Senior Backend Engineer (Go) - Up to £120k

• 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