DWH QA Tester (Snowflake & AWS)

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.

• 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