https://jobs.co.uk/job/senior-ai-engineer-the-portfolio-group--d06d1a31-f103-4358-be12-686319be6f5b RSS feed for Senior AI Engineer at The Portfolio Group. en-gb Sun, 30 Aug 2026 00:50:01 GMT https://jobs.co.uk/job/senior-ai-engineer-the-portfolio-group--d06d1a31-f103-4358-be12-686319be6f5b https://jobs.co.uk/job/senior-ai-engineer-the-portfolio-group--d06d1a31-f103-4358-be12-686319be6f5b Sat, 29 Aug 2026 11:52:58 GMT Location: London | Salary: 10000-500000 Annual | Type: Permanent | 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 Experienc... Permanent