At a Glance
- Tasks: Lead the development of cutting-edge AI platforms and tools for enterprise use.
- Company: Join a leading financial services company driving innovation in AI technology.
- Benefits: Attractive salary, flexible working options, and opportunities for professional growth.
- Other info: Collaborative environment with a focus on innovation and career advancement.
- Why this job: Be at the forefront of AI technology and make a significant impact across the organisation.
- Qualifications: Strong Python skills and experience with AI frameworks and deployment.
The predicted salary is between 63000 - 77000 £ per year.
Responsibilities
- 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.
- CE AI owns and operates core AI platforms including LSEG AI Assist, the Question Answering Service (QAS), and the Internal MCP Gateway.
- The team enables product engineering groups across LSEG to expose knowledge, data, and actions to AI agents in a consistent, governed, and repeatable way.
- 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.
- This programme delivers an LSEG‑owned, production‑grade agentic AI platform with MCP as its extensibility layer.
- Building and operating LSEG AI Assist, an in‑house agentic experience capable of reasoning, planning, and tool‑calling.
- Operating QAS, the enterprise RAG and search layer used to ground agent responses in approved data sources.
- Delivering a production Internal MCP Gateway providing discovery, security, policy enforcement, observability, and lifecycle management for MCP tools and Skills.
- Designing and building MCP servers and Skills that expose internal and vendor systems safely to agents.
- Establishing evaluation, quality control, and governance mechanisms so MCP tools and Skills can be promoted through PTB/PTO and operated with confidence at scale.
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.
Lead Machine Learning Engineer in London employer: London Stock Exchange
The London Stock Exchange is an exceptional employer, offering a dynamic work environment that fosters collaboration and innovation. With a strong focus on employee growth, we provide ample opportunities for professional development and career advancement, all while being part of a prestigious institution located in the heart of London. Our inclusive culture values diverse perspectives, ensuring that every team member can contribute meaningfully to our mission of driving brand impact and achieving outstanding results.
We think you need these skills to ace Lead Machine Learning Engineer in London
Python Development
LLM and Agent Frameworks
Agentic Reasoning Patterns
Model Context Protocol (MCP)
FastAPI
REST API Design and Implementation
Prompt Engineering
