Contract Opportunity: Senior Haskell Developer

Global Tier-1 Investment Bank | £800–£1000/day PAYE | London | 12+ Months

Join one of the most prestigious Haskell engineering teams in global finance.

We're partnering with a world-leading investment bank renowned for its sophisticated use of Haskell in production —arguably the most advanced implementation of the language in the banking sector.

We’re seeking a Senior Haskell Developer with 20+ years of professional experience to contribute as an Individual Contributor and technical leader. This is a rare opportunity to work at the heart of a team pushing the boundaries of functional programming in a real-world, high-performance environment.

What You'll Bring: Deep expertise building and deploying large-scale Haskell systems Experience leading complex technical projects with Haskell components integrated into broader technology stacks Ideally, familiarity with the GHC codebase and knowledge of functional language compilation Experience working with or maintaining custom compilers is a strong advantage Clear and con...