Data Tester

Senior Data Tester

Key Responsibilities

8+ years of experience in ETL/data testing

Design, implement, and execute data validation test plans and test cases

Understanding of data modelling and data governance principles

Experience with test automation frameworks and scripting (e.g., Python, Shell)

Conduct thorough ETL testing, including data extraction, transformation, and loading

Validate data integrity across various sources and destinations (data lakes, warehouses, etc.)

Perform data reconciliation and analysis to identify inconsistencies or data quality issues

Develop and maintain automated data testing frameworks using SQL or scripting languages

Strong experience with SQL and writing complex queries for data validation

Knowledge of data warehouse concepts and testing tools

Experience with ETL tools (e.g., Informatica, Talend, SSIS, etc.)

Familiarity with cloud platforms (Azure, GCP) and modern data tools (e.g., Snowflake, BigQuery). GCP is mandatory

Experience in Agile development and working within cross-functional teams

Exposure to BI tools (Power BI, Tableau, Looker)

Familiarity with CI/CD pipelines and version control systems like Git

ISTQB or equivalent testing certifications