Senior ML Engineer

London, England, GBFull-time2026-11-02 → 2026-11-10

Core

Design and build MCP servers and tools to expose enterprise systems to AI agents, implementing orchestration skills and secure API wrappers for LSEG's internal agentic AI ecosystem.

Role type

Senior IC ML Engineer (Agentic AI / MCP)

Builds

LSEG AI Assist agentic harness, QAS RAG/search layer, Internal MCP Gateway, and MCP servers/Skills for enterprise systems.

Domain

Financial markets infrastructure / Agentic AI / Model Context Protocol

Deliverable

production ML models

Required skills

Python, LLM and agent frameworks, Model Context Protocol (MCP), FastAPI, REST API design, prompt engineering, RAG architectures, Kubernetes

Preferred skills

Enterprise platform governance, developer experience design, cross-functional collaboration

Technologies

Python, FastAPI, Kubernetes, LLM frameworks, MCP

Responsibilities

Design and build MCP servers and tools; Implement Skills for orchestration; Contribute to LSEG AI Assist planning and tool-calling; Build secure API wrappers; Shape developer experience for MCP and Skills; Collaborate with Quality Engineers and SREs.

About London Stock Exchange Group

LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a commitment to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, handle risk and create jobs. It's how we've contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehens