Senior AI Engineer

We are partnering with an established organisation currently investing significantly in its AI and generative search capabilities. They are looking to appoint a Senior AI Engineer to play a key role in designing and delivering production-grade AI systems focused on accuracy, scalability, and real-world impact.

This position sits within a growing AI function and will focus heavily on Retrieval-Augmented Generation (RAG), agentic workflows, evaluation frameworks, and LLM optimisation.

Key Responsibilities:

Design and develop scalable RAG pipelines and generative AI workflows
Build solutions using LangChain, LangGraph, and LlamaIndex
Implement retrieval strategies including reranking, chunking, and retrieval fusion
Develop agentic workflows with a focus on robustness and maintainability
Contribute to experimentation, evaluation, and AI quality frameworks
Support fine-tuning, instruction tuning, and model optimisation initiatives
Mentor junior engineers and contribute to technical best practices

Key Requirements:

Strong Python engineering experience
Commercial experience building production-grade AI/ML systems
Hands-on experience with RAG architectures and LLM workflows
Experience with LangChain, LangGraph, and/or Llama Index
Understanding of evaluation methodologies for generative AI
Experience working within scalable cloud environments (AWS preferred)
Ability to operate in a senior or technical leadership capacity

Desirable:

Graph-RAG experience
Databricks exposure
Experience deploying customer-facing AI systems

This is an excellent opportunity to join a forward-thinking organisation where AI is a genuine strategic priority and engineering quality is highly valued.

51752MS

INDLON

The Portfolio Group are acting on behalf of our client in recruiting for this position
Only candidates based in UK and eligible to work in UK are allowed