Software Engineer - Europe/UK

At Obsidian Systems , we’re not your typical software consultancy. Since 2014, we’ve been building unusually high-quality software by combining the best tools from both industry and academia. From functional programming and static analysis to distributed ledger technologies and AI , we stay at the cutting edge—not just for the sake of novelty, but because it helps our clients gain a true strategic edge. We’re a team of engineers who value rigor, creativity, and curiosity. If you’re passionate about solving hard problems with elegant code, you’ll fit right in. What You’ll Do As a Software Engineer at Obsidian, you’ll work on challenging projects across diverse domains—fintech, blockchain, AI, data science, and more. You’ll collaborate with a fully remote, distributed team of experts to design and build software systems that are robust, scalable, and impactful. Your work will involve: Designing and developing new applications and systems Writing clean, testable, and well-documented code Participating in thoughtful code reviews and architecture discussions Debugging, optimizing, and improving existing systems Contributing to testing, CI/CD, and deployment processes Exploring new technologies and applying them to real-world problems Who You Are You’re not just a coder—you’re a craftsperson who takes pride in building elegant, reliable systems. You thrive in a remote environment where initiative and clear communication matter just as much as technical skill. You have: 3+ years of professional software engineering experience Hands-on experience in one or more of the following domains: fintech, blockchain, AI, data science, open-source, enterprise software Documented experience in functional programming (strong preference for Haskell and/or Rust a nd/or the Nix Ecosystem) A solid grasp of system design and architecture principles Experience collaborating on distributed, fully remote teams Strong written and verbal communication skills across time zones Contributions to open-source functional programming projects Why Join Obsidian Systems? A Learning Culture - We have a strong generalist culture, where employees are expected to study and improve themselves in skills that were initially weaker when they joined. Global flexibility – work fully remote from anywhere (except U.S. restricted/embargoed countries) Impactful work – your contributions won’t be lost in layers of management; you’ll directly shape products and solutions Innovative tech – work at the frontier of functional programming, AI, blockchain, and beyond Supportive culture – join a team that values rigor, learning, and collaboration over ego