QA Automation Engineer — Data Warehouse & Snowflake Testing

Jit Team; Warszawa, Łódź; Hybrid; PLN 185,000 - 221,000; Full time

Benefits offered by this job

Remote-friendly

Job summary

Jit Team is seeking a QA Automation Tester to join an ongoing data-driven project. The role focuses on Data Warehouse testing, Snowflake, and test automation within an AWS-enabled data environment.

You will validate data pipelines, ensure data quality, and collaborate closely with developers and business stakeholders. The ideal candidate will quickly integrate into existing testing processes, deliver value from day one, and leverage AI-powered tools to boost testing efficiency.

Qualifications

• Proven experience in QA Automation Testing.
• Strong experience in Data Warehouse Testing.
• Hands-on experience with Snowflake.
• Experience working within AWS environments.
• Advanced knowledge of SQL for querying, validating, and testing large datasets.
• Experience with dbt testing.
• Understanding of data pipeline validation and ETL/ELT testing.
• Knowledge of Snowflake features including: Time Travel, Zero-Copy Cloning, Performance Scaling.
• Strong analytical and problem-solving skills.
• Excellent communication and collaboration skills.
• Experience working with AI tools.
• Ability to quickly understand existing architectures and workflows.

Responsibilities

• Design, execute, and maintain automated tests for Data Warehouse solutions.
• Validate complex data pipelines and data transformations within Snowflake.
• Perform data quality, integrity, and reconciliation testing.
• Develop and maintain automated data validation frameworks.
• Execute SQL-based testing and verification of large datasets.
• Collaborate with developers, data engineers, and business stakeholders to identify, document, and track defects.
• Support release activities and ensure high-quality deliveries.
• Analyze testing results and provide recommendations for improvements.
• Utilize AI-powered tools to improve testing efficiency and productivity.

Skills

QA Automation Testing

Data Warehouse Testing

Snowflake

AWS

SQL

dbt testing

ETL/ELT testing

Job description

Jit Team is seeking a QA Automation Tester to join an ongoing data-driven project. The role focuses on Data Warehouse testing, Snowflake, and test automation within an AWS-enabled data environment.

You will validate data pipelines, ensure data quality, and collaborate closely with developers and business stakeholders. The ideal candidate will quickly integrate into existing testing processes, deliver value from day one, and leverage AI-powered tools to boost testing efficiency.