QA Engineer (Knowledge of the Czech language needed)

QA Engineer – Data Warehouse & BI Testing
 

We are looking for a QA Engineer to join our Data Analytics team and ensure the reliability of the data that informs key business decisions. In this position, you will focus not only on testing but also on validating that the insights driving our business are trustworthy and accurate. Your contributions will directly support teams across the company, enabling faster and more confident decision-making.
 

What you’ll do:

• Conduct thorough validation of data transformations and integration workflows to ensure correctness and completeness.
• Review and verify BI reports and dashboards, including calculations, aggregations, and visual presentation.
• Collaborate with developers to identify, troubleshoot, and resolve data issues.
• Participate in requirement discussions to understand business needs and define the scope of testing.
• Develop and maintain detailed test plans, test scenarios, and scripts for data and reporting projects.
• Record and track defects, ensuring they are resolved and documented appropriately.
• Assist with User Acceptance Testing (UAT) and work with business users to confirm data accuracy.
• Support the creation of testing standards and best practices for data projects.
   

Required qualifications:

• Minimum 3 years of experience in manual testing.
• At least 1 year of hands-on experience with Data Warehouses (essential).
• Strong SQL skills and understanding of database testing concepts.
• Experience designing and executing test cases.
• Knowledge of BI tool testing, preferably Power BI.
• Strong analytical skills and attention to detail.
• Good teamwork and communication skills.
• Knowledge of the Czech language (written and spoken)
   

Will be a plus:

• Understanding of data warehousing testing approaches.
• Familiarity with test automation tools or frameworks.
• Experience with Snowflake, DBT, or similar data transformation platforms.