Technologies-expected : Scala Spark Data Mapping Python GIT Hadoop technologies-optional : Java about-project : We are looking for a skilled Data Engineer with 3–5 years of experience in Spark/Scala and the Hadoop ecosystem. The ideal candidate will have a solid foundation in data processing, integration, and continuous delivery pipelines. If you enjoy collaborating with teams, solving complex technical challenges, and ensuring high-quality data solutions, this role is perfect for you! responsibilities : Developing technical solutions in line with organizational standards and best practices Participating in the integration of Datalake use cases into the Information System architecture Identifying potential risks in cost or timelines and proposing pragmatic solutions to mitigate them Developing and implementing data collection, processing workflows, and data mapping using Spark/Scala Improving and maintaining continuous delivery pipelines using tools like Jenkins, Sonar, and Kubernetes Conducting code reviews and ensuring adherence to quality standards requirements-expected : Proficiency in Spark and Scala, with hands-on experience in the Hadoop stack - Hive, HDFS, Sqoop, Oozie, etc. Basic knowledge of Jenkins, Git, Python/Java, and SQL Strong problem-solving and analytical skills Ability to plan and prioritize tasks effectively in a dynamic environment Solid communication skills and a team-oriented mindset A focus on ensuring product quality, testing strategy adherence, and technical maintenance offered : 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 EUR 410 M, no debts, since 2006 on the market We share the profit with Workers - last year we allocated PLN 21 M to this benefit 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