Data Engineer (m/f/n)

We are looking for a Data Engineer (m/f/n) to join our client’s team.

Key Responsibilities:

• Develop and maintain ELT pipelines from source systems (Cloudera/MinIO) to Amazon S3 and Amazon Redshift.
• Build and maintain data warehouse layers, including Staging, Intermediate, Business View, and Dimensional Models.
• Implement fact tables (Transactional, Accumulating Snapshot, and Periodic Snapshot) and Type 1 & Type 2 Slowly Changing Dimensions based on established data models.
• Develop data transformations using dbt and orchestrate workflows using Apache Airflow.
• Write, optimize, and troubleshoot SQL queries, including inner, self, and outer joins.
• Work with Amazon Redshift for data loading, transformation, and performance optimization.
• Manage and process data stored in Amazon S3 and Apache Iceberg tables on the MinIO platform.
• Support the migration of data pipelines from Cloudera to the MinIO platform.
• Collaborate with architects, data modelers, and business teams to deliver reliable and high-quality data solutions.

Required Skills:

• Amazon S3 and Amazon Redshift
• dbt and Apache Airflow
• Advanced SQL (Inner, Self, Left, Right, and Full Outer Joins)
• Data Warehousing concepts
• Fact and Dimension implementation
• Type 1 & Type 2 Slowly Changing Dimensions
• Kimball Dimensional Modeling (working knowledge)
• Cloudera, MinIO, and Apache Iceberg
• ELT/Data Pipeline Development

What we offer:

• Contract type: B2B with SHIMI.
• Rate: 120 zł/h netto + VAT.
• Type of work: remote.
• End date: 31.12.2027 (optional extension).