Staff ML Engineer: Build Generative AI at Scale

WeDoTech; City Of London; Hybrid; GBP 144,000 - 176,000; Full time

Job summary

WeDoTech is partnering with a major UK financial services organisation to scale its AI engineering capability in London. The Staff Machine Learning Engineer will provide hands‑on leadership, shaping AI development across multiple teams while maintaining production‑grade systems and governance within a regulated environment.

The role focuses on Generative AI, LLMs, RAG and agentic architectures, with practical use of LangChain, LangGraph, vector databases and Claude Code.

Qualifications

• Extensive hands‑on Machine Learning Engineering and Applied AI experience.
• Deep expertise in LLMs, Generative AI, RAG and agentic architectures.
• Experience with Python, AWS, MLOps and enterprise AI infrastructure.
• Experience operating at Staff, Principal or equivalent technical leadership level.

Responsibilities

• Providing Staff‑level technical leadership across Generative AI, LLM and Agentic AI initiatives.
• Designing and developing production‑grade RAG, LLM and multi‑agent solutions.
• Shaping reusable AI frameworks, tooling and engineering standards across multiple teams.
• Remaining deeply hands‑on, developing and deploying complex AI applications.
• Championing AI‑assisted development tools to accelerate engineering delivery.

Skills

Hands-on ML

Generative AI

LLMs

RAG

Agentic AI

Python

Production deployment

MLOps

Tools

LangChain

LangGraph

Vector databases

Claude Code

AWS

Job description

WeDoTech is partnering with a major UK financial services organisation to scale its AI engineering capability in London. The Staff Machine Learning Engineer will provide hands‑on leadership, shaping AI development across multiple teams while maintaining production‑grade systems and governance within a regulated environment.

The role focuses on Generative AI, LLMs, RAG and agentic architectures, with practical use of LangChain, LangGraph, vector databases and Claude Code.