Data Engineer

Office in Krakow!

We’re looking for a Data Engineer to build scalable data infrastructure for a next-generation transactional platform designed to handle millions of concurrent users.

You’ll help build a greenfield lakehouse, develop reliable streaming and CDC pipelines, and ensure data quality, integrity, and performance at scale.

What you’ll do:

• Build lakehouse architecture using Iceberg, Delta, or similar technologies.
• Develop streaming and CDC pipelines with Kafka and Debezium.
• Optimize data storage, partitioning, and query performance.
• Implement data quality monitoring, governance, and data protection.
• Support data migration and ensure reliable data processing.

What we’re looking for:

• 3+ years of Data Engineering experience.
• Hands-on experience with AWS S3 or similar object storage and Snowflake, Databricks, or BigQuery.
• Experience with Iceberg, Delta, or Hudi.
• Knowledge of Kafka, CDC pipelines, and streaming data.
• Strong SQL, data modeling, and Python skills.
• Familiarity with Airflow, Dagster, and data governance practices.
• Ability to work independently and take ownership.

Nice to have: Experience with financial or transactional data, regulated environments, or greenfield data platforms.