Staff Backend Engineer

TechBrains
Full-time cardiff, Wales IT & Technology
Posted:
February 23, 2026
Location:
cardiff, Wales, United-Kingdom

Job Description

We’re seeking a talented Staff Engineer to join our mission of making money work for everyone. As a Product Backend Engineer, you’ll collaborate within a squad of diverse specialists, including product managers, marketers, designers, and other engineers, to build and support key parts of Monzo. You’ll be instrumental in testing hypotheses and delivering impactful solutions to our customers. Our product squads are organized into collectives (Money, Borrowing, Fincrime, etc.), offering a variety of opportunities to match your skills and preferences.

We use technologies like Go, Cassandra, Kafka, Envoy Proxy, Kubernetes, Docker, AWS, and React.

You should apply if:

  • You have strong backend development experience.
  • You’re passionate about building a product used daily by many.
  • You have a product mindset and make data-informed decisions.
  • You’re comfortable with ambiguity and enjoy working in a collaborative team.
  • Yo...

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Job Overview

Job Type: Full-time
Location: cardiff, United-Kingdom
Posted: February 23, 2026
Deadline: April 04, 2026