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IT & Digital

Senior Software Engineer

Join a fast-growing FinTech building next-generation payment infrastructure used by millions across Europe.

London, UK Permanent £85k – £110k

The role

  • Design, build, and maintain highly scalable microservices powering core payment flows.
  • Collaborate with product, design and data teams to ship features end-to-end.
  • Mentor mid-level engineers and contribute to architectural decisions across the platform.
  • Champion engineering excellence: testing, observability, performance and security.

What you'll bring

  • 5+ years building production systems in TypeScript / Node.js or Go.
  • Strong experience with AWS or GCP, Kubernetes, and event-driven architectures.
  • Deep understanding of databases (PostgreSQL) and distributed systems trade-offs.
  • Excellent written and verbal communication; comfortable in a hybrid London team.

What's on offer

  • Hybrid working (2 days/week in central London office)
  • Private healthcare and enhanced pension
  • Equity options and annual learning budget
  • Relocation support available for the right candidate