Overview Senior Full Stack Developer — Hybrid (London, Cambridge, or Bristol - 3 days per week) Up to £100,000 + 5% Bonus + Benefits Are you a talented Full Stack Developer looking to work at the forefront of AI and software innovation? We're partnering with a leading international law firm that's building cutting-edge GenAI and LLM-powered solutions — and they're looking for a Full Stack Developer to help shape the next generation of legal technology. This is a unique opportunity to work within a forward-thinking tech team that's reimagining how AI can transform client delivery, knowledge management, and operational excellence across a global firm. Why this role?

Work directly with data scientists and AI engineers on enterprise-scale AI and machine learning products. Build production-ready applications that leverage Generative AI and Large Language Models (LLMs). Hybrid flexibility: 3 days per week in either London, Cambridge, or Bristol, 2 from home. Join an award-winning firm recognised for innovation, inclusion, and career development.

What you'll be doing:

Designing, developing, and maintaining front-end and back-end components of complex web applications. Collaborating with product owners, designers, and data teams to deliver user-friendly, high-performance tools. Implementing cloud-based solutions and managing DevOps processes for seamless deployment. Working in an agile team, contributing to sprints, backlog refinement, and continuous improvement. Staying up to date with AI/ML and LLM trends to bring innovative ideas into production. Ensuring code quality through testing, documentation, and peer review.

What we're looking for:

4+ years' experience building enterprise-grade applications. Strong backend skills in Python (FastAPI, Flask) with experience designing APIs and integrating databases (e.g. GraphDB, CosmosDB, SQL). Solid frontend development skills in React, TypeScript/JavaScript, HTML, and CSS. Experience developing scalable, cloud-based solutions - Azure preferred. Understanding of modern development best practices, including agile delivery, CI/CD, and automated testing. Passion for emerging tech and willingness to learn Generative AI and LLM technologies (e.g. OpenAI, Claude).

Nice-to-haves:

Experience working in or with legal tech, consulting, or data-driven environments. Familiarity with UX design principles and the ability to prototype interfaces. Experience managing deployments or infrastructure automation.

Package & Benefits:

Salary up to £100,000 + 5% annual bonus. Hybrid working - 3 days per week in London, Cambridge, or Bristol office. Private medical insurance, pension contribution, and enhanced family leave.

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