Hand-curated positions in niche programming languages
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Tokyo, Japan
Full-remote backend engineer role using Common Lisp (SBCL) for Pokepayโs fintech service. Requires 3+ years backend experience, AWS skills, and DB knowledge. Bonus: OSS workflow, frontend familiarity, production AWS use.
London, England, UK | Milan, Italy
Backend Elixir Engineer shaping scalable insurance platforms. Build reusable microservices with Elixir/Rust, event-driven architecture, and DDD.
Enschede, Netherlands
Formal Verification Engineer extending the Clash hardware description language and Haskell for correct-by-design hardware and software. Connecting Haskell with verification tools, proof assistants like Agda or Coq, model checking, and SMT for formal specification and verification of digital designs.
Marbella, Spain
Common Lisp Developer building generative AI and big data analytics for finance. Developing text classification, NLP, and data extraction systems in Common Lisp, integrating with distributed infrastructure, cloud services (AWS), and databases for scalable financial analytics platforms.
Krakow, Poland
Senior Scala Backend Developer building scalable game services with Scala 3, Cats, http4s, Kafka, and Kubernetes. Work on end-to-end architecture, APIs, and infrastructure.
Krakow, Poland
Scala Dev Team Lead driving backend architecture for a large-scale, location-based mobile game. Hands-on role with Scala 3, Cats, http4s, Kafka, Kubernetes, and NoSQL databases.
Remote
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.
Zurich
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.
Bremen, Germany
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.
Remote, Europe
Remote Clojure role building tools for safe, rapid AI/healthcare software certification.
Paris, France | Remote, EU
Senior engineer role building an open-source headless browser in Zig/C++. Work on V8 bindings, Web API and DevTools Protocol implementations, focusing on performance and stability.
Remote, USA | Remote, British Columbia, Canada | Remote, Calgary, Canada | Remote, Toronto, Canada
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.
Cairo, Egypt
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.
Glasgow, Scotland, UK | Harwell, England, UK | Munich, Germany | Washington, D.C., USA | Boulder, CO, USA | Cambridge, ON, Canada | Luxembourg
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.
Remote, US | Remote, EU
Rust backend engineer role building high-performance message delivery systems. Production Rust experience required. Focus on developer experience, scale, and stability.
San Francisco, CA, USA
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.
Remote, USA
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.
Paris, France
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.
Aix-en-Provence, France | Paris, France
Real-time software engineer (Ada/C/C++) for critical embedded systems in rail, energy, or industry. Full-cycle dev from spec to validation.
Remote, Europe | Remote, Africa
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.
Remote
Senior compiler engineer role enhancing the OCaml compiler, focusing on parsing, type systems, multicore features, performance work, and WASM/JavaScript targets. Requires strong OCaml or ML experience and systems-level compiler expertise in a fully remote environment.
Remote, EU
Senior OCaml Engineer building core infrastructure automation and orchestration tools. Design architecture, implement key features, and contribute to open-source projects.
Saarbrรผcken, Germany
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.
Curitiba, Brazil
Mid-level Elixir Engineer developing internet banking, checkout and payment integrations. Work with Phoenix/LiveView, Postgres, Redis and event-based systems, contributing clean code, tests, and CI/CD.
Berlin, Germany
Senior Software Engineer building stochastic optimization and simulation systems using Scala and Nix. Architect core platform, data pipelines, and infrastructure with functional programming approach. Requires polyglot programming experience with appreciation for functional languages.
Frankfurt, Germany | Potsdam, Germany
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.
London, England, UK
Backend product engineer role building APIs and scaling AI infrastructure for multimodal GenAI workflows. Uses functional programming, AWS, Terraform, Docker.
Warsaw, Poland
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.
Cape Town, South Africa
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.
Vienna, Austria
Senior Software Engineer role using F#, Azure, NoSQL/SQL in a fully developer-owned environment. Tackle full-stack, DevOps, and infra automation.