https://jobs.co.uk/job/software-engineer-aws-nodejs-paymentsfintech-sole-agent-kieran-knight-consulting-ltd--a6deb659-d4eb-438f-bb40-c48c16aead3e RSS feed for Software Engineer (AWS, Node.js) - Payments/Fintech. SOLE AGENT at Kieran Knight Consulting Ltd. en-gb Wed, 23 Sep 2026 14:51:28 GMT https://jobs.co.uk/job/software-engineer-aws-nodejs-paymentsfintech-sole-agent-kieran-knight-consulting-ltd--a6deb659-d4eb-438f-bb40-c48c16aead3e https://jobs.co.uk/job/software-engineer-aws-nodejs-paymentsfintech-sole-agent-kieran-knight-consulting-ltd--a6deb659-d4eb-438f-bb40-c48c16aead3e Wed, 23 Sep 2026 11:54:46 GMT Location: Buckinghamshire | Salary: 60000.00-60000.00 Annual | Type: Permanent | Software Engineer (AWS, Node.js) - Payments/Fintech. SOLE AGENT Hybrid, 2 days a month in the office £60,000 - £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-awar... Permanent