Machine Learning Quality Engineer

About the role

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.

What you'll do

• Define and implement evaluation frameworks for MCP tools and Skills covering correctness, safety, and regression impact
• Build and maintain automated test pipelines for agentic behaviours, including tool invocation and multi‑step workflows
• Evaluate and mitigate agentic failure modes such as hallucination, tool misuse, invalid inputs, and latency amplification
• Produce testing evidence required for Permit to Build (PTB) and Permit to Operate (PTO)
• Partner with ML Engineers to embed testability and evaluation hooks into MCP servers and Skills

What you need

• Machine learning
• Python
• LLMs
• Test automation
• Regression testing
• Any graduate