Full job descriptionWe 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.






51752MSR
INDLON
The Portfolio Group are acting on behalf of our client in recruiting for this position.