QA / Test Engineer – Data in Manchester

QA / Test Engineer – Data in Manchester

Manchester Full-Time No working from home possible
Chroma Recruitment

Salary: £? - ? per year

Requirements

  • 3+ years experience in QA, Test Engineering, or Data Quality Engineering within data platform environments
  • Strong SQL skills, including complex query writing for reconciliation and validation
  • Experience building automated testing frameworks in modern data stacks such as dbt, Great Expectations, Soda, or Python-based frameworks
  • Hands‑on experience with at least one modern cloud data warehouse, with Snowflake preferred
  • Experience integrating tests into CI/CD pipelines such as GitHub Actions or Azure DevOps
  • Strong understanding of data validation, transformation testing, and reconciliation methodologies
  • Comfortable working with Git‑based workflows and pull request processes
  • Strong written communication and defect documentation skills
  • High attention to detail with a pragmatic, delivery‑focused mindset
  • Must have the right to work in the UK without sponsorship
  • Desirable: experience supporting data migration or modernisation programmes
  • Desirable: background in reconciling legacy warehouse platforms such as MSSQL, Oracle, or Teradata with cloud‑based platforms
  • Desirable: Python for test automation
  • Desirable: experience testing downstream BI outputs such as Power BI
  • Desirable: ISTQB or equivalent certification
  • Desirable: exposure to data observability tools such as Monte Carlo, Bigeye, or Elementary
  • Desirable: experience in retail, hospitality, e-commerce, or other high‑volume transactional environments

Responsibilities

  • Design and execute testing strategies across our modern data platform, including unit, regression, reconciliation, and data quality testing
  • Build and maintain dbt test frameworks, including generic, singular, and custom tests
  • Develop automated reconciliation suites comparing outputs between legacy warehouse environments and our new cloud‑based outputs at row, column, and aggregate levels
  • Embed testing into CI/CD pipelines to prevent defects reaching production
  • Define and own our wider data quality framework, including monitoring, alerting, and remediation processes
  • Translate business requirements into testable and automated validation criteria
  • Investigate and document data quality issues identified through monitoring or business users
  • Maintain regression coverage for critical business reporting datasets
  • Promote testing best practices across engineering teams, improving test coverage and code quality
  • Support release sign-off and contribute to go/no-go deployment decisions
  • Partner with business stakeholders during UAT cycles to ensure successful delivery

Technologies

  • Azure
  • CI/CD
  • Cloud
  • Data Warehouse
  • DevOps
  • Fivetran
  • Git
  • GitHub
  • ISTQB
  • Support
  • Oracle
  • Power BI
  • Python
  • SQL
  • Snowflake
  • dbt
  • UX UI Design
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Chroma Recruitment

Contact Details:

Chroma Recruitment Recruitment Team