Software Engineer (AWS, Node.js) - Payments/Fintech. SOLE AGENT Hybrid, 2 days a month in the office £70,000 + Equity + benefits. Our client is a growing UK payments technology company building out its in-house engineering function from the ground up. This is a rare chance to join early, work directly alongside the CTO, and genuinely shape how the platform is built. not just execute a backlog. What we''re looking for: Around 5 years'' experience as a Back End/full-stack engineer, ideally with some Front End exposure (Node.js/Next.js) Payments or fintech background essential. Exposure to card payments, PSPs, acquiring, or scheme/issuer processing Strong AWS experience (serverless, API Gateway, relational databases; Postgres/Aurora) Comfortable working independently, with real ownership rather than a rigid ticket queue Bonus: familiarity with PayFac, ISO, or payment gateway architecture What you''ll be doing: Designing and building on AWS using serverless-first architecture Working across the stack: APIs, data, integrations, and infrastructure Integrating third-party services; payment processors, KYC/KYB providers, fraud platforms, banking APIs Building secure, PCI-aware systems fit for a regulated payments environment You won''t be building everything solo. Third-party engineering teams handle a lot of the heavy infrastructure/DevOps build, so you''re directing and reviewing that work rather than carrying it all yourself What''s in it for your Genuine equity/options, a ..... full job details .....