Full-Stack Engineer - Hybrid, API & Data Platform Focus

  • 9fin
  • Oct 08, 2026
Full time I.T. & Communications

Job Description

9fin is the AI platform powering global debt markets. A Backend/Full-stack engineer is sought to design systems, build APIs, and advance data processing within our Python stack (FastAPI/Flask) on a hybrid UK-based team.

You will develop backend services, contribute to a broad range of platforms and collaborate with cross-functional teams, including product and clients, to deliver new features and improve the codebase with automation and testing.