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From the employer's careers site First seen 28 Oct 2026

ML Engineer

The employer hasn't listed a salary.

Apply on London Stock Exchange Group (LSEG)

Description

The Corporate Engineering AI team is the central enablement and platform delivery function for LSEG's internal agentic AI ecosystem.

The team's mission is to scale safe, high-quality AI capabilities across the enterprise by providing shared platforms, patterns, governance, and delivery support.

The ML Engineer will be responsible for designing and building MCP servers and tools that expose enterprise systems and workflows to AI agents, implementing Skills that orchestrate tools, data, and reasoning into repeatable, governed workflows, and contributing to the LSEG AI Assist agentic harness.

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:

  • 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.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days, and wellbeing initiatives.

Skills

Required

Ready to apply?

You apply with the employer directly. Their original posting is here: https://lseg.wd3.myworkdayjobs.com/en-US/Careers/job/GBR-London-5-Canada-Square/Lead-ML-Engineer_R0120979-1

Apply on London Stock Exchange Group (LSEG)