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.