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September 1, 2026

Senior Data Engineer

Senior • On-site

160 - 180 PLN/yr

Gdańsk, PM, Poland

Responsibilities

  • Strong hands-on experience in Microsoft SQL Server and T-SQL.
  • Experience in developing and maintaining ETL packages using SQL Server Integration Services (SSIS).
  • Experience with SQL Server Agent job scheduling and monitoring.
  • Knowledge of version control systems such as Git.
  • Knowledge of the Snowflake cloud-based data platform.
  • Build and maintain data extraction, transformation, and loading processes from multiple source systems.
  • Design, develop, and maintain complex stored procedures, functions, views, and SQL scripts to implement business rules and data transformation logic.
  • Implement data validation and data quality checks within ETL processes.
  • Knowledge of ETL concepts, data warehousing, and dimensional modelling.
  • Manage change and deployment activities.
  • Perform database maintenance activities, including index and query optimization and performance tuning.
  • Strong analytical and problem-solving abilities.

Requirements

  • Strong hands-on experience in Microsoft SQL Server and T-SQL.
  • Proven experience with SQL Server Integration Services (SSIS) for ETL package development and maintenance.
  • Practical experience with SQL Server Agent job scheduling and monitoring.
  • Solid understanding of ETL concepts, data warehousing, and dimensional modelling.
  • Hands-on knowledge of Git or other version control systems.
  • Experience working with the Snowflake cloud data platform.
  • Ability to implement data validation and data quality controls within ETL processes.
  • Experience in database maintenance, query optimization, and performance tuning.
  • Strong analytical and problem-solving skills.
  • Very good command of English, both spoken and written.

Nice to have

  • Knowledge of Generative AI.
  • Knowledge of Machine Learning.

Offer

  • Private medical care.
  • Co-financing for the sports card.
  • Constant support of a dedicated consultant.
  • Employee referral program.

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