Full Stack Developer - GenAI

6-month contract Inside IR35 Up to £800 per day 2-3 days per week in London

A global pharmaceutical client is growing their Responsible AI function and looking for a Full Stack Developer to help build and visualise GenAI applications that evaluate LLM safety, performance, and output explainability.

This role suits someone who enjoys working across both frontend and backend systems, connecting AI models to real-world user interfaces and data pipelines.

What you'll be doing:

• Develop and deploy full stack features (Python backend, React frontend)

• Integrate LLM and GenAI components into the product ecosystem

• Conduct user research to understand risk and usability in AI systems

• Contribute to agile development cycles and code reviews

Key Skills:Python, React, TypeScript, Git/GitHub, cloud infrastructure (GCP), agile development, automated testing

Nice to Have:Experience with AI safety evaluations, LangGraph, PydanticAI, or AutoGen frameworks

Ideal for:Full stack engineers interested in building user-facing AI tools and safety-focused GenAI systems.