If your skills, experience, and qualifications match those in this job overview, do not delay your application.Lead /Principal Full stack Developer React AI Engineer
Location: London (Hybrid – 3-4 days per week) Salary: £120,000 – £1600,000 + Equity + Excellent Benefits Job Type: Permanent
Build the Next Generation of AI Products
We’re partnering with an innovative, fast-growing technology company that’s redefining how AI-powered products are built and delivered. This is an exciting opportunity for a Lead / Principal React AI Engineer to join a high-calibre engineering team developing cutting-edge AI applications used by customers globally. You’ll play a pivotal role in building intuitive user experiences while integrating the latest advances in Generative AI and agentic systems into production software.
The Role
As a Senior / Lead React AI Engineer, you’ll take ownership of features from concept through to production, working across both the front end and backend to deliver scalable, high-quality applications. Working closely with Product Managers, AI Engineers and Software Engineers, you’ll help shape technical direction while building intelligent products that leverage Large Language Models (LLMs) and modern AI tooling.
Key Responsibilities
- Design and develop modern, scalable React applications.
- Build backend APIs and services using TypeScript and Node.js.
- Deliver production-ready features across the full software development lifecycle.
- Integrate AI capabilities, LLMs and agentic workflows into customer-facing products.
- Collaborate with AI Engineers to build seamless AI-powered user experiences.
- Champion engineering best practices, testing and code quality.
- Improve application performance, scalability and reliability.
- Mentor engineers and contribute to technical leadership across the team.
- Work closely with cross-functional teams in an Agile environment.
About You
You’ll be an experienced software engineer with a passion for building exceptional products and embracing modern AI technologies. You’ll ideally have:
- 8+ years’ commercial software engineering experience.
- Strong expertise with React and TypeScript.
- Experience developing backend services using Node. xwwtmva js.
- Experience buildi
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