DWH QA Tester (Snowflake & AWS)

• Proven experience in automation, data warehouse testing , with a focus on Snowflake and AWS .
• Strong proficiency in SQL for querying, testing, and validating large datasets
• Familiarity with Snowflake-specific features such as Time Travel, zero-copy cloning, and scaling performance.
• Quickly understand and integrate into the existing data warehouse architecture and workflows.
• Create and support for automating data validation processes in Snowflake

Nice-to-have knowledge and experience

• Python
• Javascript/Typescript
• Playwright

For our Client from banking industry we are looking for DWH QA Tester (Snowflake&AWS)

Start date: 1.10.2026

Possible locations: Gdańsk/Gdynia. Warsaw and Łódź can be considerd as well. Hybrid setup: 2 days int he office per week. It can be increased to 3 days.

,[A highly skilled QA Tester with experience in automation and Data Warehouse testing, specifically within the Snowflake platform, who can deliver immediate results, experienced in working with AI tools., Automation tester should be able to quickly integrate into ongoing data testing processes, validate complex data flows, ensure data accuracy, and collaborate with development teams to meet project deadlines., This role requires a strong background in data warehouse testing, SQL expertise, dbt testing and experience with Snowflake.] Requirements: Quality assurance, Testing, Test strategy, Agile, SQL, Snowflake, AWS, Data warehouse, Test automation, Time Travel, zero-copy cloning, Python, Javascript/Typescript, Playwright Additionally: Sport subscription, Private healthcare, International projects.