Senior Data Testing & Quality Lead (Risk Intelligence)

LSEG; Cape Town; On-site; ZAR 1,000,000 - 1,400,000; Full time

Job summary

London Stock Exchange Group (LSEG) invites applications for an Agentic Data Testing Manager within the Risk Intelligence Data Management & Governance team in Cape Town. You will co-own pre-production data assurance, design testing scenarios, and drive data quality improvements across deterministic and agentic pipelines prior to production release.

Collaborate with teams in Cape Town, India and Gdynia, implement Data Assurance Testing, develop CDA test plans and scorecards, and contribute to the

Qualifications

• 5+ years in Data Testing, QA or Data Engineering.
• Strong experience in data regression testing and large-scale data validation.
• Experience with AI/LLM evaluation techniques (golden datasets, semantic testing).
• Strong analytical and problem-solving skills.

Responsibilities

• Analyze data to be tested and/or agent performance (HiTL rates, confidence scores).
• Define CDA testing scenarios, test cases and scorecards based on business priorities.
• Propose and innovate testing approaches using deterministic and AI methods including evals to prove/disprove feasibility.
• Generate production test data sets (Golden, representative etc.) to ensure sufficient confidence.
• Produce, lead and continuously improve synthetic data for testing in lower environments.
• Raise requirements to BAs to enable data testing plan execution and enhance speed and effectiveness.
• Produce and implement data testing plans in the data environment for roadmap deliveries.
• Collaborate with content SMEs to gather rapid feedback on each test cycle.
• Raise Risks, Dependencies, Assumptions and Issues to Program Management.
• Implement Data Assurance Testing and regression testing, report results via Scorecards.
• Conduct data lineage validation and hand over to Data Quality manager for post-production monitoring.

Skills

Data testing

QA

Data engineering

AI/LLM evaluation

Data regression testing

Data quality

Job description

London Stock Exchange Group (LSEG) invites applications for an Agentic Data Testing Manager within the Risk Intelligence Data Management & Governance team in Cape Town. You will co-own pre-production data assurance, design testing scenarios, and drive data quality improvements across deterministic and agentic pipelines prior to production release.

Collaborate with teams in Cape Town, India and Gdynia, implement Data Assurance Testing, develop CDA test plans and scorecards, and contribute to the