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Hand-curated positions in niche programming languages

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Lead/Principal Software Engineer - OTC Product Area

SimCorp
Lead+
๐Ÿ‡ฉ๐Ÿ‡ฐ ๐Ÿ‡ต๐Ÿ‡ฑ

Copenhagen, Denmark | Warsaw, Poland

Lead/Principal Software Engineer developing core financial instrument functionality and business processes. OCaml, Scala, or Haskell with domain-specific languages, focusing on complex architecture, automated testing, and CI/CD.

HaskellOCamlScala
Verified Apr 9, 2026 View listing

Software Engineer

sonnen
๐Ÿ  ๐Ÿ‡ช๐Ÿ‡ฌ

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.

Elixir
Verified Mar 30, 2026 View listing

Senior / Lead Elixir Engineer

SuperAPI
๐Ÿ  ๐Ÿ‡ฆ๐Ÿ‡บ

Melbourne, Australia

Senior/Lead Elixir engineer working across SuperAPI's embeddable superannuation compliance platform for payroll and HR systems, built on Elixir, Phoenix, LiveView, and Postgres on AWS.

Elixir
Verified Mar 30, 2026 View listing

Rust Backend Engineer

Svix
Unknown+
๐Ÿ 

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.

Rust
Verified Mar 30, 2026 View listing

Senior Software Engineer

Symbolica AI
๐Ÿ‡บ๐Ÿ‡ธ

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.

PythonRust
Verified Mar 30, 2026 View listing

Zig/Rust Senior Software Engineer

Syndica
๐Ÿ  ๐Ÿ‡บ๐Ÿ‡ธ

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.

RustZig
Verified Mar 30, 2026 View listing

Ada Engineer

Systerel
๐Ÿ‡ซ๐Ÿ‡ท

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.

Ada
Verified Mar 30, 2026 View listing

Real-Time Development Engineer

Systerel
๐Ÿ‡ซ๐Ÿ‡ท

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.

Ada
Verified Mar 30, 2026 View listing

Senior Backend Developer

TalkJS
๐Ÿ 

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.

Elixir
Verified Mar 30, 2026 View listing

Senior OCaml Engineer

Terrateam
Senior+
๐Ÿ 

Remote, EU

Senior OCaml Engineer building core infrastructure automation and orchestration tools. Design architecture, implement key features, and contribute to open-source projects.

OCaml
Verified Mar 30, 2026 View listing

Senior Backend Developer

Testfabrik
๐Ÿ‡ฉ๐Ÿ‡ช

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.

Scala
Verified Mar 30, 2026 View listing

Senior Software Engineer

tulanฤ
Senior+
๐Ÿ  ๐Ÿ‡ฉ๐Ÿ‡ช

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.

Scala
Verified Mar 30, 2026 View listing

Clojure Developer

United Signals
๐Ÿ  ๐Ÿ‡ฉ๐Ÿ‡ช

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.

ClojureRuby
Verified Mar 30, 2026 View listing

Fullstack Developer, Payments

Unusual Whales
Mid-level+
๐Ÿ 

Remote

Fullstack Developer building payment and billing systems for a financial data company. Elixir and React with Stripe and PostgreSQL, focusing on subscriptions, invoices, webhooks, and internal financial tooling.

ElixirTypescript
Verified Mar 30, 2026 View listing

Fullstack Developer

Unusual Whales
Mid-level+
๐Ÿ 

Remote

Fullstack Developer building new features across the stack for a financial data company. Elixir and React/Next.js with PostgreSQL, focusing on real-time data processing, scalable web applications, and system improvements.

ElixirTypescript
Verified Mar 30, 2026 View listing

Product Engineer (Backend)

V7
๐Ÿ  ๐Ÿ‡ฌ๐Ÿ‡ง

London, England, UK

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

Elixir
Verified Mar 30, 2026 View listing

Lead Clojure Developer

Yuppiechef
๐Ÿ  ๐Ÿ‡ฟ๐Ÿ‡ฆ

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.

Clojure
Verified Mar 30, 2026 View listing

Senior Software Engineer

Zastrpay
๐Ÿ‡ฆ๐Ÿ‡น

Vienna, Austria

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

F#
Verified Mar 30, 2026 View listing

Rust Engineer

Zed Industries
๐Ÿ 

Remote

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 Mar 30, 2026 View listing

Scala Engineer

Ziverge
๐Ÿ 

Remote

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 Mar 30, 2026 View listing

Senior Software Engineer

Ziverge
๐Ÿ 

Remote

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 Mar 30, 2026 View listing