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Senior Azure Data Engineer (f/m/x) Miejsce pracy: Warszawa Technologies we use Expected Databricks Cloudera Apache Hadoop Data Lake DataVault Python ADF ETL Oracle Applications Microsoft SQL Server About the project We are looking for an accomplished Senior Azure Data Engineer to support the design, migration, and optimization of large-scale data platforms within regulated industries. This role focuses on leading complex migrations from on-premise environments such as Cloudera and Hadoop to modern Azure-based lakehouse architectures. The position combines hands-on engineering with architectural ownership, automation, and team leadership. The successful candidate will play a key role in delivering scalable, secure, and production-ready data solutions. Your responsibilities Leading end-to-end migration of on-premise data platforms to Azure Databricks Designing lakehouse architectures using medallion principles and Delta Lake Building metadata-driven ingestion, transformation, and data quality pipelines Automating orchestration and deployment through CI/CD pipelines and DevOps tooling Optimizing Spark and PySpark pipelines for performance, reliability, and cost efficiency Mentoring data engineering teams and promoting cloud-native best practices Our requirements At least 5 years of experience in data engineering, including working with large-scale data platforms Strong hands-on experience with Python, PySpark, SQL, and SparkSQL Proven expertise in Azure Databricks, Azure Data Factory, and Delta Lake Solid understanding of ETL/ELT design, medallion architecture, and metadata-driven frameworks Experience with CI/CD pipelines, Azure DevOps, GitHub, Jenkins, and infrastructure as code Willingness to work from the Warsaw office 2–3 days per week Fluent Polish required Residing in Poland required This is how we work on a project Continuous Deployment Continuous Integration 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 Recruitment stages Send your CV Talk to us about your expectations Learn more about our projects and choose the best Start your adventure with Sii! Sii Sp. z o.o. Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 300 professionals and implement projects in a variety of industries for clients from many countries around the world. The Great Place to Work title, won 10 times in a row, proves that at Sii, we create a friendly work environment. Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.