Full Stack Developer

Full Stack Developer

Location: United Kingdom (Remote)

Salary: £65,000-£75,000 per annum

A dynamic and forward-thinking digital team in the FinTech space is on the hunt for a skilled Full Stack Developer who can do more than just write exceptional code — they’re looking for someone who can contribute to ongoing business growth and spearhead an exciting new app!

This isn’t just another coding role. It’s a chance to put your stamp on an innovative new app, help to influence and scale a team of developers around you, and progress in your own career as the potential future CTO!

What you’ll be doing

• Build and maintain the mobile app (React Native)
• Integrate with Open Banking APIs like Yapily or TrueLayer
• Design & build pipelines to analyze transaction data + user conversations
• Use embedding models (OpenAI, Cohere, etc.) to vectorize user data
• Store and query vectors using vector databases (e.g. Pinecone, Qdrant)
• Architect the backend with Node.js or Python (FastAPI/Django)
• Own end-to-end security and compliance (OAuth2, GDPR, secure storage)
• Collaborate on the AI recommendation engine that powers the product

What we’re looking for

• 4+ years full-stack experience in fast-paced environments
• Strong in React Native (for Android & iOS) and Python
• Experience with Open Banking APIs (TrueLayer, Yapily, Salt Edge, etc.)
• Built or contributed to LLM-based recommendation systems
• Worked with vector databases (Pinecone, Weaviate, FAISS, Chroma)
• Familiar with embedding models (e.g. OpenAI, Sentence Transformers)
• Understands secure data practices (encryption, secure tokens, GDPR)

This is a brilliant opportunity for someone who wants to contribute more than just writing code. The business are looking to make some significant growth over the next 2 years and you’ll play a huge part in that journey!

Why apply?

• Work with a passionate, experienced team on cutting-edge digital products.
• Flexibility to work remotely from anywhere in the UK.
• A chance to genuinely shape how code is written and quality is maintained.

Ready to level up your career and help others do the same?

Apply now for immediate consideration or reach out for a confidential chat.

Salary: GBP 55000 - 65000 per year

Experience: 3 years required