Senior Full Stack Engineer

Senior Fullstack Engineer

£80k–£110k | London 3 days onsite

We’re partnering with a venture backed company building a platform focused on payments risk and transaction intelligence. They help financial institutions understand payments in real time, so they can stop scams without disrupting legitimate transactions.

Their platform combines multiple data sources with AI driven workflows to make high confidence decisions in milliseconds. Already working with well known financial institutions in the UK, they’re now scaling both the product and team.

They’re hiring a Senior full stack engineer, with a focus on shaping the frontend while contributing across backend and core systems.

What you’ll be working on

• Defining and owning the frontend architecture and best practices
• Building and evolving APIs that power real time decisioning systems
• Designing systems that coordinate data across multiple sources
• Shipping AI powered workflows into production
• Making architectural decisions across the stack in a fast moving environment

What they’re looking for

• Full stack engineers with 6 plus years experience in high ownership environments
• Strong TypeScript and React experience alongside solid backend experience
• Experience building scalable, fault tolerant systems in the cloud
• A product mindset, someone who takes ownership and moves with pace
• Comfortable operating in ambiguity and early stage trade offs
• Experience in fraud, payments or regulated environments is a plus

You’ll be joining at a point where you can shape both the frontend experience and the underlying systems, with real influence over how the product evolves.

If curious, apply or get in touch directly and let’s arrange a time to talk.