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Senior AI Engineer - React/TS/Node.js - FinTech - Fully Remote - Up to £110k

Oliver Bernard
Department:Fullstack React
Type:REMOTE
Region:UK
Location:United Kingdom
Experience:Mid-Senior Level
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Job Description

Posted on: September 29, 2026

Senior AI Engineer | LLMs & AI Products | Remote UK | Up to £110k + Benefits


We’re working with a high-growth FinTech scale-up that is building a new generation of AI-powered products and is looking for a Senior AI Engineer to join the team.


This is a hands-on role for an engineer who wants to be close to the product and have genuine ownership over how AI is built, integrated and shipped.


What you’ll be doing:

  • Build and ship AI-powered features into production
  • Work with LLMs, RAG, agents and AI tooling
  • Design and develop scalable backend services
  • Work across TypeScript, Node.js and React
  • Experiment, evaluate and iterate on AI capabilities
  • Own projects from initial idea through to launch
  • Help shape engineering decisions as the team grows


What they’re looking for:

  • Strong software engineering background
  • Experience building production AI or LLM-powered applications
  • Hands-on experience with RAG, agents or LLM integrations
  • Strong TypeScript and Node.js experience
  • Comfortable working across the stack
  • Product-minded approach and a willingness to work in a fast-moving environment


What’s on offer:

  • Up to £110k
  • Fully remote across the UK
  • Private healthcare & dental
  • Work abroad policy


Please apply below to find out more.

Originally posted on LinkedIn

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