AI Engineer, Production-Grade LLMs & Agentic Systems

Intec Select; Greater London; On-site; GBP 111,000 - 120,000; Full time

Job summary

Intec Select is representing a globally established data and information services client seeking an AI Engineer - LLM & Agentic Systems to design and ship production-grade AI agents and agentic workflows. You will own delivery end-to-end, from exploration through to production deployment, with a focus on scalable, observable architectures.

The role requires hands-on experience shipping LLM-powered systems, strong Python skills, and a product-minded approach to real-world business problems.

Qualifications

• Masters or higher in a mathematical, scientific or computer science discipline.
• Built things that are used and can explain decisions.
• Senior/lead level ownership and mentoring expected.

Responsibilities

• Design and build AI agents and agentic workflows combining LLMs, RAG, reasoning, memory and tool orchestration.
• Own delivery end-to-end from exploration to production deployment and iteration.
• Work with MCP-style architectures (FastMCP/FastAPI) and LangChain/LangGraph or equivalents to build reliable, scalable systems.
• Integrate AI into products, APIs and business workflows with attention to latency and cost.
• Collaborate with engineering to ensure observability and maintainability.

Skills

Python

LLM systems

Production-grade code

System design

Product mindset

Education

Masters in CS/Math/CompSci

Tools

FastAPI

LangChain

LangGraph

Job description

Intec Select is representing a globally established data and information services client seeking an AI Engineer - LLM & Agentic Systems to design and ship production-grade AI agents and agentic workflows. You will own delivery end-to-end, from exploration through to production deployment, with a focus on scalable, observable architectures.

The role requires hands-on experience shipping LLM-powered systems, strong Python skills, and a product-minded approach to real-world business problems.