Test Lead

Company: Mastek
Apply for the Test Lead
Location: London
Job Description:

About the job

Role requirements:

  • Collaborate with data engineers to understand ETL/ELT processes using ADF and Databricks.
  • Develop test plans and test cases for data pipelines, including transformation logic validation and end-to-end data flow.
  • Validate data accuracy, completeness, and consistency across systems (e.g., landing, staging, transformation, and reporting layers).
  • Implement automated data quality and validation tests.
  • Perform regression, integration, and performance testing on data workflows.
  • Participate in code reviews, defect triaging, and sprint planning sessions.
  • Monitor data pipeline executions and investigate test failures or anomalies.
  • Document test results, defects, and quality metrics.

Preferred qualifications:

  • Experience with PySpark or notebooks in Databricks.
  • Exposure to Azure DevOps, Unit Testing frameworks, or Great Expectations for data testing.
  • Knowledge of data warehousing or medallion architecture (bronze, silver, gold layers).
  • Experience with data visualization tools (e.g., Power BI) is a plus.

Posted: May 7th, 2025