Data QA Specialist / Data Tester (f/m/x)

Sii Sp. z o.o. is looking for an experienced Data QA Specialist to join a global team focused on data-driven initiatives. You will play a crucial role in ensuring the reliability, accuracy, and consistency of data pipelines and warehouse solutions across various international projects.

Key responsibilities

• Performing comprehensive testing of data solutions, ETL processes, and complex data pipelines.
• Validating data quality, consistency, and accuracy across multiple diverse data sources.
• Executing data warehouse and Snowflake testing activities to ensure high performance.
• Performing data reconciliation and identifying potential data quality issues.
• Collaborating with Data Engineers, Developers, and Business Stakeholders to ensure high-quality data delivery.

Requirements

• At least 3 years of professional experience as a Data QA Engineer, Data Tester, or in a similar role.
• Strong background in data testing, including ETL and data warehouse validation.
• Good knowledge of SQL and practical experience working with Snowflake.
• Proven experience with data reconciliation, data quality checks, and testing data pipelines.
• Ability to adapt quickly to different projects and business domains.

What we offer

• Employment stability within a leading technology consulting company with a strong market position.
• Access to a wide range of fascinating projects for prestigious global brands.
• Attractive benefits package including private healthcare and a benefits cafeteria platform.
• Extensive investment in professional growth through training platforms, webinars, and meetups.
• A supportive and inclusive work environment recognized by the Great Place to Work title.