Permanent – AI Full Stack Product Engineer (Agentic AI)
Location:London (Hybrid – 3 days per week)Permanent
Build AI Products. Not Just Software.
We’re looking for a hands-onAI Full Stack Product Engineerto help build the next generation of AI-powered products for a fast-growing technology business.
Working directly with an innovative CTO, you’ll develop intelligent applications usingAgentic AI,LLMsand frameworks such asLoop HarnessandLangGraph, helping shape how AI is Embedded into real-world products.
This is a role for someone who enjoys experimenting, moving quickly and solving complex problems in a collaborative scale-up environment.
What You’ll Be Doing
- Build AI-powered products using modern full-stack technologies.
- Develop agentic workflows and autonomous AI capabilities.
- Build and integrate APIs, Back End services and cloud-native applications.
- Work with LLMs including Anthropic Claude and other leading AI platforms.
- Prototype new ideas and rapidly iterate with Product and Engineering teams.
- Contribute across Front End, Back End, cloud infrastructure and AI engineering.
- Help define engineering standards and best practices for AI development.
Skills We’re Looking For
- Strong commercial experience withTypeScript,Next.jsandReact.
- Backend development usingPythonand modern APIs.
- Experience building production applications usingLLMsor AI services.
- Knowledge ofLangGraph,Loop Harness, MCP or similar agent frameworks.
- AWS, Docker, Kubernetes and CI/CD experience.
- Comfortable working across the full technology stack.
- Experience within a fast-paced scale-up or product-led business.
The Person
We’re looking for someone who is:
- Passionate about AI and emerging technologies.
- Curious, energetic and keen to experiment.
- Comfortable working in ambiguity and trying new approaches.
- A strong communicator who enjoys collaborating across Product and Engineering.
- Happy wearing multiple hats and helping a growing business scale.
This is an opportunity to work on cutting-edge AI products where you’ll have genuine influence over technical direction, work directly with the CTO and help shape the future of an AI-first business.