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Senior Machine Learning Engineer

London Stock Exchange

Skills

Required

  • Python development
  • LLM
  • agent frameworks
  • agentic reasoning patterns
  • FastAPI
  • REST API design and

Preferred

  • Model Context Protocol MCP
  • server and tool patterns
  • prompt engineering
  • RAG‑based architectures
  • Containerisation
  • Kubernetes‑based deployment
  • MCP

LSEG's Corporate Engineering AI team as a Senior Machine Learning Engineer. In this role, you will be at the forefront of scaling safe, high-quality AI capabilities across the enterprise. You will work on core AI platforms, including LSEG AI Assist and the Question Answering Service (QAS), and contribute to the development of a production-grade agentic AI platform.

Responsibilities

  • Your responsibilities will include designing and building MCP servers and tools, implementing Skills, and shaping the developer experience for MCP and Skills.
  • You will collaborate with product teams, Quality Engineers, and SREs to ensure solutions meet quality, governance, and operational readiness expectations.
  • Conception et construction de serveurs MCP et d'outils qui exposent les systèmes et les flux de travail de l'entreprise aux agents d'IA.
  • Mise en œuvre de compétences qui orchestrent les outils, les données et le raisonnement en flux de travail répétables et régis.
  • Collaboration avec les équipes produit dans une capacité de "construction pour", transfert de connaissances et établissement de modèles réutilisables.

Requirements

  • Strong Python development experience
  • Hands‑on experience with LLM and agent frameworks and agentic reasoning patterns
  • FastAPI and REST API design and implementation experience
  • Ability to work across platform, product, and governance boundaries in an enterprise environment

Preferred

  • Practical understanding of Model Context Protocol (MCP), including server and tool patterns
  • Experience with prompt engineering and RAG‑based architectures
  • Containerisation and Kubernetes‑based deployment experience