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Senior Software Engineer, AI Runtime

Apollo GraphQL
Senior+
๐Ÿ  ๐Ÿ‡บ๐Ÿ‡ธ

Remote, USA

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 Jan 10, 2026 View listing

Staff Software Engineer, AI Runtime

Apollo GraphQL
Staff+
๐Ÿ  ๐Ÿ‡บ๐Ÿ‡ธ

Remote, USA

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 Jan 10, 2026 View listing

Manager, Software Engineering, Tools

Apple
Manager+
๐Ÿ‡บ๐Ÿ‡ธ

Cupertino, CA, USA

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 Jan 10, 2026 View listing

Backend Engineer

Appunite
๐Ÿ‡ต๐Ÿ‡ฑ

Poznaล„, Poland

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

Elixir
Verified Jan 10, 2026 View listing

Senior Full Stack Engineer

August Health
Senior+
๐Ÿ  ๐Ÿ‡บ๐Ÿ‡ธ

Remote, USA

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 Jan 10, 2026 View listing

Software Developer

B+S Banksysteme AG
๐Ÿ‡ฆ๐Ÿ‡น

Salzburg, Austria

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

COBOLJava
Verified Jan 10, 2026 View listing

Haskell Developer

Bellroy
๐Ÿ  ๐Ÿ‡ฆ๐Ÿ‡บ

Collingwood, Australia

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 Jan 10, 2026 View listing

Cobol Developer

BNP Paribas
Mid-level+
๐Ÿ‡ท๐Ÿ‡ด

Bucarest, Romania

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 Jan 10, 2026 View listing

Scala Engineer - Growth

Caesars Entertainment
Mid-level+
๐Ÿ‡บ๐Ÿ‡ธ

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

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 Jan 10, 2026 View listing

Tech Lead (Backend) - Growth

Caesars Entertainment
Lead+
๐Ÿ‡บ๐Ÿ‡ธ

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

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 Jan 10, 2026 View listing

Principal Systems Engineer, IPC

Cloudflare
Principal+
๐Ÿ‡ฌ๐Ÿ‡ง ๐Ÿ‡ต๐Ÿ‡น

London, England, UK | Lisbon, Portugal

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 Jan 11, 2026 View listing

Senior Software Engineer - WARP Edge Service

Cloudflare
Senior+
๐Ÿ‡ฌ๐Ÿ‡ง ๐Ÿ‡ต๐Ÿ‡น ๐Ÿ‡บ๐Ÿ‡ธ

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

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 Jan 9, 2026 View listing

Senior Raincode Architect

Cognizant
Senior+
๐Ÿ‡ฎ๐Ÿ‡ณ

Kolkata

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 Jan 9, 2026 View listing

Senior Software Engineer

Common Prefix
Senior+
๐Ÿ 

Remote

Senior Software Engineer building blockchain protocols and infrastructure, working primarily in Rust. Requires 5+ years software engineering experience with large-scale systems and network programming.

Rust
Verified Jan 9, 2026 View listing

Senior Software Engineer (L4)

Converge
๐Ÿ  ๐Ÿ‡ฌ๐Ÿ‡ง

London, England, UK

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.

Haskell
Verified Jan 10, 2026 View listing

Cobol Developer

Crรฉdit Mutuel
Mid-level+
๐Ÿ‡ซ๐Ÿ‡ท

Courbevoie, France

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

COBOL
Verified Jan 9, 2026 View listing

Cobol Developer

Crรฉdit Mutuel
Mid-level+
๐Ÿ‡ซ๐Ÿ‡ท

Schiltigheim, France

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 Jan 9, 2026 View listing

Senior Cobol Developer

Crรฉdit Mutuel
Senior+
๐Ÿ‡ซ๐Ÿ‡ท

Nantes, France

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 Jan 9, 2026 View listing

Full Stack Engineer

Crรฉdit Mutuel
Junior+
๐Ÿ‡ซ๐Ÿ‡ท

Strasbourg

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 Jan 10, 2026 View listing

Senior Cobol Developer

Crรฉdit Mutuel
Senior+
๐Ÿ‡ซ๐Ÿ‡ท

Verlinghem, France

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 Jan 9, 2026 View listing

Cobol Developer

Crรฉdit Mutuel
Senior+
๐Ÿ‡ซ๐Ÿ‡ท

Cergy, France | Strasbourg, France

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 Jan 9, 2026 View listing

Principal Machine Learning Engineer

Daedalean
๐Ÿ‡จ๐Ÿ‡ญ

Zรผrich, Switzerland

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 Jan 10, 2026 View listing

Functional Programming Developer

DataRisk
๐Ÿ‡ง๐Ÿ‡ท

Florianรณpolis, Brazil

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 Jan 9, 2026 View listing

Senior Engineer, AVP

Deutsche Bank
Senior+
๐Ÿ‡ฎ๐Ÿ‡ณ

Pune, India

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.

JavaPythonScala
Verified Jan 9, 2026 View listing