Hand-curated positions in niche programming languages
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Cambridge, MA, USA
Senior Data Scientist building statistical models and data pipelines for education research, developing R packages and advanced analyses.
Boston, MA, USA
Programmer building data processing pipelines and analytical tools for environmental health research using R, Python, and SQL. Develop R functions, manage databases, and create modular workflows on HPC clusters.
Stuttgart, Germany
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.
Munich, Germany | Bottighofen, Switzerland
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.
Boulder, CO, USA | Remote, AK-AZ-CO-DC-ID-MT-NM-NV-UT-WY, USA
Senior Software Engineer building legal automation software with focus on functional programming.
Dublin, Ireland
Senior Research Engineer leading Rust language development for Huawei systems. Requires PhD with world-leading Rust expertise and native-level Mandarin. Focus on next-gen features, C/C++ migration, and accelerators.
Dresden, Germany
Rust Ecosystem Engineer integrating Rust into OpenHarmony OS, including cross-platform crate support, UI frameworks, and web rendering engine development. Requires strong Rust and C knowledge with Rust-FFI experience.
London, England, UK | Palo Alto, CA, USA
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.
San Jose, CA, USA
Senior Spark/Scala developer building scalable batch and real-time data pipelines using Spark, Scala, Kafka, Hive, HBase, and cloud platforms. Focus on performance tuning, distributed processing, CI/CD, and mentoring within large-scale big-data systems.
Dublin, Ireland
Lead Rust developer driving architecture and performance rewrites for a high-throughput MCP gateway using Tokio, hyper, Axum/Actix, zero-copy streaming, Rust-Python interop, cross-platform systems work, and benchmarking, while setting Rust standards and mentoring engineers.
Quezon City, Philippines
COBOL developer working on z/OS applications using COBOL, JCL, DB2, VSAM, and CICS, handling design, development, tuning, and incident support, with Japanese bilingual capability and exposure to mainframe workflows and change management.
Dublin, Ireland
Senior Rust developer rewriting performance-critical gateway components using async Rust, delivering zero-copy streaming, JSON-RPC optimization, cross-platform binaries, Rust-Python interop, benchmarking, and high-throughput microservice infrastructure.
Austin, TX, USA
On-site OCaml engineer for Imandra’s automated reasoning tools. Work spans backend, ReasonML UIs, GCP/K8s infra, and formal verification. Bonus: Haskell, open-source, theorem proving.
London, England, UK
OCaml-focused role building Imandra’s cloud-based automated reasoning tools. Full-stack options: backend (PostgreSQL, Redis), frontend (ReasonML, webgl), infra (GCP, K8s), formal verification.
Saint-Ouen, France
Mainframe developer working with COBOL, JCL, and DB2 on build, maintenance, testing, and production support in an Agile squad. DevOps exposure and data querying valued; banking or finance knowledge is a plus.
Bogotá, Colombia
Staff COBOL developer for banking systems, working on mainframe build/run tasks. Stack includes COBOL, JCL, DB2-SQL, CICS, CHANGEMAN, CONTROL-M, VSAM, TSO, IDZ.
Remote
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.
San Francisco, CA, USA
Founding backend engineer building a real-time database platform. Work on Clojure/JVM services handling massive websocket traffic, permissions DSLs, sync engine extensions, and Postgres integration. High agency role improving infrastructure, observability, and scalability.
Stockholm, Sweden
Fullstack engineer using Elm, TS, F#, ASP.NET Core, PostgreSQL, event sourcing, RabbitMQ, AWS; build functional fullstack features, domain models, and cloud integrations in a cross-functional team improving an insurance claims platform with AI-assisted workflows.
Budapest, Hungary
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.
Melbourne, Australia
Full Stack Engineer building an investor relations platform with Elixir, Next.js, and TypeScript, focusing on full-stack feature development and scalable systems for shareholder engagement.
Assago, Italy | Rome, Italy
Cobol/CICS/DB2 developer role in banking software. Full SDLC, cloud transition projects, 3-5 years’ experience required. Strong RDBMS, OOP, English skills essential.
New York City, NY, USA
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.
New York, NY, USA
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.
Jersey City, NJ, USA
Software Engineer III building secure, scalable cloud systems on AWS. Work with Scala, Python and big-data platforms, delivering distributed services, automation and CI/CD within an agile enterprise engineering team.
São Paulo, Brazil
Build and scale mission-critical Pix payment flows and high-availability fintech infrastructure using Haskell and functional programming at a $1 trillion TPV scale.
Los Angeles, CA, USA
Architect and develop real-time, fault-tolerant flight software in Rust to control the propulsion, power, and guidance systems of high-power, heavy-lift satellite platforms.
Barcelona, Spain
Senior Elixir Software Engineer maintaining and extending a fintech platform using Elixir/Phoenix alongside Ruby on Rails. Focus on feature delivery, testing, CI/CD, code reviews and cross-team support.
Remote
Design and scale a low-latency, high-frequency options trading system using Rust to manage exchange connectivity and algorithmic execution for a global digital asset market maker.
Remote
Build and optimize high-performance, full-stack trading interfaces and backend APIs using React and Rust to deliver data-intensive financial products and analytics dashboards.