About the project

• Join our Team – the largest Testing Services Center in Poland, created by testers for testers, in a company routinely awarded with Great Place to Work awards.
• We help our employees identify, use, and grow their strengths by providing interesting projects and constant access to knowledge through our own training platform, webinars, a unique mentoring program, and experience exchange within our Community.

Your responsibilities

• Testing ETL processes and ensuring data quality
• Creating SQL queries and scripts
• Testing reports and dashboards in tools such as Power BI, Tableau
• Verifying data and business logic (DAX, semantic models)
• Preparing test documentation
• Collaborating closely with data and analytics teams

Our requirements

• At least 3 years of professional experience in data, reporting, or BI testing
• Proficiency in writing SQL queries
• Ability to validate reports and models
• Good skills in test documentation (creating test cases, scripts)
• Fluency in English and Polish

Optional

• DAX knowledge
• Experience with SSIS, DBT, Azure, Snowflake

Technologies we use

What we offer

• Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas

• Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market

• We share the profit with Workers - over PLN 60M has already been allocated for this aim since 2022

• Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more

• Comfortable workplace – class A offices or remote work

• Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application

• PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers

• Investment in your growth – meetups, webinars, training platform and technology blog – you choose

• Fantastic atmosphere created by all Sii Power People