Lead ML Engineer, AI Platform & Governance

United States Digital Space LLC; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

London Stock Exchange Group (LSEG) is seeking an ML Engineers Manager to lead the Corporate Engineering AI (CE AI) team in London. The role focuses on scaling safe, high-quality AI capabilities across the enterprise by delivering shared platforms, governance, and tooling for AI agents.

You will design MCP-based MCP servers and skills, enable self-service contribution, and collaborate with cross-functional teams to drive enterprise-wide adoption of AI platforms and secure, scalable solutions.

Qualifications

• Strong Python development experience.
• Hands-on experience with LLM and agent frameworks and agentic reasoning patterns.
• Practical understanding of Model Context Protocol (MCP), including server and tool patterns.
• FastAPI and REST API design and implementation experience.
• Experience with prompt engineering and RAG-based architectures.
• Containerisation and Kubernetes-based deployment experience.
• Ability to work across platform, product, and governance boundaries in an enterprise environment.

Responsibilities

• Design and build MCP servers and tools that expose enterprise systems and workflows to AI agents.
• Implement Skills that orchestrate tools, data, and reasoning into repeatable, governed workflows.
• Contribute to the LSEG AI Assist agentic harness, including planning, tool-calling, and orchestration logic.
• Build secure API wrappers where backend systems lack suitable authentication or entitlement models.
• Work closely with product teams in a “build for” capacity, transferring knowledge and establishing reusable patterns.
• Shape the developer experience for MCP and Skills, including templates, contribution guidance, and standards.
• Collaborate with Quality Engineers and SREs to ensure solutions meet quality, governance, and operational readiness expectations.

Skills

Python development

LLM frameworks

MCP knowledge

FastAPI

REST API design

Prompt engineering

Containerisation

Kubernetes deployment

Job description

London Stock Exchange Group (LSEG) is seeking an ML Engineers Manager to lead the Corporate Engineering AI (CE AI) team in London. The role focuses on scaling safe, high-quality AI capabilities across the enterprise by delivering shared platforms, governance, and tooling for AI agents.

You will design MCP-based MCP servers and skills, enable self-service contribution, and collaborate with cross-functional teams to drive enterprise-wide adoption of AI platforms and secure, scalable solutions.