertise.

COBOL
Verified: 2025-10-05

Senior Software Engineer

Commerce.com

Remote, Poland | Remote, Spain

๐Ÿ  ๐Ÿ‡ช๐Ÿ‡ธ ๐Ÿ‡ต๐Ÿ‡ฑ

Senior Software Engineer enhancing BigCommerce Storefront systems. Work with Scala, PHP, JavaScript, gRPC; scale high-throughput apps, mentor peers, and drive technical design in a distributed remote team across US/EU time zones.

Scala
Verified: 2025-10-02

Senior Software Engineer

Min. seniority: Senior
Commerce.com

Remote, Ireland | Remote, UK

๐Ÿ  ๐Ÿ‡ฌ๐Ÿ‡ง ๐Ÿ‡ฎ๐Ÿ‡ช

Maintain and improve the high-throughput Storefront Environment services that allow shoppers to browse and purchase. Requires 5+ years professional experience, development expertise in Scala, and experience scaling highly concurrent applications.

Scala
Verified: 2025-10-05

Internship โ€“ Nuclear Fission Mode Analysis in Multidimensional Deformation Space

Min. seniority: Internship
Commissariat ร  l'รฉnergie atomique et aux รฉnergies alternatives (CEA)

Saint-Paul-lez-Durance, France

๐Ÿ‡ซ๐Ÿ‡ท

Research internship studying nuclear fission modes using random-walk algorithms on multidimensional potential-energy surfaces. Involves developing a Python interface for systematic calculations based on existing Fortran nuclear codes, with possible C++ integration.

C++ Fortran Python
Verified: 2025-10-05

Internship - Electromagnetic Modelling of Metasurfaces with AI

Min. seniority: Internship
Commissariat ร  l'รฉnergie atomique et aux รฉnergies alternatives (CEA)

Le Barp, France

๐Ÿ‡ซ๐Ÿ‡ท

Research role focused on electromagnetic metasurface modelling using an internal Fortran 90 simulation code for data generation and Python for post-processing and machine learning.

Fortran Python
Verified: 2025-10-05

Senior Software Engineer (L4)

Converge

London, England, UK

๐Ÿ  ๐Ÿ‡ฌ๐Ÿ‡ง

Senior role using Haskell, TypeScript, and Python across frontend/backend. Focus on new product development, domain modelling, and concrete data systems. Involves mentoring, tech leadership, and customer-facing work. ยฃ95-110K.

Haskell
Verified: 2025-10-02

Software Developer

CP Immo Solutions

Mรถdling, Austria

๐Ÿ‡ฆ๐Ÿ‡น

C# role with strong ties to legacy Delphi; expect hands-on work in both. Help evolve a bespoke accounting system. MS SQL-heavy. German required.

C# Delphi
Verified: 2025-10-02

Cobol Developer

Min. seniority: Mid-level
Crรฉdit Mutuel

Courbevoie, France

๐Ÿ‡ซ๐Ÿ‡ท

Senior Developer building debt collection and dispute management applications for factoring operations. Requires experience with IBM Z/OS, COBOL, and DB2.

COBOL
Verified: 2025-10-11

Senior Cobol/C# Developer

Min. seniority: Senior
Crรฉdit Mutuel

Strasbourg, France

๐Ÿ‡ซ๐Ÿ‡ท

Full-cycle analysis and development role for the "Cardlink" Monetics Sector supporting foreign banks. Requires a Bac+4/5 degree and proficiency in both COBOL and C#.

C# COBOL
Verified: 2025-10-11

Cobol Developer

Min. seniority: Mid-level
Crรฉdit Mutuel

Fontenay Sous Bois, France

๐Ÿ‡ซ๐Ÿ‡ท

Developer building payment exchange systems between banks and businesses. Mainframe-focused role with Open systems integration, handling data flows, security protocols, and enterprise services. Requires 2-3 years experience with COBOL and DB2 on Mainframe.

COBOL
Verified: 2025-10-11

Cobol Developer

Min. seniority: Mid-level
Crรฉdit Mutuel

Schiltigheim, France

๐Ÿ‡ซ๐Ÿ‡ท

Senior Developer building tax reporting and compliance systems across mainframe and cloud platforms. Requires experience with IMS, JCL, COBOL, DB2, and DLI, plus .NET/C# knowledge.

C# COBOL
Verified: 2025-10-11

Cobol Developer

Min. seniority: Mid-level
Crรฉdit Mutuel

Nantes, France

๐Ÿ‡ซ๐Ÿ‡ท

Mainframe Developer building time and activity management systems. Requires experience with IBM Mainframe IMS, COBOL, and DB2.

COBOL
Verified: 2025-10-11

Senior Cobol Developer

Min. seniority: Senior
Crรฉdit Mutuel

Nantes, France

๐Ÿ‡ซ๐Ÿ‡ท

Develop and maintain mainframe applications covering the Basel regulatory functional scope for Credit Risk. Requires a Bac+4/5 degree and proficiency in COBOL/DB2.

COBOL
Verified: 2025-10-11

Full Stack Engineer

Min. seniority: Junior
Crรฉdit Mutuel

Strasbourg

๐Ÿ‡ซ๐Ÿ‡ท

Full stack developer role working on internal insurance platforms using COBOL and C#. Ideal for early-career developers. Focus on security, maintainability, and collaborative development practices.

C# COBOL
Verified: 2025-10-02

Senior Cobol Developer

Min. seniority: Senior
Crรฉdit Mutuel

Verlinghem, France

๐Ÿ‡ซ๐Ÿ‡ท

Senior Developer building CRM and sales management tools. Design, develop, and maintain mainframe applications using COBOL/DB2 on MVS. Requires strong functional and technical analysis skills, project experience, and expertise in MVS, JCL, COBOL, and DB2.

COBOL
Verified: 2025-10-11

Cobol Developer

Min. seniority: Senior
Crรฉdit Mutuel

Cergy, France | Strasbourg, France

๐Ÿ‡ซ๐Ÿ‡ท

Senior Mainframe Developer building development tools for internal developers across the organization. Requires 5-7 years experience with COBOL, JCL, IMS, DB2, and TSO.

COBOL
Verified: 2025-10-11

Backend Engineer III, LogScale Language and Runtime

Min. seniority: Senior
CrowdStrike

Remote, East Coast, USA

๐Ÿ  ๐Ÿ‡บ๐Ÿ‡ธ

Senior Backend Engineer building the LogScale query language and execution pipeline for high-scale log management platform. Requires experience with distributed systems and functional/object-oriented programming. Scala experience highly desirable.

Scala
Verified: 2025-10-11

Senior Rust Developer

CYSEC

Toulouse, France

๐Ÿ‡ซ๐Ÿ‡ท

Office-based senior Rust role developing secure satellite-ground comms software (ARCA SATLINK). Focus on cryptography and space systems. Requires strong Rust, Git, Docker; cryptography or embedded background is a plus.

Rust
Verified: 2025-10-02

Experimental Physicist II

D-Wave

Burnaby, Canada

๐Ÿ‡จ๐Ÿ‡ฆ

This role is for a physicist to characterize, calibrate, and improve superconducting quantum processors. Work on a variety of problems, including noise reduction and device performance.

Common Lisp
Verified: 2025-10-02

Principal Machine Learning Engineer

Daedalean

Zรผrich, Switzerland

๐Ÿ‡จ๐Ÿ‡ญ

Principal ML engineer role leading certified AI avionics development. Focus on visual traffic detection, deep learning, and CV using Rust, Python, and C++. Strong research and system design responsibilities.

Rust
Verified: 2025-10-02

kdb+ Developer

Data Intellect

Singapore

๐Ÿ‡ธ๐Ÿ‡ฌ

Mid-senior kdb+ developer role building and maintaining financial time series applications. Requires 3+ yearsโ€™ experience, SDLC knowledge, and strong client-facing skills. Python, cloud, and leadership experience are desirable.

Q (APL)
Verified: 2025-10-11

Senior kdb+ Developer

Data Intellect

Belfast, Northern Ireland, UK

๐Ÿ‡ฌ๐Ÿ‡ง

Senior kdb+ developer role leading technical teams and defining architectures for financial time series solutions. Requires 5+ yearsโ€™ experience, Unix/Linux skills, and capital markets background. Cloud, Python, and leadership experience are a plus.

Q (APL)
Verified: 2025-10-11

Senior kdb+ Developer

Data Intellect

London, England, UK

๐Ÿ‡ฌ๐Ÿ‡ง

Lead architecture, development, and delivery of time series solutions in capital markets. Requires 5+ yearsโ€™ kdb+, Linux, stakeholder engagement, and technical leadership. Python/cloud a plus.

Q (APL)
Verified: 2025-10-11

Senior kdb+ Developer

Data Intellect

Toronto, Canada

๐Ÿ‡จ๐Ÿ‡ฆ

Senior kdb+ developer role leading architecture and delivery of financial time series systems. Requires 5+ yearsโ€™ experience, Unix/Linux skills, and capital markets expertise. Cloud, Python, and leadership experience are advantageous.

Q (APL)
Verified: 2025-10-11

Associate kdb+ Developer

Data Intellect

Toronto, Canada

๐Ÿ‡จ๐Ÿ‡ฆ

Associate kdb+ developer role supporting financial time series apps. Requires 1+ yearsโ€™ experience, SDLC knowledge, and strong analytical and client-facing skills. Python, cloud, and capital markets experience are beneficial.

Q (APL)
Verified: 2025-10-11

Junior kdb+ Developer

Data Intellect

New York City, NY, USA

๐Ÿ‡บ๐Ÿ‡ธ

Entry-level kdb+ developer role working on time series data apps for finance clients. Requires 1+ yearsโ€™ experience, SDLC familiarity, and strong analytical skills. Python, cloud, and capital markets exposure are advantageous.

Q (APL)
Verified: 2025-10-11

kdb+ Developer

Data Intellect

Belfast, Northern Ireland, UK

๐Ÿ‡ฌ๐Ÿ‡ง

Mid-senior kdb+ developer role supporting financial data applications. Requires 3+ yearsโ€™ experience, SDLC understanding, and strong client interaction. Bonus for Python, cloud, or prior capital markets exposure. Mentorship responsibilities included.

Q (APL)
Verified: 2025-10-11

kdb+ Developer

Data Intellect

Hong Kong SAR

๐Ÿ‡ญ๐Ÿ‡ฐ

Mid-senior kdb+ developer role focused on building and maintaining time series data apps for financial clients. Requires 2+ years' experience, SDLC knowledge, and strong problem-solving. Python, cloud, and capital markets exposure a plus.

Q (APL)
Verified: 2025-10-11

Software Engineer (C++/Rust)

Min. seniority: Junior
Databento

Remote, USA

๐Ÿ  ๐Ÿ‡บ๐Ÿ‡ธ

Junior Engineer to join the core team designing and maintaining high-performance server applications for financial data APIs. Requires strong proficiency in C/C++ or Rust and an interest in low-level optimization for high throughput and nanosecond latency systems using petabytes of data.

C++ Rust
Verified: 2025-10-11

Senior Data Engineer - Revenue Platforms

Datadog

Paris, France

๐Ÿ‡ซ๐Ÿ‡ท

Senior Data Engineer role building high-volume Spark-based pipelines using Scala, Java, Python, and Flink. Power mission-critical revenue systems processing trillions of events.

Scala
Verified: 2025-10-11

Functional Programming Developer

DataRisk

Florianรณpolis, Brazil

๐Ÿ‡ง๐Ÿ‡ท

Remote F# developer role focused on functional programming for MLOps tooling. Open to junior through senior levels with experience in F#, OCaml, Haskell, or similar.

F#
Verified: 2025-10-02

Backend Engineer - Inference Services

Min. seniority: Mid-level
Deepgram

Remote, USA

๐Ÿ  ๐Ÿ‡บ๐Ÿ‡ธ

Backend Engineer building inference services for voice AI platform. Requires 3+ years experience with Rust (or C, C++) and Python.

Python Rust
Verified: 2025-10-13

Backend Engineer- Console Team

Min. seniority: Mid-level
Deepgram

Remote, USA

๐Ÿ  ๐Ÿ‡บ๐Ÿ‡ธ

Backend Engineer building authorization, usage, billing, and payment APIs for voice AI platform using Rust, Nomad, and PostgreSQL. Requires 3+ years experience with statically typed, memory-safe languages. Rust experience preferred but not required.

Rust
Verified: 2025-10-13

Mainframe Developer - AS

Min. seniority: Senior
Deutsche Bank

Pune

๐Ÿ‡ฎ๐Ÿ‡ณ

Mainframe Developer building consumer loan account management and administration systems. Requires 6-10 years experience with COBOL, JCL, DB2, and VSAM.

COBOL
Verified: 2025-10-13

Senior Engineer, AVP

Min. seniority: Senior
Deutsche Bank

Pune, India

๐Ÿ‡ฎ๐Ÿ‡ณ

Senior Engineer building trader and counterparty surveillance systems using Scala, Java, Python, and Big Data technologies (Spark, Impala, Hive, Hadoop). Requires core expertise in Scala and Java, Python exposure, and experience with large datasets.

Java Python Scala
Verified: 2025-10-13

Engineer Full Stack - AS

Min. seniority: Mid-level
Deutsche Bank

Pune, India

๐Ÿ‡ฎ๐Ÿ‡ณ

Full Stack Engineer building enterprise risk applications using Java, Scala, Angular, and Kubernetes on Google Cloud. Requires deep knowledge of Java and Scala, Oracle PL/SQL experience, and test-driven development practice.

Java Scala Typescript
Verified: 2025-10-13

Apprenticeship in Application Development

Min. seniority: Internship
Deutsche WertpapierService Bank

Dรผsseldorf, Germany

๐Ÿ‡ฉ๐Ÿ‡ช

Apprenticeship focused on developing securities processing systems. Training starts with COBOL and DB2 on mainframe, later transitioning to Java, Spring Boot, Angular, and Kafka. No experience required. German required; English preferred. Starts August 2026

COBOL Java Typescript
Verified: 2025-10-13

Cobol Developer - Tax Database

Min. seniority: Senior
Deutsche WertpapierService Bank

Frankfurt am Main, Germany | Dรผsseldorf, Germany

๐Ÿ‡ฉ๐Ÿ‡ช

COBOL Developer maintaining and modernizing securities processing platform applications. Requires strong COBOL and DB2 experience with mainframe application development. German (C1) and English (B2) required.

COBOL
Verified: 2025-10-13

Cobol Application Developer

Min. seniority: Senior
Deutsche WertpapierService Bank

Frankfurt am Main, Germany | Dรผsseldorf, Germany

๐Ÿ‡ฉ๐Ÿ‡ช

COBOL Developer building settlement and depot transfer systems, migrating mainframe applications to microservices architecture. Requires strong COBOL and DB2 experience with mainframe development. German (C1) and English (B2) required.

COBOL
Verified: 2025-10-13

Senior Software Engineer - Boundary Nodes

Min. seniority: Senior
DFINITY

Zurich, Switzerland

๐Ÿ‡จ๐Ÿ‡ญ

Evolve the Internet Computer's edge infrastructure, responsible for the HTTP gateways and API boundary nodes that handle all incoming traffic. This full-stack role requires a strong understanding of networking and distributed systems, expertise in a systems language, and proficiency with Docker and Ansible.

Rust
Verified: 2025-10-04

Senior Elixir Software Engineer

Distribusion

Berlin, Germany

๐Ÿ‡ฉ๐Ÿ‡ช

Senior Elixir engineer role focused on building and maintaining core APIs for global travel ticketing. Requires 3+ years Elixir experience, TDD, microservices, CI/CD, and API integration. GCP, Kubernetes, and mentoring experience are a plus.

Elixir
Verified: 2025-10-02

Senior Software Engineer

Docaposte

Marseille, France

๐Ÿ‡ซ๐Ÿ‡ท

The role involves maintaining and evolving complex business software (EDT). Focus on UI, DB modeling, bug fixes, and refactoring. Strong OOP, algorithmic, and DB skills required; Delphi experience preferred.

Delphi
Verified: 2025-10-02

Elixir Product Engineer

Dyad

London, England, UK

๐Ÿ‡ฌ๐Ÿ‡ง

Elixir product engineer role building healthcare tools with Phoenix and LiveView. Full-stack development, SQL optimization, CI/CD, and infrastructure in a small, agile team. Focus on UK primary care systems with hybrid flexibility.

Elixir
Verified: 2025-10-02

Senior Rust Engineer

Min. seniority: Senior
Eiger

Remote

๐Ÿ 

Contract role. Join a team of senior Web3 engineers to design, implement, and document distributed systems and core protocols for mass adoption. Requires 5+ years collaborative development experience, 3+ years hands-on Rust, and experience leading small teams in systems programming.

Rust
Verified: 2025-10-04

Senior Software Engineer

Evident

Atlanta, GA, USA

๐Ÿ‡บ๐Ÿ‡ธ

Senior Scala Engineer role developing scalable microservices for risk verification at a fast-growing startup. Involves SQL/NoSQL, cloud-native apps, and cross-functional collaboration.

Scala
Verified: 2025-10-02

Software Engineer

Evident

Krakรฒw, Poland | Atlanta, GA, USA

๐Ÿ‡ต๐Ÿ‡ฑ ๐Ÿ‡บ๐Ÿ‡ธ

Scala Software Engineer role developing scalable microservices for risk verification. Requires 1โ€“2 yearsโ€™ Scala experience, solid coding practices, and problem-solving skills.

Scala
Verified: 2025-10-02

Junior Scala Developer

Exalate

Barcelona, Spain

๐Ÿ‡ช๐Ÿ‡ธ

Entry-level Scala role with mentorship. Great for recent grads with JVM exposure and strong problem-solving skills. Monthly travel to Barcelona required first 6 months. Agile experience and Git a plus.

Scala
Verified: 2025-10-02

Senior Backend Developer

Exalate

Remote, Europe

๐Ÿ 

Senior Scala developer role focused on microservices, Play Framework, Akka, and PostgreSQL. Heavy XP practices, functional programming, and CI/CD. Help build and mentor a remote-first team delivering complex integration features.

Scala
Verified: 2025-10-02

Software Engineer โ€“ Internal Tooling & Infrastructure

Exoscale

Lausanne, Switzerland | Remote, EU | Remote, UK

๐Ÿ  ๐Ÿ‡จ๐Ÿ‡ญ ๐Ÿ‡ฌ๐Ÿ‡ง

Clojure-focused role building internal tooling and infrastructure at a European cloud provider. Work on Kubernetes orchestration, distributed systems, and Go-based OSS tools. Functional programming and Linux experience required.

Clojure
Verified: 2025-10-02

TTT - Scala Developer - Advanced Analyst

EY

Pune, India

๐Ÿ‡ฎ๐Ÿ‡ณ

Senior Scala Developer role at EY GDS focusing on high-volume Spark-based data pipelines in Scala. Involves performance optimization, NoSQL (Cassandra), Databricks, and CI/CD with Azure DevOps. Strong testing and Agile practices required.

Scala
Verified: 2025-10-02

Web/Elixir Engineer

Felt

Oakland, CA, USA | Remote, USA

๐Ÿ  ๐Ÿ‡บ๐Ÿ‡ธ

Web/Elixir Engineer driving product-led growth at scale. Full-stack with Elixir, React, databases; integrate analytics, billing, and CRM systems. Collaborate across teams to build fast, reliable systems.

Elixir Javascript
Verified: 2025-10-02

Software Engineer

Min. seniority: Senior
Flow Traders

Amsterdam, Netherlands | Hong Kong SAR

๐Ÿ‡ญ๐Ÿ‡ฐ ๐Ÿ‡ณ๐Ÿ‡ฑ

Develop scalable, low-latency solutions, focusing on on-chain trading systems. Requires 5+ years commercial experience, strong Rust proficiency, and expertise in distributed systems, concurrency, and low-latency applications.

Rust
Verified: 2025-10-04

Senior Rust Developer

Min. seniority: Senior
Fudo Security

Remote, Poland

๐Ÿ  ๐Ÿ‡ต๐Ÿ‡ฑ

Senior Rust Developer role designing secure product components. Requires strong Rust, SQL, cryptography, and security knowledge; plus mentorship and code review. Nice-to-have Linux, networking, CI/CD.

Rust
Verified: 2025-10-02

Software Engineer

G-Research

London, England, UK

๐Ÿ‡ฌ๐Ÿ‡ง

Software engineer role building high-performance systems for petabyte-scale data and trading infrastructure. C#, Python, or C++ experience ideal.

C# F# Python
Verified: 2025-10-02

Research Engineer

Galois, Inc.

Portland, OR, USA | Arlington, VA, USA | Dayton, OH, USA | Minneapolis, MN, USA

๐Ÿ‡บ๐Ÿ‡ธ

The role entails verifying safety-critical systems using formal methods. Requires strong PL theory background, functional programming skills, and software engineering experience. Secret clearance eligibility needed; hybrid work in multiple U.S. locations.

Haskell
Verified: 2025-10-02

Software Engineer

Gateless

Remote, Latin America

๐Ÿ 

Clojure role building a distributed expert system for mortgage automation using Clara Rules, AWS, and Svelte. Functional programming focus with microservices, Step Functions, and Terraform. Fintech or AI experience a plus.

Clojure
Verified: 2025-10-02

.NET Software Developer

Genetec

Montrรฉal, Canada

๐Ÿ‡จ๐Ÿ‡ฆ

Full-time .NET developer (C#/F#). Build frontend and backend for scalable enterprise systems across domains like cloud, video, or access control. All experience levels welcome. Uses Visual Studio, .NET, F#.

C# F#
Verified: 2025-10-02

Staff Engineer, Endpoint Agent

Min. seniority: Staff
Halcyon

San Francisco, CA, USA | New York, NY, USA | Austin, TX, USA

๐Ÿ  ๐Ÿ‡บ๐Ÿ‡ธ

Lead the architecture and technical vision for Halcyon's cross-platform anti-ransomware endpoint. Requires expertise in low-level systems/kernel/driver development.

Rust
Verified: 2025-10-04

Haskell Software Engineer

Heilmann Software

Stuttgart, Germany

๐Ÿ‡ฉ๐Ÿ‡ช

Haskell developer role in a collaborative, model-driven team using GHCJS, optics, and optionally FRP or CouchDB. Emphasis on simplicity, creative problem-solving, and long-term growth. Welcomes non-traditional backgrounds with strong Haskell interest.

Haskell
Verified: 2025-10-02

Power System Studies Engineer

Hitachi Energy

Madrid, Spain

๐Ÿ‡ช๐Ÿ‡ธ

Simulation-heavy power systems role. You'll run studies using PSCAD, RTDS, PowerFactory; script in Python/MATLAB; and ideally tweak legacy Fortran/DSL models for HVDC, FACTS, or wind farms.

Fortran
Verified: 2025-10-02

Software Engineer - Scala

HolidayCheck

Munich, Germany | Bottighofen, Switzerland

๐Ÿ‡จ๐Ÿ‡ญ ๐Ÿ‡ฉ๐Ÿ‡ช

Scala Software Engineer role developing reactive microservices with Scala and tapir in a high-traffic travel platform. Functional programming, SQL/NoSQL, Kafka, and microservices experience valued.

Scala
Verified: 2025-10-02

Advanced Application Software Engineer- Flight Simulation

Honeywell Aerospace

Phoenix, AZ, USA

๐Ÿ‡บ๐Ÿ‡ธ

Develop flight simulation and FMS applications. Requires expertise in C/C++, C#, Python, or Ada.

Ada C C# C++ Python
Verified: 2025-10-02

Software Engineer

Hottgenroth Group

Cologne, Germany

๐Ÿ‡ฉ๐Ÿ‡ช

Delphi Developer role enhancing software for the chimney sweep sector. Agile team (Scrum), test-driven development, REST, SQL, optional C#. Entry-level friendly.

Delphi
Verified: 2025-10-02

Senior Software Engineer - UltraGrid

Hypervolt

London, England, UK | Palo Alto, CA, USA

๐Ÿ‡ฌ๐Ÿ‡ง ๐Ÿ‡บ๐Ÿ‡ธ

Senior Software Engineer role building an ultra-low latency, real-time engine for distributed energy assets. Requires deep Scala/Java expertise, performance engineering mastery, and systems-level thinking.

Scala
Verified: 2025-10-02

Functional Software Engineer

Imandra

Austin, TX, USA

๐Ÿ‡บ๐Ÿ‡ธ

On-site OCaml engineer for Imandraโ€™s automated reasoning tools. Work spans backend, ReasonML UIs, GCP/K8s infra, and formal verification. Bonus: Haskell, open-source, theorem proving.

OCaml
Verified: 2025-10-02

Functional Software Engineer

Imandra

London, England, UK

๐Ÿ‡ฌ๐Ÿ‡ง

OCaml-focused role building Imandraโ€™s cloud-based automated reasoning tools. Full-stack options: backend (PostgreSQL, Redis), frontend (ReasonML, webgl), infra (GCP, K8s), formal verification.

OCaml
Verified: 2025-10-02

Junior COBOL Programmer

Inetum

Bogotรก, Colombia

๐Ÿ‡จ๐Ÿ‡ด

Junior COBOL role with 6-12 months' experience in COBOL, JCL, DB2, SQL. Banking sector focus. Exposure to tools like CHANGEMAN, CONTROL-M, CICS, TSO, VSAM, and Agile methodologies required.

COBOL
Verified: 2025-10-02

Sr. Rust Cloud Software Engineer

InfinyOn

Remote

๐Ÿ 

Remote senior Rust role building real-time cloud data infrastructure with Fluvio. Involves Rust async, Kubernetes, WebAssembly, and AWS. Requires 2+ years Rust, strong Linux/networking, and distributed systems experience.

Rust
Verified: 2025-10-02

F# web developer

IntelliFactory

Budapest, Hungary

๐Ÿ‡ญ๐Ÿ‡บ

Remote F# web developer role focused on full-stack projects using ASP.NET Core and WebSharper. Requires solid grasp of sitelets, pagelets, and proxying. All experience levels welcome.

F#
Verified: 2025-10-02

Staff Software Engineer, Experimentation Platform

Min. seniority: Staff
Intuit Credit Karma

Charlotte, NC, USA | Oakland, CA, USA

๐Ÿ‡บ๐Ÿ‡ธ

Lead the data architecture and strategy for the A/B testing platform. Requires 10+ years experience, expertise in large-scale data pipeline and near real-time systems.

Scala
Verified: 2025-10-04

Senior APL Engineer

Min. seniority: Unknown
InvestCloud

London, England, UK

๐Ÿ‡ฌ๐Ÿ‡ง

You'll lead modernization efforts on a managed accounts platform by building, refactoring, and improving the Dyalog APL codebase that supports core financial workflows.

APL
Verified: 2025-10-02

APL Engineer

Min. seniority: Unknown
InvestCloud

London, England, UK

๐Ÿ‡ฌ๐Ÿ‡ง

You'll work on a managed accounts platform, focusing on the development and maintenance of Dyalog APL components and assisting with refactoring and performance tuning.

APL
Verified: 2025-10-02

Application Support Engineer

Min. seniority: Unknown
InvestCloud

Karnataka, India

๐Ÿ‡ฎ๐Ÿ‡ณ

You'll use your debugging skills to analyze, program, and support software with APL, while also working on defect fixes and tools development.

APL
Verified: 2025-10-02

Software Developer Cobol/Cics/DB2

ION Group

Assago, Italy | Rome, Italy

๐Ÿ‡ฎ๐Ÿ‡น

Cobol/CICS/DB2 developer role in banking software. Full SDLC, cloud transition projects, 3-5 yearsโ€™ experience required. Strong RDBMS, OOP, English skills essential.

COBOL Db2
Verified: 2025-10-02

Delphi Software Developer

Min. seniority: Unknown
IST Automation

Neukirchen am Walde, Austria | Linz, Austria | Eidenberg, Austria

Delphi Developer role for control and visualization software in automated handling systems. Full stack from hardware control to GUI. Salary โ‚ฌ45-70k depending on experience.

Delphi
Verified: 2025-10-02

Software Engineer

Jane Street

New York City, NY, USA

๐Ÿ‡บ๐Ÿ‡ธ

Software engineer role using OCaml and Python to build trading and research systems. Requires strong programming skills and collaborative mindset; no finance or FP experience needed.

OCaml
Verified: 2025-10-02

Programming Language Engineer

Jane Street

New York, NY, USA

๐Ÿ‡บ๐Ÿ‡ธ

Work on OCaml language design, optimization, and tooling. Focus on compiler performance, new language features, and open-source contributions. Requires experience in industrial-strength language implementation. No OCaml background needed.

OCaml
Verified: 2025-10-02

Sr Lead Software Engineer - KDB / Q

JPMorgan Chase

London, England, UK

๐Ÿ‡ฌ๐Ÿ‡ง

Senior KDB+/q lead role at JPMorgan in London overseeing real-time market data platforms. Requires 7+ years KDB experience, system design, and leadership. AWS, Terraform, and multi-language skills (Python/C++) are a plus.

Q (APL)
Verified: 2025-10-02

SDE - Functional Programming

Juspay

Bangalore, India

๐Ÿ‡ฎ๐Ÿ‡ณ

SDE (Functional Programming) using Haskell/Purescript to build high-scale payments systems. Focus on backend APIs, intelligent data-driven ops, and resilient multi-DC infrastructure.

Haskell
Verified: 2025-10-02

Rust Software Engineer

K2 Space

Torrance, CA, USA

๐Ÿ  ๐Ÿ‡บ๐Ÿ‡ธ

Rust developer role building real-time, fault-tolerant flight software for high-power spacecraft. Tackle embedded systems, state machines, and Linux-based control apps. Mission-critical work in a fast-paced, space hardware startup.

Rust
Verified: 2025-10-02

Head of Engineering - Trading Systems

Keyrock

Remote

๐Ÿ  ๐Ÿ‡ง๐Ÿ‡ช ๐Ÿ‡ฌ๐Ÿ‡ง ๐Ÿ‡ธ๐Ÿ‡ฌ

Head of Engineering role leading Rust-based trading system development for a crypto market maker. Drive high-performance, low-latency architecture across remote teams. Emphasis on scalability, team growth, and cross-functional collaboration.

Rust
Verified: 2025-10-02

(Senior) Software Developer Consulting

KPMG

Various locations, Germany

๐Ÿ‡ฉ๐Ÿ‡ช

Senior software developer role building distributed .NET systems in C#/F#. Focus on cloud (Azure), DevOps, testing, and UI/UX (Angular, ASP.NET).

C# F#
Verified: 2025-10-02

Research Scientist

Kudu Dynamics

Chantilly, VA, USA

๐Ÿ‡บ๐Ÿ‡ธ

Research scientist role developing novel static analysis tools to discover software vulnerabilities. Requires expertise in type systems or model checking, and experience with functional languages. TS clearance eligibility needed.

C++ Haskell
Verified: 2025-10-02

Rust Engineer

Min. seniority: Mid-level
LayerZero

Vancouver, BC, Canada

๐Ÿ‡จ๐Ÿ‡ฆ

Join the research team to develop high-performance, secure, and scalable systems advancing blockchain interoperability. Requires 2+ years experience in systems programming with a strong focus on Rust, and experience with AWS services.

Rust
Verified: 2025-10-04

Software Engineer - Functional Programming

Leidos

San Diego, CA, USA

๐Ÿ‡บ๐Ÿ‡ธ

Senior Software Engineer using functional programming to build high-assurance systems for DARPA and OT/IT applications. $104K-$189K.

Haskell
Verified: 2025-10-02

Elixir Developer

Lemonbeat

Dortmund, Germany

๐Ÿ‡ฉ๐Ÿ‡ช

Full-time Elixir role developing scalable cloud systems for the energy sector. Requires Elixir/Erlang, messaging (AMQP/MQTT), and cloud experience.

Elixir
Verified: 2025-10-02

Software Engineers (Embedded Ada)

Leonardo

Bristol, England, UK

๐Ÿ‡ฌ๐Ÿ‡ง

Embedded software engineer role using Ada for real-time systems in aerospace. Work cross-functionally on critical applications with VxWorks/Linux. Emphasis on modular design, DO-178C standards, and professional growth.

Ada
Verified: 2025-10-02

Software Engineer / Low level Embedded

Lockheed Martin

Grand Prairie, TX, USA

๐Ÿ‡บ๐Ÿ‡ธ

An Embedded Software Engineer for low-level development on missile software. The role requires an active Secret clearance and expertise in Ada, C, C++, and RTOS.

Ada C C++
Verified: 2025-10-02

Senior Developer Machine Learning / Natural Language Processing

Mailytica

Konstanz, Germany

๐Ÿ  ๐Ÿ‡ฉ๐Ÿ‡ช

Senior ML/NLP Developer role improving email automation pipelines using Scala, ML, and NLP. Bonus for Spark and DB experience. On-site in Konstanz, 70โ€“100% workload, small startup environment.

Scala
Verified: 2025-10-02

Senior / Staff Software Engineer (Database)

Min. seniority: Senior
Materialize

New York, NY, USA

๐Ÿ‡บ๐Ÿ‡ธ

Join the Database team to design, implement, and maintain critical parts of the Materialize real-time data platform in Rust. Requires 3+ years systems-level software experience, strong programming fundamentals, and a strong interest in learning/using Rust.

Rust
Verified: 2025-10-04

Senior Software Engineer

MBDA Systems

Stevenage, England, UK

๐Ÿ‡ฌ๐Ÿ‡ง

Senior software engineer for test systems. Develop C/C++/Ada code for mission-critical validation tools. UK citizenship required. ยฃ40K-ยฃ75K.

Ada C C++
Verified: 2025-10-02

Software Engineer Backend/Frontend (Haskell)

Meqo

Freiburg im Breisgau, Germany

๐Ÿ‡ฉ๐Ÿ‡ช

Haskell engineer role designing backend/frontend systems with STM, Conduits, and reactive data processing. Build distributed algorithms for real-time sync across devices. Emphasis on functional purity, profiling, and production delivery.

Haskell
Verified: 2025-10-02

Engineering Manager

Metabase

Remote

๐Ÿ 

Remote engineering manager role leading cross-functional teams. Requires frontend (React/TypeScript) or Clojure background, strong product sense, and 2+ years management experience. Focus on async collaboration, iteration speed, and team growth.

Clojure
Verified: 2025-10-02

Software Engineer (Backend)

Metabase

Remote

๐Ÿ 

Remote backend engineer working in Clojure/JavaScript. Build major features and tackle complex backend problems. CS background required. Bonus: JDBC, JVM tuning, ML, or big data experience.

Clojure
Verified: 2025-10-02

Kdb+ Engineer

Millennium

Hong Kong SAR

๐Ÿ‡ญ๐Ÿ‡ฐ

Senior Kdb+ engineer role in Hong Kong building real-time market data infrastructure. Requires 5+ years' experience with Kdb+/Q, large financial datasets, and Unix/Linux; C++ and Python a plus. Focus on scalability, performance, and integration.

Q (APL)
Verified: 2025-10-02

Backend Engineer - KDB/+q

Millennium

Bangalore, India

๐Ÿ‡ฎ๐Ÿ‡ณ

Backend KDB+ developer role supporting real-time P&L and risk platforms. Requires 4+ yearsโ€™ q development on Linux, data feed handling, and integration with C/C++/Python. Financial markets interest and scalable system experience preferred.

Q (APL)
Verified: 2025-10-02

Senior Backend Software Engineer

Min. seniority: Senior
MNTN

Remote, USA

๐Ÿ  ๐Ÿ‡บ๐Ÿ‡ธ

Build and optimize a high-performance distributed platform for real-time marketing, handling tens of billions of requests daily with millisecond latency. Requires 5+ yearsโ€™ experience with Rust, Java/Kotlin, Python, microservices, SQL/NoSQL (ScyllaDB/Cassandra), and cloud infrastructure, focusing on migrating and improving services in Rust.

Rust
Verified: 2025-10-04

Software Engineer, Full Stack

Monumental

Amsterdam, Netherlands

๐Ÿ‡ณ๐Ÿ‡ฑ

Full-stack engineer role building real-time Rust and TypeScript systems for autonomous construction robots. Involves control software, 3D transformations, and web-based monitoring tools. Robotics experience not required but a plus.

Rust Typescript
Verified: 2025-10-02

Senior Software Engineer

Nubank

Bogotรก, Colombia

๐Ÿ  ๐Ÿ‡จ๐Ÿ‡ด

Senior backend role using Clojure (training provided), Kafka, AWS, Kubernetes, and Datomic to build large-scale distributed microservices in a functional, event-driven architecture.

Clojure
Verified: 2025-10-02

Senior System Software Engineer - NvIPC

Nvidia

Seoul, South Korea

๐Ÿ‡ฐ๐Ÿ‡ท

A senior-level role focusing on NvIPC development for safety-critical automotive systems. Requires 5+ years of experience in real-time embedded systems, and skills in C/C++ or Ada/SPARK.

Ada C++
Verified: 2025-10-02

Senior Protocol Engineer

Min. seniority: Senior
o1Labs

Remote

๐Ÿ 

Core contributor to Mina's Rust Node implementation, the world's lightest blockchain. Focus on networking, consensus, and transaction processing. Strong potential for growth into a technical leadership role.

Rust
Verified: 2025-10-04

OCaml Developer (all levels)

OCamlPro

Paris, France

๐Ÿ‡ซ๐Ÿ‡ท

R&D engineer role focused on OCaml (and Rust) for advanced software design, functional programming, and tooling. Includes mentoring, architecture, and client-facing work. โ‚ฌ50-65K.

OCaml
Verified: 2025-10-02

Senior or Staff Software Engineer, Backend

OneSignal

Remote, USA

๐Ÿ  ๐Ÿ‡บ๐Ÿ‡ธ

Senior backend role on the Journeys team using Rust, Go, and Ruby to build scalable, multi-channel customer engagement systems. Requires 6+ yearsโ€™ experience, distributed systems expertise, and strong API and data modeling skills.

Go Ruby Rust
Verified: 2025-10-02

Staff Software Engineer, Fullstack

OneSignal

Remote, USA

๐Ÿ  ๐Ÿ‡บ๐Ÿ‡ธ

Staff full-stack role on the SMS team using Rust, TypeScript, Ruby, and React to build scalable messaging systems. Requires 8+ yearsโ€™ experience, strong API design, and distributed systems skills. Kafka and Kubernetes are a plus.

Ruby Rust
Verified: 2025-10-02

Software Engineer

opta data

Husum, Germany

๐Ÿ  ๐Ÿ‡ฉ๐Ÿ‡ช

Delphi Developer role maintaining and evolving audiology software, with C# work and backend integration. German required.

Delphi
Verified: 2025-10-02

Consultant Data Engineering

Orange

Niort, France

๐Ÿ‡ซ๐Ÿ‡ท

Consultant Data Engineer role in Niort designing and optimizing data pipelines using Scala, Spark, Kubernetes, and Big Data tools. Focus on distributed processing, CI/CD, and client consulting.

Scala
Verified: 2025-10-02

Operating System and Virtualization Engineer

Oxide Computer Company

Remote, USA

๐Ÿ  ๐Ÿ‡บ๐Ÿ‡ธ

Remote OS and virtualization engineer role working on Helios (C, illumos) and Propolis (Rust VMM). Involves hardware interfaces, kernel work, and hypervisor development. Flat salary: $207,264.

Rust
Verified: 2025-10-02

Staff Software Engineer

Min. seniority: Staff
Parallel Systems

Los Angeles, CA, USA

๐Ÿ‡บ๐Ÿ‡ธ

Lead the design and optimization of high-performance, low-latency backend systems for autonomous, battery-electric rail vehicles. Requires 8+ years systems/backend development, professional Rust experience, and expertise in architecting highly available distributed systems on Linux.

Rust
Verified: 2025-10-04

Senior Embedded Software Engineer

Min. seniority: Senior
Parallel Systems

Los Angeles, CA, USA

๐Ÿ‡บ๐Ÿ‡ธ

Design, develop, and optimize embedded systems for autonomous, battery-electric rail vehicles. Requires 5+ years professional embedded software development experience, strong proficiency in C/C++ or Rust, and expertise with bare-metal/RTOS platforms, real-time constraints, and digital communication protocols (CAN, SPI, I2C).

Rust
Verified: 2025-10-04

Lead Software Engineer โ€“ Enterprise Systems

Min. seniority: Lead
Parallel Systems

Los Angeles, CA, USA

๐Ÿ‡บ๐Ÿ‡ธ

Take technical ownership of the enterprise backend platform, leading the development of a distributed system that integrates autonomous rail vehicles with external logistics and rail traffic control systems. Requires 6+ years backend/systems experience, and experience leading the development of distributed systems in a Linux environment.

Rust
Verified: 2025-10-04

Senior Software Engineer

Min. seniority: Senior
Parallel Systems

Los Angeles, CA, USA

๐Ÿ‡บ๐Ÿ‡ธ

Design, build, and optimize high-performance, low-latency backend systems for autonomous, battery-electric rail vehicles. Requires 5+ years systems/backend development, professional Rust experience or strong willingness to use it, and proficiency with Linux environments and systems programming.

Rust
Verified: 2025-10-04

Software Engineer, Elixir

PDQ

Bucharest, Romania

๐Ÿ  ๐Ÿ‡ท๐Ÿ‡ด

Senior Elixir role building agent-based SaaS for IT management. Stack includes Elixir, TypeScript, PostgreSQL, GCP. Focus on backend features, CI/CD, and scalable systems.

Elixir
Verified: 2025-10-02

Software Engineer

Performance Software Corporation

Cardiff, Wales, UK

๐Ÿ‡ฌ๐Ÿ‡ง

Software engineer role developing embedded safety-critical systems for avionics and submarines. C/C++, RTOS, or Ada experience preferred. Work on DO-178 compliant software.

Ada C C++ Embedded
Verified: 2025-10-02

Backend Engineer (Common Lisp)

Pocket Change

Tokyo, Japan

๐Ÿ‡ฏ๐Ÿ‡ต

Full-remote backend engineer role using Common Lisp (SBCL) for Pokepayโ€™s fintech service. Requires 3+ years backend experience, AWS skills, and DB knowledge. Bonus: OSS workflow, frontend familiarity, production AWS use.

Common Lisp
Verified: 2025-10-02

Elixir Software Engineer

Prima.it

London, England, UK | Milan, Italy

๐Ÿ  ๐Ÿ‡ฌ๐Ÿ‡ง ๐Ÿ‡ฎ๐Ÿ‡น

Backend Elixir Engineer shaping scalable insurance platforms. Build reusable microservices with Elixir/Rust, event-driven architecture, and DDD.

Elixir
Verified: 2025-10-02

Lead Scala Engineer

Quantexa

London, England, UK

๐Ÿ‡ฌ๐Ÿ‡ง

Lead Scala Engineer role building distributed microservices with Scala, Cats, Pekko, and CQRS. Focus on fraud and data intelligence. Strong FP practices, DevOps exposure, and hybrid setup. GCP and mentoring experience a plus.

Scala
Verified: 2025-10-02

Senior Backend Engineer

Remote

Remote

๐Ÿ 

Fully remote senior backend role building Elixir/Phoenix APIs for a global HR platform. Requires Elixir, Postgres, CI/CD. Nice-to-haves: Docker, Kubernetes, AWS. Salary: $51K-$116K.

Elixir
Verified: 2025-10-02

Real Time Software Developer

Min. seniority: Lead
Rheinmetall

Zurich

๐Ÿ‡จ๐Ÿ‡ญ

Provide technical leadership for a team (3-10 developers) focused on the full software lifecycle (design, implementation, test) for fire control and effector command systems. Requires multi-year experience in Real-Time Embedded development with Ada, software architecture, and experience with distributed systems.

Ada
Verified: 2025-10-05

Simulation Engineer - Electrical and Automation Systems

Min. seniority: Senior
Rheinmetall

Bremen, Germany

๐Ÿ‡ฉ๐Ÿ‡ช

Develop physical & mathematical models and automation systems for ship and energy system simulators. Requires expertise in C++, FORTRAN, and C# to handle the full stack, from core physics modeling to HMI integration.

C# C++ Fortran
Verified: 2025-10-05

Ada/C++ Software Engineer II

Min. seniority: Mid-level
RTX

Woburn, MA, USA

๐Ÿ‡บ๐Ÿ‡ธ

Develop and deliver real-time application software and tools for Radar and Command and Control programs within the Missile Defense Sensors Department. Requires 2+ years experience, development using Ada, C, C++, experience with Agile, and ability to obtain a Secret U.S. Security Clearance.

Ada C++
Verified: 2025-10-05

Ada Developer - Sr. Software Engineer

RTX

Tewksbury, MA, USA

๐Ÿ‡บ๐Ÿ‡ธ

Senior Software Engineer to develop complex systems using Ada. Requires 5+ years of experience, an active Secret clearance, and Unix/Linux expertise.

Ada
Verified: 2025-10-02

Software Engineer II - Military Avionics FMS (Onsite)

Min. seniority: Mid-level
RTX

Cedar Rapids, IA, USA

๐Ÿ‡บ๐Ÿ‡ธ

Design and development of Military Avionics Flight Management Solutions (FMS) software within an AGILE environment. Requires 2+ years experience, foundation in Ada or C/C++, and U.S. Citizenship.

Ada C C++
Verified: 2025-10-05

Ada Developer - Principal Software Engineer

RTX

Tewksbury, MA, USA

๐Ÿ‡บ๐Ÿ‡ธ

Principal Software Engineer to develop complex systems using Ada. Requires 8+ years of experience, an active Secret clearance, and Unix/Linux expertise.

Ada
Verified: 2025-10-02

Senior Software Engineer - Military Avionics FMS

Min. seniority: Senior
RTX

Cedar Rapids, IA, USA

๐Ÿ‡บ๐Ÿ‡ธ

Design and develop Military Avionics Flight Management Solutions (FMS) software within an AGILE environment. Requires 5+ years experience, foundation in Ada or C/C++, and U.S. Citizenship.

Ada C++
Verified: 2025-10-05

Principal Software Engineer MDS SW Department

Min. seniority: Principal
RTX

Woburn, MA, USA

๐Ÿ‡บ๐Ÿ‡ธ

Design, develop, and test software for radar programs and the Missile Defense Sensors (MDS) SW Department. Requires 8+ years experience, development with C, C++, or Ada, experience with agile/DevSecOps, and an Active Secret U.S. Security Clearance.

Ada C++
Verified: 2025-10-05

Ada Software Engineer II

RTX

Tewksbury, MA, USA

๐Ÿ‡บ๐Ÿ‡ธ

Tackle mission-critical challenges. Seeking an Ada Software Engineer to develop complex systems. Requires an active Secret clearance and experience with Unix/Linux.

Ada
Verified: 2025-10-02

Software Engineer

Sack EDV-Systeme GmbH

Schwรคbisch Hall, Germany

๐Ÿ‡ฉ๐Ÿ‡ช

Delphi Developer role enhancing MES software and building third-party integrations. Strong Delphi and SQL skills required. Includes GUI work and customer-specific projects.

Delphi
Verified: 2025-10-02

Software Engineer

Scarlet

Remote, Europe

๐Ÿ 

Remote Clojure role building tools for safe, rapid AI/healthcare software certification. Full-time, equity offered, ยฃ60K-ยฃ110K. Bonus: full-stack or health tech experience.

Clojure
Verified: 2025-10-02

Sr. Software Engineer, Delivery Platform

Serve Robotics

Remote, USA | Remote, British Columbia, Canada | Remote, Calgary, Canada | Remote, Toronto, Canada

๐Ÿ  ๐Ÿ‡จ๐Ÿ‡ฆ ๐Ÿ‡บ๐Ÿ‡ธ

A remote Senior Software Engineer role building scalable, robust systems for a fleet of delivery robots using Elixir. The position requires a focus on performance, reliability, and architecting distributed systems.

Elixir
Verified: 2025-10-02

Full-Stack Software Engineer, Internal Services

Serve Robotics

Remote, USA | Remote, Calgary, Canada | Remote, Toronto, Canada

๐Ÿ  ๐Ÿ‡จ๐Ÿ‡ฆ ๐Ÿ‡บ๐Ÿ‡ธ

Build internal tools and services for a fleet of delivery robots using Python, Elixir, and Typescript. The position requires a focus on improving developer workflows, automation, and continuous delivery with a minimum of 5 years of experience.

Elixir Python Typescript
Verified: 2025-10-02

Developer - Operations and Portfolio Analytics

SimCorp

Warsaw, Poland

๐Ÿ‡ต๐Ÿ‡ฑ

A C# and APL developer role focused on debugging, coding fixes, and investigating system performance issues.

APL C#
Verified: 2025-10-02

Software Engineer for Investment Operations

SimCorp

Warsaw, Poland

๐Ÿ‡ต๐Ÿ‡ฑ

A C# and APL developer role focused on full-stack development and testing. You will work on new features and support enterprise products within a scrum team.

APL C#
Verified: 2025-10-02

Software Engineer

sonnen

Cairo, Egypt

๐Ÿ  ๐Ÿ‡ช๐Ÿ‡ฌ

Entry-level Elixir role for recent CS graduates. Requires functional programming or Ruby experience. Join a global IoT platform team focused on smart energy (EVs, heat pumps). Includes Elixir training and growth path.

Elixir
Verified: 2025-10-02

Senior Software Engineer (SatOS-Rust Team)

Min. seniority: Senior
Spire

Glasgow, Scotland, UK | Harwell, England, UK | Munich, Germany | Washington, D.C., USA | Boulder, CO, USA | Cambridge, ON, Canada | Luxembourg

๐Ÿ‡จ๐Ÿ‡ฆ ๐Ÿ‡ฉ๐Ÿ‡ช ๐Ÿ‡ฌ๐Ÿ‡ง ๐Ÿ‡ฑ๐Ÿ‡บ ๐Ÿ‡บ๐Ÿ‡ธ

Develop the high-level operating system for a large multi-purpose nanosatellite constellation. Requires 7+ years experience, proven experience in production-grade software using Rust, proficiency in Python, and knowledge of Linux-based development.

Rust
Verified: 2025-10-04

Senior Spacecraft Embedded Software Engineer (Rust)

Min. seniority: Senior
Spire

Glasgow, Scotland, UK | Boulder, CO, USA | Cambridge, ON, Canada

๐Ÿ‡จ๐Ÿ‡ฆ ๐Ÿ‡ฌ๐Ÿ‡ง ๐Ÿ‡บ๐Ÿ‡ธ

Develop daemons and fault-tolerant systems for the nanosatellite platform and enhance space-based data collection. Requires proven experience in embedded systems development using Rust, proficiency in integrating C code with Rust, and understanding of electronics and low-level protocols.

C Rust
Verified: 2025-10-04

Software Lead Engineer, Industrial IT

Stadler + Schaaf

Mannheim, Germany

๐Ÿ‡ฉ๐Ÿ‡ช

Lead Delphi Engineer role developing and evolving MES/PLS systems for industrial automation. Involves system porting, team leadership, and international travel. Delphi/C# experience required.

Delphi
Verified: 2025-10-02

Quantitative Developer (Haskell)

Standard Chartered

Warsaw, Poland

๐Ÿ‡ต๐Ÿ‡ฑ

Quantitative Developer role using Haskell (and in-house variant Mu) to build real-time pricing, risk, and analytics tools. Involves architecture, devops, and close collaboration with traders.

Haskell
Verified: 2025-10-02

Back end Programmer - Junior

Strong Compute

Sydney, NSW, Australia

๐Ÿ‡ฆ๐Ÿ‡บ

Junior Backend Developer working on Elixir app, with training provided. Rust/Python background welcome. Strong CS/math fundamentals required; AI/DevOps exposure a plus. Hybrid role with fast iteration, hackathons, and global collaboration.

Elixir Python Rust
Verified: 2025-10-02

Elixir Engineer

Strong Compute

Sydney, Australia | San Francisco, CA, USA

๐Ÿ‡ฆ๐Ÿ‡บ ๐Ÿ‡บ๐Ÿ‡ธ

Elixir engineer role building fault-tolerant, distributed control systems for AI infrastructure. OTP, event-driven architecture, PostgreSQL, and multi-cloud integration.

Elixir
Verified: 2025-10-02

Rust Backend Engineer

Svix

Remote, US | Remote, EU

๐Ÿ 

Rust backend engineer role building high-performance message delivery systems. Production Rust experience required. Focus on developer experience, scale, and stability.

Rust
Verified: 2025-10-02

Senior Software Engineer

Symbolica AI

San Francisco, CA, USA

๐Ÿ‡บ๐Ÿ‡ธ

Senior Rust Engineer role turning ML research prototypes into production systems. Requires 5+ years' experience, Rust/Python skills, and full-stack execution ownership. On-site, high-impact work bridging AI research and product.

Python Rust
Verified: 2025-10-02

Zig/Rust Senior Software Engineer

Syndica

Remote, USA

๐Ÿ  ๐Ÿ‡บ๐Ÿ‡ธ

Remote senior role building a high-performance Solana validator client in Zig, based on Rust Agave code. Requires 3+ years Rust experience; Zig/C/C++ a plus. Involves low-level performance optimization and open-source collaboration.

Rust Zig
Verified: 2025-10-02

Rust Software Engineer

Syndica

Dubai, UAE

๐Ÿ‡ฆ๐Ÿ‡ช

Rust engineer role building high-performance Web3 backend services for Solana RPC infrastructure. Requires 3+ years Rust experience. Bonus: Go, AWS/GCP, Kubernetes, PostgreSQL.

Rust
Verified: 2025-10-02

Ada Engineer

Systerel

Paris, France

๐Ÿ‡ซ๐Ÿ‡ท

Senior Ada engineer role developing embedded real-time systems for critical sectors like rail and energy. Requires expertise in Ada 95/2005/2012, Ravenscar or ZFP profiles, and familiarity with safety standards.

Ada
Verified: 2025-10-02

Real-Time Development Engineer

Systerel

Aix-en-Provence, France | Paris, France

๐Ÿ‡ซ๐Ÿ‡ท

Real-time software engineer (Ada/C/C++) for critical embedded systems in rail, energy, or industry. Full-cycle dev from spec to validation.

Ada
Verified: 2025-10-02

Software Engineer, Networking

Min. seniority: Senior
Tailscale

Remote, USA

๐Ÿ  ๐Ÿ‡บ๐Ÿ‡ธ

Develop and optimize the Tailscale product with an emphasis on networking features for IoT/embedded systems. Requires Expert-level proficiency in Rust, a deep understanding of networking concepts, and experience with distributed systems.

Rust
Verified: 2025-10-04

Senior Backend Developer

TalkJS

Remote, Europe | Remote, Africa

๐Ÿ 

Senior backend role focused on scaling a developer-facing platform. Requires Elixir experience, strong API design, and fluency in multiple languages. Bonus for frontend skills.

Elixir
Verified: 2025-10-02

Data Scientist

Terradot

Sรฃo Paulo, Brazil | San Francisco, CA, USA

๐Ÿ‡ง๐Ÿ‡ท ๐Ÿ‡บ๐Ÿ‡ธ

Data scientist role applying advanced statistical and ML models to spatial environmental data. Requires strong programming skills, PhD-level expertise, and experience with large-scale carbon, climate, or remote sensing datasets.

Julia Python
Verified: 2025-10-02

Contract OCaml Engineer, Remote

Min. seniority: Senior
Terrateam

Remote, Europe

๐Ÿ 

3-month contract (potential extension) to extend open-source GitOps Terraform automation tool. Focus on OCaml systems programming, concurrency, and backend development

OCaml
Verified: 2025-10-02

Senior Backend Developer

Testfabrik

Saarbrรผcken, Germany

๐Ÿ‡ฉ๐Ÿ‡ช

Senior Backend Developer role building distributed microservices in Scala with Akka, RabbitMQ, PostgreSQL, and Elasticsearch. Focus on DDD, CQRS, Event Sourcing. Contribute to scalable test automation platform.

Scala
Verified: 2025-10-02

ADA Software Development Engineer

Thales Group

Rungis, France

๐Ÿ‡ซ๐Ÿ‡ท

On-site Ada developer for air and missile defense systems. Agile team, object-oriented development, mission-critical software. Aerospace/security focus. Must qualify for national defense clearance. Ada experience preferred.

Ada
Verified: 2025-10-02

Software Developer

TimberTec

Eutin, Germany

๐Ÿ‡ฉ๐Ÿ‡ช

Delphi Developer role enhancing a custom ERP system for the wood industry. Includes project work, SQL Server, occasional client visits.

Delphi
Verified: 2025-10-02

Rust Systems Engineer - Inference

Min. seniority: Senior
Together AI

San Francisco, CA, USA

๐Ÿ‡บ๐Ÿ‡ธ

Optimize and enhance the performance of AI inference systems. Requires deep proficiency in Rust and its ecosystem (axum, tokio, jemalloc), strong understanding of concurrent programming, and experience optimizing for low-latency, high-throughput systems.

Rust
Verified: 2025-10-04

Experienced Elixir developer

Trifork

Aarhus, Denmark

๐Ÿ‡ฉ๐Ÿ‡ฐ

Experienced Elixir developer to build a new product in an agile team. Strong BEAM expertise, broad software knowledge, and input on architecture and security expected. Collaborative environment with mentorship, tech talks, and regular hack days.

Elixir
Verified: 2025-10-02

Elixir Software Engineer

True Anomaly

Denver, CO, USA | Colorado Sprints, CO, USA | Long Beach, CA, USA | Washington, D.C., USA

๐Ÿ‡บ๐Ÿ‡ธ

Senior Elixir role building distributed ground control software for satellites. Functional programming background required. $155K-225K. US citizenship required (ITAR).

Elixir
Verified: 2025-10-02

Senior Software Engineer - Backend

Min. seniority: Senior
Tubi

San Francisco, CA, USA | Toronto, ON, Canada

๐Ÿ‡จ๐Ÿ‡ฆ ๐Ÿ‡บ๐Ÿ‡ธ

Implement high-performance, disaster-resilient streaming services in Elixir. Focus on distributed systems and AI-Driven Development. Rust is a bonus.

Elixir Rust
Verified: 2025-10-04

Clojure Developer

United Signals

Frankfurt, Germany | Potsdam, Germany

๐Ÿ  ๐Ÿ‡ฉ๐Ÿ‡ช

Senior backend role using Ruby (Rails) and Clojure in a greenfield project focused on dynamic forms and contracts. Functional programming experience valued. Involves full SDLC, cloud ops, and optional frontend work.

Clojure Ruby
Verified: 2025-10-02

Product Engineer (Backend)

V7

London, England, UK

๐Ÿ  ๐Ÿ‡ฌ๐Ÿ‡ง

Backend product engineer role building APIs and scaling AI infrastructure for multimodal GenAI workflows. Uses functional programming, AWS, Terraform, Docker. ยฃ90K-ยฃ160K.

Elixir
Verified: 2025-10-02

Software Engineer

Vacation Labs

Porvorim, Goa, India

๐Ÿ  ๐Ÿ‡ฎ๐Ÿ‡ณ

Join a travel tech team building a next-gen Haskell platform alongside a mature Rails/AngularJS stack. Requires FP experience, web development background, and willingness to work full stack.

Haskell
Verified: 2025-10-02

Fullstack Developer - Brand Payment

Veepee

Warsaw, Poland

๐Ÿ‡ต๐Ÿ‡ฑ

A role for a developer with 5+ years of experience to develop and redesign a B2B financial platform. The tech stack includes F#, C#, .NET, Angular, and Kafka.

C# F#
Verified: 2025-10-02

Software Engineer, Payments

whatnot

Krakรฒw, Poland

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Software Engineer building scalable systems for billions in transactions. Work across Python, Elixir, JavaScript; ownership from design to production. Core role in payment flows, refunds, and payouts within a high-growth marketplace.

Elixir Javascript Python
Verified: 2025-10-02

Software Engineer

WIKA Group

Zwingenberg, Germany

๐Ÿ‡ฉ๐Ÿ‡ช

Delphi Software Engineer role developing and maintaining PC-based production tools for level measurement devices. Involves OOP design, documentation, and external coordination. Strong German and English required.

Delphi
Verified: 2025-10-02

Lead Clojure Developer

Yuppiechef

Cape Town, South Africa

๐Ÿ  ๐Ÿ‡ฟ๐Ÿ‡ฆ

Lead Clojure developer role owning architecture for a unified omnichannel retail platform. Functional programming, AWS, Docker, Kafka, and CI/CD. Hands-on leadership in performance, observability, and mentoring within a remote-friendly team.

Clojure
Verified: 2025-10-02

Senior Software Engineer

Zastrpay

Vienna, Austria

๐Ÿ‡ฆ๐Ÿ‡น

Senior Software Engineer role using F#, Azure, NoSQL/SQL in a fully developer-owned environment. Tackle full-stack, DevOps, and infra automation. โ‚ฌ90K salary.

F#
Verified: 2025-10-02

Rust Engineer

Zed Industries

Remote

๐Ÿ 

Remote Rust engineer role building Zedโ€™s high-performance code editor or AI features. Involves systems-level Rust, custom UI (GPUI), and cross-platform desktop development. Strong product sense, pair programming, and full-stack flexibility required.

Rust
Verified: 2025-10-02

Scala Engineer

Ziverge

Remote

๐Ÿ 

Senior Scala engineer role focused on building distributed, event-driven backend systems with ZIO, Cats, Tapir, and http4s. Heavy functional programming, cloud debugging, and remote-first team. Bonus for Docker, gRPC, or cryptography experience.

Scala
Verified: 2025-10-02

Lead Software Engineer Distributed Systems

Ziverge

Remote

๐Ÿ 

Lead Scala engineer role guiding distributed systems development with ZIO in a cloud-native, microservices environment. Own architecture decisions, mentor engineers, and deliver scalable, high-performance solutions.

Scala
Verified: 2025-10-02

Senior Software Engineer

Ziverge

Remote

๐Ÿ 

Senior Scala engineer role building low-latency, high-concurrency services with ZIO in a multi-cloud setup. Lead architecture decisions, mentor developers, and optimize microservices, PostgreSQL, and Kafka.

Scala
Verified: 2025-10-02

Sr. Staff Software Engineer - Enterprise Browser (Desktop)

Min. seniority: Staff
Zscaler

Valencia, Spain

๐Ÿ‡ช๐Ÿ‡ธ

Join the Enterprise Browser Product Team to design and maintain agent-like desktop applications to support secure cloud communication. Requires 7+ years development experience, proficiency in Rust, and a strong knowledge of HTTP/REST APIs.

Rust
Verified: 2025-10-04

Principal Software Development Engineer

Min. seniority: Principal
Zscaler

Hyderabad, India | Bangalore, India | San Jose, CA, USA

๐Ÿ‡ฎ๐Ÿ‡ณ ๐Ÿ‡บ๐Ÿ‡ธ

Lead the design and development of a low-latency, high-throughput data forwarding plane for the world's largest security cloud. Requires 10+ years experience, deep expertise in Rust, and building resilient, horizontally scalable distributed systems.

Rust
Verified: 2025-10-04

Sr. Staff Software Development Engineer

Min. seniority: Staff
Zscaler

Hyderabad, India

๐Ÿ‡ฎ๐Ÿ‡ณ

Senior role to design and build a low-latency, high-throughput data forwarding plane for the world's largest security cloud. Requires 7+ years experience, extensive Rust coding expertise, and proven ability to build resilient, horizontally scalable distributed systems on Linux.

Rust
Verified: 2025-10-04

COBOL Software Developer

Zucchetti

Senigallia, Italy

๐Ÿ‡ฎ๐Ÿ‡น

COBOL developer role focused on accounting and tax software. Requires 5+ years' experience, strong COBOL and PostgreSQL skills. Hybrid work, Italian fluency, and domain knowledge in payroll/accounting essential.

COBOL
Verified: 2025-10-02