Czym będziesz się zajmować? If you love solving complex data challenges, designing clean data architectures, and ensuring data is ready for analytics and machine learning — we’d love to hear from you!As a Data Engineer, you’ll work in a collaborative, agile environment. You’ll take ownership of designing and implementing data models, data warehouses, and scalable pipelines that enable data-driven decision-making.You’ll work closely with Data Architects, Data Scientists, and Software Engineers to ensure that data is well-structured, accurate, secure, and accessible for business and analytical needs.We expect candidates to be located in one of the following cities: Warsaw, Wroclaw, Lodz, Gdansk or Bialystok.Responsibilities:Building and optimizing data pipelines and ETL/ELT processes using modern orchestration toolsWorking with structured and semi-structured data from multiple sourcesDesigning and developing scalable data models, data marts, and data warehouses that support analytics and reportingEnsuring data quality, lineage, and governance are implemented and maintainedManaging and optimizing data storage solutions (data lakes, data warehouses)Continuously improving performance, reliability, and scalability of data solutions

Kogo poszukujemy? Ideally you have:3+ years in Data Engineering roleSolid Python programming skills for building and maintaining data pipelinesAdvanced SQL skills, including query optimization and performance tuningExperience with ETL/ELT tools and data orchestration frameworks like Apache Airflow, dbtStrong understanding of data modeling principles (dimensional modeling, star/snowflake schemas, normalization/denormalization)Hands-on experience in data warehousing (Snowflake, Redshift)Experience with AWS (S3, Lambda, Kinesis, Batch, DynamoDB, Athena, Glue, etc.)Experience with data processing tools: Spark (Databricks), KafkaUnderstanding of data governance, lineage, and security best practicesFamiliarity with Agile methodologies and working in cross-functional teamsStrong analytical thinking, problem-solving skills, and attention to detailExcellent communication and teamwork skillsStrong verbal and written English communication skillsNice to have:Data Visualization: PowerBI or other data visualization toolsCloud Platforms: Azure, MS Fabric