Artificial Intelligence Engineer

Senior AI Engineer (GenAI) — Contract

Location: Mid Sussex (hybrid, 3 days on-site per week)

Duration: 6 months

Rate: £575–£625 per day

About the role

We're looking for an experienced GenAI Engineer to design and build AI-powered applications on top of Large Language Models and modern AI frameworks. You'll take solutions from concept through to scalable, production-grade systems, working with a cross-functional team to deliver something secure and genuinely usable at scale.

What you'll be doing

• Designing and developing GenAI applications using OpenAI / Azure OpenAI or equivalent LLM platforms

• Building multi-agent solutions with agent-orchestration frameworks such as LangGraph

• Creating Retrieval-Augmented Generation (RAG) pipelines over enterprise knowledge using embeddings and vector search

• Developing scalable Python backend services and REST APIs

• Integrating AI into existing business systems, databases and third-party APIs

• Optimising prompts, retrieval quality, latency and cost for live production workloads

What we're looking for

• Strong Python and backend development experience

• Hands-on experience with OpenAI / Azure OpenAI, prompt engineering, RAG, embeddings and vector search

• Proven experience building agentic AI with LangGraph or similar (LangChain, Semantic Kernel, AutoGen, CrewAI)

• Experience with vector databases (pgvector, Azure AI Search, Pinecone, Weaviate, Chroma, FAISS, Milvus or OpenSearch)

• Cloud (Azure / AWS / GCP), Docker and Kubernetes

• Solid grasp of API integration, tool/function calling and agent orchestration

Nice to have

• Model Context Protocol (MCP)

• Kafka or event-driven architectures

• MLOps, LLM evaluation, observability and monitoring

To apply or find out more, get in touch.

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