QA Automation Engineer - Data engineering area NEW Expert/Team Leader

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

Salary:1000 - 1200 PLN/day on B2B

Work model: hybrid from Gdańsk / Warszawa / Łódź (2/3 days per week from the office)

Why choose this offer?

• You can expect a flexible work organization
• The international work environment will give you the opportunity to interact with the English language on a daily basis
• Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit)
• The Jit community will bring you a nice time duringregular integration meetings

Project

We are looking for a QA Automation Tester with strong experience in Data Warehouse testing , Snowflake , and test automation to join an ongoing data-driven project.

The role requires a professional who can quickly integrate into existing testing processes, validate complex data flows, ensure data quality, and collaborate closely with development teams. We are looking for someone capable of delivering value from day one and experienced in working with modern AI-powered tools.

Responsibilities you'd have

• 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 stakeholdersIdentify, 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

Expected competences and knowledge

• Proven experience in QA Automation Testing
• Strong experience inData Warehouse Testing
• Hands-on experience withSnowflake
• Experience working withinAWS environments
• Advanced knowledge ofSQL for querying, validating, and testing large datasets
• Experience withdbt 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

Nice-to-have

• Python
• TypeScript
• Playwright

Technologies you'll work with

• Snowflake
• SQL
• AWS
• dbt
• Test Automation Frameworks
• AI-powered Productivity Tools

Client – why choose this particular client from the Jit portfolio?

Jit Team has had an over-decade-long relationship with the leading financial group in the Nordic countries, and we are privileged to be our client's premier partner in Poland. At present, over 200 Jit personnel are engaged in the completion of more than 60 projects for this Norwegian major provider of financial services with a global presence and a strong focus on modern technology. Our customer's work atmosphere is epitomized by the Scandinavian culture, which is conducive to people who place emphasis on work-life balance and feedback culture. Furthermore, all projects are executed in international teams, giving constant exposure to the English language.

About Jit Team

The Human Factor of IT - it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts , to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams.

Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.