Senior Backend Engineer – Payments/Fintech (AWS, Node.js)

Kieran Knight Consulting is recruiting a Software Engineer for a UK payments/fintech client. The role is hybrid with two days per month in the office and offers direct exposure to the CTO and a chance to shape the platform from the ground up.

You should have around 5 years of backend/full‑stack experience (Node.js/Next.js), with payments/fintech background and strong AWS serverless skills. You’ll design, build, and integrate services in a regulated environment, leading with ownership rather than