QA Lead, Data Platform – Elevate Data Quality

Kaluza; Greater London; On-site; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Time off and family: 26 days’ holiday,

Health and security: Private medical,

Job summary

Kaluza is seeking a QA Lead for the Data Org to define testing approaches and quality standards. You will partner with Data Engineering, Product, and clients to ensure changes meet the required quality bar before reaching client environments.

This role emphasizes test-first delivery, data quality checks (completeness, accuracy, consistency, timeliness), and collaboration with cross-functional teams to drive improvements and measurable quality outcomes.

Qualifications

• Proven QA and testing experience with QA strategies, test plans and scripts for complex software.
• Agile, cross-functional delivery with a test-first mindset.
• Data testing methods and SQL proficiency for large datasets.
• Quality metrics, dashboards and reporting for stakeholders.
• Strong collaboration and written/verbal communication skills.
• Ability to influence engineers and leadership on quality standards.
• Experience with client delivery and reporting quality metrics.
• Nice to have: test automation frameworks, CI/CD gates, AI tools for data issues, governance awareness, Python and visualization tools.

Responsibilities

• Define and own the test strategy and test plans for the Data Org, based on risk and impact.
• Create and deliver test plans for complex data systems covering functional, transformation, schema, and ETL testing.
• Set quality gates for promotions to client environments and assess release readiness.
• Ensure defects are logged, triaged, prioritized, and tracked to resolution.
• Select and maintain testing tools with automated checks in CI/CD.
• Work with delivery teams and clients to support test data queries and releases.
• Influence engineers and leadership to adopt a test-first mindset and uphold quality standards.
• Report progress, quality trends, and risks to stakeholders; raise blockers early.
• Maintain documentation of quality standards, coverage and decisions.
• Act as SME on data testing and data quality checks.

Skills

QA & testing experience

Agile delivery

Data testing & SQL

Quality metrics & reporting

Collaboration & communication

Influence & coaching

Client delivery metrics

Test automation frameworks

CI/CD quality gates

Python & visualization tools

Tools

Power BI

Looker

Python

Job description

Kaluza is seeking a QA Lead for the Data Org to define testing approaches and quality standards. You will partner with Data Engineering, Product, and clients to ensure changes meet the required quality bar before reaching client environments.

This role emphasizes test-first delivery, data quality checks (completeness, accuracy, consistency, timeliness), and collaboration with cross-functional teams to drive improvements and measurable quality outcomes.