Senior AI Engineer - Agentic & Generative AI

Portfolio Credit Control; Manchester; On-site; GBP 90,000 - 130,000; Full time

Job summary

Portfolio Credit Control is seeking a Senior AI Engineer to design, build and scale Agentic AI, Generative AI and RAG solutions powering customer-facing products worldwide. You’ll work with Product, Platform and Engineering to develop production-grade AI systems, autonomous agents and LLM-powered applications.

You’ll design and deliver production-ready AI solutions, build autonomous agents, orchestration, prompt engineering and Azure deployment.

Qualifications

• Strong Python development experience building production AI applications.
• Proven experience developing Agentic AI, LLM and RAG solutions.
• Experience with 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.

Responsibilities

• 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.

Skills

Python

Agentic AI

LLM & RAG

LangChain / LangGraph

Azure OpenAI Service

AI safety & deployment

Tools

Azure AI Foundry

Job description

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.