Senior Data Engineer
Zabłocie 43A, Kraków
N-iX
N-iX is a global software development company founded in 2002, connecting over 2,400+ tech professionals across 40+ countries. We deliver innovative technology solutions in cloud computing, data analytics, AI, embedded software,IoT, and more to global industry leaders and Fortune 500 companies. Join us to create technology that drives real change for businesses and people across the world.
As a Senior 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.

N-iX is a global software development service company that helps businesses across the globe create mind-blowing software products. Founded in 2002, today we’re a team of 2,200+ tech-savvy professionals working on innova...
Senior Data Engineer
Senior Data Engineer
Zabłocie 43A, Kraków
N-iX