CareerPlan

Staff Backend Engineer

BarcelonaFull-time2026-05-28 → 2026-11-10
Hybrid · Spain

Core

Building and supporting parts of Monzo's in-house banking platform, including personal and business accounts, credit cards, and savings/investments.

Role type

Staff Backend Engineer

Builds

Banking platform features and infrastructure for Monzo customers

Domain

Fintech / Banking

Required skills

Backend development, distributed systems, resilient software design, strongly-typed languages (Go, Java, C, Scala)

Preferred skills

Product mindset, data-informed decision making, working in ambiguity

Technologies

Go, Cassandra, Kafka, Envoy Proxy, Kubernetes, Docker, AWS, React

Responsibilities

Collaborate across disciplines to test hypotheses and make a difference to customers, build and support a particular part of Monzo, write application code using Go, work with distributed systems and resilient software

Seniority

Staff (L60), hands-on IC