Senior Backend Engineer: Core Banking & Distributed Systems

Onmo is looking for a senior backend or full-stack engineer to help build and operate our core banking capabilities in London. You will design, implement and run money movement, interest calculation and statement generation within distributed, event-driven systems.

You’ll own foundational services, contribute to architecture decisions with the tech lead, and mentor engineers across the function while shipping reliable, well-documented code in a fast-paced fintech environment.