Senior Middle Data Engineer

4 tygodni temu


Warszawa, mazowieckie, Polska N-iX Pełny etat 7 zł

Position Overview:

As a Senior/Middle Data Engineer, you will support the migration of legacy on-premises SQL Server data warehouse to a cloud-based Snowflake environment. The project involves integrating various data sources, refactoring ETL processes, and ensuring efficient, reliable data movement for analytics and reporting.


Responsibilities:

  • Build and modify data pipelines to migrate data from SQL Server and other databases (Azure SQL, Oracle, Aurora) to AWS S3 and Snowflake.

  • Refactor legacy ETL jobs (SSIS, Transact-SQL) for use in cloud environments.

  • Implement data transformations and staging using dbt and/or similar tools.

  • Optimize the performance and costs of cloud data processing and storage.

  • Work collaboratively with client’s and N-iX engineers, ensuring smooth handoff and documentation.

  • Participate in QA, testing, deployment, and post-migration validation.

Must-Have Technologies

  • Experience with cloud data warehouse technologies, including Snowflake and AWS S3.

  • Solid SQL skills; experience migrating legacy environments to cloud platforms.

  • Familiarity with ETL frameworks and tools (preferably SSIS, dbt).

  • Proficiency in Python for data pipeline development and automation.

  • Strong documentation and communication skills; able to work in cross-functional teams.

Nice to have:

  • Prior experience in large-scale data migration projects.

  • Background working with varied database platforms (SQL Server, Oracle, PostgreSQL, MySQL).

  • Knowledge of reporting platforms such as Looker is a plus.


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