Backend Engineer III – London or UK Remote

About the role

Monzo is looking for a Backend Engineer III to help build and evolve its in‑house banking platform. You will work on services that power everyday customer experiences, from payments to financial crime prevention, while collaborating with product, security, and data teams across the company.

Key responsibilities

• Design, develop, and maintain high‑performance backend services that support Monzo’s banking products.
• Collaborate with cross‑functional teams to solve complex problems in payments, security, finance, and infrastructure.
• Contribute to the architecture and scalability of the platform, ensuring reliability and security.
• Participate in code reviews, testing, and continuous improvement initiatives.
• Help mentor junior engineers and share best practices across the engineering community.

Required profile

• Proven experience building backend systems at a senior level.
• Strong problem‑solving skills and ability to work autonomously.
• Excellent communication and teamwork abilities, comfortable collaborating across disciplines.
• Passion for creating financial products that improve customers’ lives.

Required skills

What we offer

• Competitive salary £85,000 – £110,000 per year.
• Performance‑linked incentive awards and a comprehensive benefits package.
• Flexible work options: London office or UK‑wide remote.
• Support for office travel costs if you need to attend on‑site meetings.
• Part‑time arrangements available to support work‑life balance.
• Inclusive culture with regular team lunches, social events, and wellbeing initiatives.