Full Stack AI Engineer (Agentic AI & LangChain) - Contract Duration: 3 Months Rate: Up to £700 per day (Inside IR35) Location: Hybrid - Oxford
We are seeking an experienced Full Stack AI Engineer to join a growing tech company on an initial 3-month contract. This role is ideal for someone with strong, hands-on experience building agentic AI systems, particularly using LangChain, and who enjoys working in fast-paced, product-led environments.
The Role
You will play a key role in designing, building, and deploying AI-powered products, working closely with cross-functional teams to deliver intelligent, scalable solutions.
Key responsibilities include:
Designing and developing full stack AI applications with a focus on agentic AI architectures
Building and orchestrating AI agents using LangChain (and related frameworks and tools)
Integrating LLMs with APIs, tools, databases, and front-end interfaces
Collaborating with product managers, designers, and engineers across the business
Contributing to system architecture, technical design, and engineering best practices
Supporting rapid prototyping, experimentation, and iteration of AI-driven features
Ensuring solutions are robust, secure, and production-ready
About You
Essential experience:
Demonstrable, hands-on experience building agentic AI systems
Strong experience with LangChain (or similar agent frameworks)
Solid full stack engineering background (e.g. Python and/or TypeScript, APIs, modern front-end frameworks)
Experience working with LLMs, prompt engineering, and agent orchestration
Comfortable working in agile, collaborative engineering teams
Ability to clearly explain complex AI concepts to technical and non-technical stakeholders
Desirable:
Experience with cloud platforms (AWS, Azure, or GCP)
Familiarity with MLOps, evaluation, and monitoring of AI systems
Experience working in product-led or scale-up environments
Reasonable Adjustments:
Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.
If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.
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