Job Overview & Description

🚀 Senior Full-Stack Engineer (React / Node.js) – AI/LLM – Contract

We’re looking for a Senior Full-Stack Engineer to support a client within the FinTech industry.

📍 Fully remote

📄 6-month contract, strong likelihood of extension

💰 Up to £550/day

What you’ll be doing:

🔹 Building and extending product features across a React frontend and Node.js backend

🔹 Working with LLMs to extract and validate structured data from unstructured financial documents

🔹 Designing pipelines that handle real-world document/data variability at scale

🔹 Collaborating closely with a small, senior product/engineering team to ship fast

🔹 Contributing to architecture and technical decisions as the platform scales

What we’re looking for:

✅ Strong production experience with React and Node.js

✅ Some hands-on experience with LLMs — integrating APIs, prompt/pipeline design, or building AI-assisted features

✅ Comfortable owning features end-to-end in a fast-moving startup environment

✅ Bonus: interest or background in fintech/data-heavy domains

🚀 Senior Full-Stack Engineer (React / Node.js) – AI/LLM – Contract