https://jobs.co.uk/job/senior-ai-engineer-the-portfolio-group--ee4d8ee4-f989-4f7b-96b7-6098ead7b48b RSS feed for Senior AI Engineer at The Portfolio Group. en-gb Wed, 10 Jun 2026 09:38:34 GMT https://jobs.co.uk/job/senior-ai-engineer-the-portfolio-group--ee4d8ee4-f989-4f7b-96b7-6098ead7b48b https://jobs.co.uk/job/senior-ai-engineer-the-portfolio-group--ee4d8ee4-f989-4f7b-96b7-6098ead7b48b Wed, 03 Jun 2026 23:00:00 GMT Location: London | Salary: £80000/annum | 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 ... Permanent