Cardiff, London or Remote (UK) Hybrid Employment

Monzo is hiring a Principal Backend Engineer

Responsibilities

  • Collaborate with engineering and product leadership to define technical and product vision, guiding strategic initiatives that influence company direction over the next several years.
  • Maintain active involvement in coding and system design, particularly in areas requiring deep expertise or involving significant risk or innovation.
  • Identify opportunities with the greatest potential impact and direct engineering resources toward achieving those outcomes.
  • Unify cross-functional teams around critical challenges, establishing clarity, alignment, and urgency while balancing speed with safety and sustainability.
  • Shape architectural decisions for highly complex systems, ensuring consistency, reusability, and alignment with enterprise-wide strategies.
  • Champion technical excellence by advancing standards in quality, reliability, and scalability across all engineering teams.
  • Mentor and develop senior engineers and emerging leaders, amplifying impact through others' growth and performance.

Benefits

  • Performance-based incentive awards
  • Equity through share options
  • Support for relocation to the UK
  • Visa sponsorship available
  • Flexible working hours
  • Annual £1,000 learning budget for courses, books, and conferences
  • Provision of Macbooks and home office support for remote workers

Compensation

Competitive salary with performance incentives and equity

Work Arrangement

Hybrid

Team

600 engineers within a company of approximately 5,000 people, fostering mobility between teams, knowledge sharing, open source contributions, and interdisciplinary collaboration.

Team

There are about 600 engineers in a total workforce of roughly 5,000. The organization encourages internal movement and specialization. Engineers collaborate company-wide, participate in regular knowledge-sharing events, and contribute to open source. The company blog offers deeper insights into engineering practices and systems.

Other

  • Relocation assistance to the UK is provided.
  • Visa sponsorship is available.
  • The position can be based in the London office or remotely within the UK, with occasional in-person meetings in London.
  • Flexible working hours are offered, with trust placed in employees to manage their time effectively in coordination with their teams.

Yes

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About company
Monzo
Monzo offers personal and business bank accounts, joint accounts, accounts for 16-17 year olds, free kids accounts, credit cards, savings, investments, and pension combination services in the UK. Known for hot coral cards, get-paid-early feature, financial education on social media, and award-winning customer service.
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Job Details
Department Technology
Category backend
Posted 3 hours ago