# Quality Engineers

**Company**: London Stock Exchange Group (LSEG)
**Experience**: senior
**Job type**: full-time
**Category**: Engineering
**Industry**: Finance

**Apply**: https://lseg.wd3.myworkdayjobs.com/en-US/Careers/job/GBR-London-10-Paternoster-Square/Machine-Learning-Quality-Engineer_R0120981-1?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_b7b3c805-d05

## Description

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.

The Quality Engineers will be responsible for:

- Defining and implementing evaluation frameworks for MCP tools and Skills covering correctness, safety, and regression impact.

- Building and maintaining automated test pipelines for agentic behaviours, including tool invocation and multi-step workflows.

- Evaluating and mitigating agentic failure modes such as hallucination, tool misuse, invalid inputs, and latency amplification.

- Producing testing evidence required for Permit to Build (PTB) and Permit to Operate (PTO).

- Partnering with ML Engineers to embed testability and evaluation hooks into MCP servers and Skills.

- Helping define the long-term quality and governance model for federated MCP contributions across LSEG.

The ideal candidate will have:

- Strong Python experience for test harnesses and automation.

- Experience with LLM and RAG evaluation frameworks or custom evaluation pipelines.

- Test automation expertise covering unit, integration, and regression testing.

- Understanding of agentic system risks and failure modes.

- Ability to assess solutions against governance, security, and audit expectations.

- Experience working in regulated or highly governed engineering environments.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days, and wellbeing initiatives.

## Skills

### Required
- Python
- LLM
- RAG
- test automation
- agentic system risks

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Source: [Apply at lseg.wd3.myworkdayjobs.com](https://lseg.wd3.myworkdayjobs.com/en-US/Careers/job/GBR-London-10-Paternoster-Square/Machine-Learning-Quality-Engineer_R0120981-1?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)