Senior Functional Programmer (Haskell)

Senior Functional Programmer - Haskell, OCaml, Scala, Linux, F#, Financial Markets, Openshift, Kubernetes I am working with a leading financial services firm who is seeking a Senior Haskell Developer to join a specialist team developing cross-product transactional pricing systems for derivatives. This is a rare opportunity to work with a production-grade Haskell codebase, delivering high-performance backend systems that support real-time pricing and trading. Key Responsibilities: Design, develop, and maintain backend services for derivatives pricing using Haskell Lead the implementation of new features and performance enhancements Collaborate with business analysts and global stakeholders to deliver value-driven solutions Contribute to system architecture and technical direction of the platform Engage in code reviews, pair programming, and continuous improvement initiatives Support production systems and deployment pipelines alongside DevOps teams Mentor junior developers and promote best practices in functional programming Apply financial domain knowledge in derivatives pricing and risk management Key Skills: Proficient in functional programming (Haskell is preferred, OCaml/Scala also considered) Experience building scalable, high-performance backend/server-side applications Strong understanding of architecture and system design principles Comfortable working in Linux environments and agile development settings Financial markets experience (particularly derivatives) is advantageous MSc or PhD in Computer Science, Mathematics, Physics, or another STEM field is preferred, but not essential with relevant experience This is a full time role, with flexibility for hybrid working in their London office, 1 or 2 days per week. The salary on offer is up to £115k and a total comp of up to £160k. If you are interested or know someone who might be please reach out. Senior Functional Programmer - Haskell, OCaml, Scala, Linux, F#, Financial Markets, Openshift, Kubernetes