Monzo

Lead the development of advanced machine learning and LLM-based solutions that transform customer operations at scale. You’ll combine hands-on production ML work with technical leadership, mentoring, and ownership of measurable customer outcomes.

Build and evolve Monzo’s native Android banking app used by more than 11 million people, creating polished experiences and resilient, well-tested Kotlin code. You’ll work in an autonomous product squad with the opportunity to shape both product outcomes and implementation.

Senior Software Engineer role building and supporting backend services for Monzo’s banking platform in a collaborative product squad. The position is based in Barcelona with a hybrid schedule of three office days per week.

Join Monzo as a Backend Software Engineer III building resilient, customer-focused banking products used by millions. You’ll work in a collaborative squad across areas such as payments, platform, security, growth, and core banking.

Build resilient backend services for Monzo’s banking platform as a Staff Backend Engineer in Barcelona. You’ll collaborate with cross-functional product squads to solve customer problems using distributed systems and strongly typed technologies.

Staff Backend Engineer building resilient, distributed financial products used by millions of customers across Monzo’s banking ecosystem. The role offers UK-remote flexibility, product ownership, and work with a modern backend technology stack.

Join Monzo as a Senior Backend Engineer building resilient, distributed systems that power everyday banking products for millions of customers. You’ll work in a flexible UK-based environment across areas such as payments, banking, wealth, growth, and financial crime.

Build resilient backend systems for Monzo’s in-house banking platform, helping create products used by millions of customers across the UK. This role offers flexible UK-based remote or London working and focuses on distributed systems, strongly typed languages, and customer-focused engineering.

Lead the development and deployment of advanced machine learning systems that help detect financial crime and protect Monzo customers. This technical IC leadership role combines hands-on modeling, production delivery, and mentorship across the machine learning discipline.

Lead technical direction across multiple engineering squads while staying hands-on with backend coding and architecture. You’ll shape scalable systems, influence product strategy, and mentor senior engineers in a flexible London or UK-remote role.