Senior Full Stack Developer & AI Engineer
Harnham - Data & Analytics Recruitment
London
Contract
GBP 114,400 – 140,400
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Senior Full Stack Developer & AI Engineer
Fully Remote
Outside IR35
£440-£540 Per Day
Immediate Start Date
4-6 Weeks long
The Company
They are a specialist technology consultancy focused on delivering AI-driven solutions for large, complex organisations. Their work centres on turning advanced AI capabilities into practical, production-ready applications that deliver measurable business value. The environment is collaborative, fast-moving, and driven by technical excellence. Engineers are trusted to lead, influence, and make meaningful decisions.
The Role and Deliverables
- Lead the design and build of end-to-end AI-powered applications, from initial architecture through to production deployment.
- Architect scalable backend services and intuitive frontend interfaces that expose AI capabilities to enterprise users.
- Design and implement agentic AI systems, including orchestration patterns, tool integration, and evaluation approaches.
- Set technical direction and best practices across the full stack, ensuring high standards of quality and maintainability.
- Provide technical leadership through code reviews, design input, and hands-on problem solving.
- Contribute to reusable components and frameworks that accelerate delivery across engagements.
- Strong experience delivering full stack applications using modern JavaScript or TypeScript frameworks, with React or similar on the frontend.
- Proven backend engineering capability in Python and or Node.js, including API design and service-oriented architectures.
- Hands-on experience building and deploying AI solutions using large language models and related frameworks.
- Solid understanding of cloud platforms and modern deployment patterns such as containerisation, serverless, and CI/CD.
- Strong data fundamentals, including SQL, data modelling, and integration with enterprise data platforms.
- Ability to lead technically, communicate clearly with stakeholders, and operate confidently in ambiguous problem spaces.
If you are a senior full stack engineer with a passion for applied AI and technical leadership, apply now to discuss this contract opportunity in more detail.
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