via Reed · 18 September 2026 ·2 days ago

Senior AI Engineer - Agentic & Generative AI

The Portfolio Group
Manchester Full-time GBP 80,000 – 100,000
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Join a fast-growing international SaaS business at the forefront of AI innovation. We're looking for a Senior AI Engineer to design, build and scale Agentic AI, Generative AI and Retrieval-Augmented Generation (RAG) solutions that power intelligent, customer-facing products used globally.

Working closely with Product, Platform and Engineering teams, you'll develop production-grade AI systems, autonomous agents and LLM-powered applications, helping shape the future of AI across the organisation.

What You'll Do

  • Design and deliver production-ready Agentic AI, Generative AI and RAG solutions.

  • Build autonomous AI agents capable of reasoning, planning and executing complex workflows.

  • Develop multi-agent orchestration, tool integration and advanced retrieval strategies.

  • Optimise LLM performance through prompt engineering, fine-tuning and evaluation.

  • Work with Platform Engineering to deploy scalable AI services using Microsoft Azure.

  • Mentor engineers and contribute to AI architecture and engineering best practices.

What You'll Bring
  • Strong Python development experience building production AI applications.

  • Proven experience developing Agentic AI, LLM and RAG solutions.

  • Experience with frameworks such as LangGraph, LangChain, Semantic Kernel, AutoGen or similar.

  • Experience with Microsoft Azure, including Azure AI Foundry, Azure OpenAI Service and Azure AI Search.

  • Understanding of LLM evaluation, AI safety, observability and production deployment.

Why Join?
  • Build cutting-edge AI products for a global SaaS customer base.

  • Shape the future direction of Agentic AI within an ambitious technology organisation.

  • Work alongside talented engineers using the latest AI technologies.

  • Join a collaborative team with genuine ownership and impact.

If you're passionate about building intelligent AI systems that move beyond experimentation into real-world products, we'd love to hear from you.

INDAM

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

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