Lead Machine Learning Engineer

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• 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
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• CE AI owns and operates core AI platforms including LSEG AI Assist, the Question Answering Service (QAS), and the Internal MCP Gateway. Rather than delivering individual business use cases end‑to‑end, the team enables product engineering groups across LSEG to expose knowledge, data, and actions to AI agents in a consistent, governed, and repeatable way
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• The team operates a Central MCP Delivery model: building critical MCP tools and services “for” product teams where required, while simultaneously defining standards, patterns, and platform capabilities that allow teams to progressively move towards self‑service contribution
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• This programme delivers an LSEG‑owned, production‑grade agentic AI platform with MCP as its extensibility layer
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• Building and operating LSEG AI Assist, an in‑house agentic experience capable of reasoning, planning, and tool‑calling
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• Operating QAS, the enterprise RAG and search layer used to ground agent responses in approved data sources
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• Delivering a production Internal MCP Gateway providing discovery, security, policy enforcement, observability, and lifecycle management for MCP tools and Skills
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• Designing and building MCP servers and Skills that expose internal and vendor systems safely to agents
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• Establishing evaluation, quality control, and governance mechanisms so MCP tools and Skills can be promoted through PTB/PTO and operated with confidence at scale
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• Strong Python development experience
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• Hands‑on experience with LLM and agent frameworks and agentic reasoning patterns
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• Practical understanding of Model Context Protocol (MCP), including server and tool patterns
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• FastAPI and REST API design and implementation experience
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• Containerisation and Kubernetes‑based deployment experience
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• Experience with prompt engineering and RAG‑based architectures
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• Ability to work across platform, product, and governance boundaries in an enterprise environment
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