Data Engineer – Data Lake (f/m/x)

Technologies we use

About the project

Your responsibilities

• Designing and developing scalable data pipelines for batch and real-time data processing
• Building and optimizing Data Lake architecture for analytical use cases
• Integrating multiple data sources and ensuring seamless data flow across systems
• Ensuring data quality, consistency, and governance (data lineage, access control)
• Optimizing storage and processing performance using modern data formats and partitioning strategies
• Monitoring, troubleshooting, and improving data pipeline performance
• Collaborating with stakeholders to translate business needs into technical solutions
• Following best practices in data engineering and continuously improving the platform

Our requirements

• At least 5 years of experience in Data Engineering or Big Data-related roles
• Proficiency in Python, Scala, or Java
• Hands-on experience with tools such as Apache Spark, PySpark, or similar frameworks
• Previous work with Data Lake technologies, e.g., AWS S3, Azure Data Lake, Databricks, BigQuery
• Knowledge of ETL/ELT processes and orchestration tools, e.g., Airflow, Data Factory
• Good understanding of SQL and data modelling
• Experience with distributed systems and large-scale data processing
• Familiarity with Docker and Kubernetes
• Strong analytical and problem-solving skills
• Fluent in Polish and English required
• Residing in Poland required

Optional

• Experience with streaming technologies (e.g., Kafka)
• Knowledge of data governance tools
• Familiarity with CI/CD processes in data projects

What we offer

• Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
• Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
• We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
• Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
• Comfortable workplace – class A offices or remote work
• Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
• PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
• Investment in your growth – meetups, webinars, training platform and technology blog – you choose
• Fantastic atmosphere created by all Sii Power People