Senior Backend Engineer (Golang)

Few&Far United Kingdom
Visa Sponsorship
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AI Summary

Design and implement key architecture and implementation decisions for cross-border money movement. Handle real-world challenges of collections across continents. Strong commercial Go experience in production environments.

Key Highlights
International cross-border payments scale-up
Handle real-world challenge of collections across continents
Designing customer-facing APIs to collect money through different payment strategies
Key Responsibilities
Handle the real-world challenge of collections across continents
Own key architecture and implementation decisions, building the financial backbone other parts of the business will stand on
Designing customer-facing APIs to collect money through different payment strategies
Technical Skills Required
Go gRPC AWS ECS Terraform Kafka Redis PostgreSQL Vault
Benefits & Perks
£100,000 - £120,000
Stock Options
Benefits
Nice to Have
Claude
Cursor
Agent-based systems for banking partner interactions

Job Description


  • Senior Backend Engineer (Golang)
  • £100,000 - £120,000 + Stock Options + Benefits
  • London, 4 days onsite (Canary Wharf)
  • International cross-border payments scale-up


The company

  • We’re partnering with a fast-scaling fintech building a global multi-currency account for people living and working across borders
  • Think: receive, hold, convert, and send money instantly, across 30+ countries
  • They’ve hit profitability, are processing 1M+ users globally, and are now heading into a major scale-up


The role: Senior or Lead Golang Engineer

  • Handle the real-world challenge of collections across continents
  • You’ll be joining a small, high-calibre engineering organisation, with real ownership across services that sit at the core of cross-border money movement
  • Own key architecture and implementation decisions, building the financial backbone other parts of the business will stand on
  • Designing customer-facing APIs to collect money through different payment strategies


Tech Snapshot: Go, gRPC, AWS, ECS, Terraform, Kafka, Redis, PostgreSQL, Vault, TDD


About you:

  • Strong commercial Go experience in production environments, comfortable operating at Senior or Lead level (design, ownership, technical direction)
  • Background in fintech, payments, or highly regulated systems
  • Experience working with scale, distributed systems, and reliability challenges
  • Exposure to concepts like payment rails or banking integrations will put you at a strong advantage
  • Interest in emerging tooling (they actively use Claude, Cursor, and are exploring agent-based systems for banking partner interactions)


Notice period: ideally 4–6 weeks


Visa sponsorship: Available


Please apply to discuss this further


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