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December 17, 2025

Senior Data Engineer (Snowflake)

Senior • Remote

$160 - $180/

Warsaw, Poland

SNI is serving as a trusted IT Outsourcing partner in line with the needs of World's most prestigious firms and carried out successful projects worldwide.


Key Responsibilities:


  • Design, build, and maintain scalable data models and transformation pipelines using DBT on Snowflake.

  • Develop efficient, maintainable PL/SQL code for complex data processing and transformation logic.

  • Collaborate closely with data analysts, data scientists, and business stakeholders to gather requirements and deliver high-quality data solutions.

  • Optimize Snowflake performance through query tuning, clustering strategies, and effective warehouse/resource management.

  • Ensure data quality, consistency, and governance by implementing testing, documentation, and monitoring best practices.

  • Participate in code reviews, architecture discussions, and continuous improvement initiatives.

  • Build, maintain, and enhance CI/CD pipelines supporting DBT projects and Snowflake deployments.



Skills:


  • 5+ years of experience in data engineering or a related role.

  • Strong hands-on experience with DBT (modular SQL development, testing, documentation).

  • Proven expertise in Snowflake, including data warehousing concepts, performance tuning, and security features.

  • Advanced knowledge of PL/SQL, with experience in stored procedures, functions, and packages.

  • Solid understanding of data modeling principles (star and snowflake schemas, normalization).

  • Experience with version control systems (e.g., Git) and CI/CD practices.

  • Familiarity with data orchestration tools such as Airflow, dbt Cloud, or Prefect is a plus.



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