Staff Backend Engineer

Monzo • cardiff, wales, United-Kingdom • Posted May 29, 2026

Location cardiff, wales
Job Type Full-time
Category IT & Technology
Posted May 29, 2026

Monzo is building a modern banking experience that is simple, fast and friendly. The role is a product‑backend engineer in a cross‑disciplinary squad that collaborates with product managers, designers, mobile and web engineers, data analysts and research staff to build and support a part of the Monzo platform.

Responsibilities

  • Write scalable, resilient backend services in Go, collaborating closely with other engineers, designers and product people.
  • Test hypotheses, analyze user data and design solutions that improve customer outcomes.
  • Participate in system design discussions and architecture reviews.
  • Actively contribute to the broader engineering community through knowledge sharing and mentorship.
  • Work across multiple collectives such as Core Banking, Business Banking, Wealth, Borrowing, Growth, Payments, Platform, Fincrime, Security & Expansion.

Qualifications

  • Strong experience buildi...

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