Lead ML Engineer
London Stock Exchange Group3 months ago
London, United KingdomStaff+
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 LSEG AI Assist, including planning, tool-calling, and orchestration logic.
- Build secure API wrappers for backend systems lacking suitable authentication or entitlement models.
- Work with product teams in a build-for capacity while transferring knowledge and establishing reusable patterns.
- Shape the MCP and Skills developer experience through templates, contribution guidance, and standards.
- Collaborate with Quality Engineers and SREs on quality, governance, and operational readiness.
Requirements
- Strong Python development experience.
- Hands-on experience with LLM and agent frameworks and agentic reasoning patterns.
- Practical understanding of Model Context Protocol, including server and tool patterns.
- Experience designing and implementing FastAPI and REST APIs.
- Experience with prompt engineering and RAG-based architectures.
- Experience with containerized and Kubernetes-based deployments.
- Ability to work across platform, product, and governance boundaries in an enterprise environment.
Benefits
- Healthcare, retirement planning, paid volunteering days, and wellbeing initiatives.
- Collaborative and creative culture with opportunities to contribute ideas.
- Equal-opportunity employer with reasonable accommodation for religious practices, mental health needs, and physical disabilities.
Tech Stack
Categories
About London Stock Exchange Group
London Stock Exchange Group (LSEG) provides market infrastructure, financial data, and analytics to banks, asset managers, and corporations. Its businesses span capital markets (London Stock Exchange), post-trade clearing (LCH), and information services including FTSE Russell indices and the Refinitiv data platform, funded by transaction fees, subscriptions, and licensing. Headquartered in London and publicly listed on the LSE, the group serves global customers seeking trading, clearing, benchmarks, and enterprise data solutions.