Tech Lead- Agentic AI, Python, Azure

AI Tech Lead (Python | Azure | LLM/Agentic Systems)
Contract- Hybrid, UK (One day per month in the London office)

We're looking for a strong AI Tech Lead with Python engineering with proven experience building production-grade systems on Azure, alongside hands-on exposure to modern AI and agentic architectures.

This role is focused on designing and delivering scalable AI-enabled services, working across LLM orchestration, tool integration and real-world deployment in cloud environments.

Key Responsibilities

  • Design and build robust Back End services using Python
  • Develop and deploy applications on Azure (AKS, Functions, App Service or similar)
  • Build and optimise AI/agentic systems, including:
    • LLM orchestration workflows
    • Retrieval Augmented Generation (RAG) pipelines
    • Tool usage/agent frameworks
    • Evaluation and performance tuning of models
  • Work closely with product and engineering teams to translate requirements into scalable solutions
  • Ensure high standards of code quality, testing and performance in production systems

Required Experience

  • Strong hands-on Python development experience (production systems)
  • Proven experience deploying and managing applications on Azure
  • Experience with containerisation and/or orchestration (eg Kubernetes/AKS)
  • Practical experience building AI-driven solutions in production
  • Strong understanding of:
    • LLM ecosystems (eg OpenAI, OSS models)
    • RAG architectures
    • Agent frameworks/tool integration
  • Experience designing scalable, reliable cloud-native systems

Desirable

  • Experience with MLOps/model life cycle management
  • Familiarity with frameworks such as LangChain, LangGraph or similar
  • Exposure to CI/CD pipelines and infrastructure as code

Overview

  • High-impact role working on cutting-edge AI systems
  • Strong engineering focus - not just experimentation, but production delivery
  • Opportunity to shape architecture and design decisions

GCS is acting as an Employment Business in relation to this vacancy.

Job Details

Company
GCS
Location
London, United Kingdom
Employment Type
Contract
Salary
GBP Annual
Posted