AI-native fintech startup building accounting software for professional services

Product Engineer (Integrations)

UK, New York, EuropeOn-site or Remote$150K - $250K3 - 10 years
This is a Product Engineer role focused on integrations at an AI-first fintech company serving accounting and professional services firms. You'll work on building and maintaining API integrations that connect core accounting workflows with external systems, using a modern stack spanning Python, Go, Rust, and TypeScript. The 20-person engineering team operates across UK, New York, and Europe locations, with flexibility for on-site or remote work.

What we're looking for

  • 3–10 years of software engineering experience with demonstrated proficiency in Python and REST API design
  • Experience building or maintaining integrations at scale using technologies like Go, Rust, or TypeScript
  • Familiarity with containerization and orchestration tools such as Kubernetes
  • Strong problem-solving skills and ability to ship production features in a fast-moving fintech environment
  • Understanding of accounting workflows or financial software systems is a plus

Tech stack

PythonREST APIGoRustTypeScriptKubernetes

Apply for this role

This role is one we're recruiting for on behalf of a client company; the client's identity is kept confidential at this stage. A Fluency recruiter will follow up with details.