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.

Zakres obowiązków

• 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.

Wymagania

• 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

Tech stack

• Quality assurance
• Testing
• Test strategy
• Agile
• SQL
• Snowflake
• AWS
• Data warehouse
• Test automation
• Time Travel
• zero-copy cloning
• Python
• Javascript/Typescript
• Playwright