Your responsibilities, Design, develop, and maintain scalable data pipelines and processing systems, Build efficient solutions for collecting, transforming, and integrating data from diverse sources, Translate business and analytical needs into technical requirements and data models, Optimize data workflows to ensure high performance, reliability, and resilience, Develop and maintain Spark/Scala-based jobs for data ingestion and transformation, Participate in code reviews and contribute to continuous improvement initiatives, Work collaboratively within an Agile (Scrum) environment, delivering business value in short iterations, Follow best engineering practices such as TDD, BDD, clean coding, and DevOps principles, Create and maintain technical documentation and test plans 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

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Big Data Engineer with Spark/Scala (f/m/x)