Data Engineer Retail Media (m/f/d)

Schwarz Digits creates the technological foundation for digital sovereignty in Europe. As the IT and digital division of the Schwarz Group, we develop and manage the IT infrastructures for the retail divisions Lidl and Kaufland, as well as Schwarz Production and PreZero. At the same time, we operate as an independent provider in the external market to support companies across Europe in their digital transformation.

We bundle our core services in the areas of Cloud, Cyber Security, Data & AI, Communication, and Workspace.Join us and contribute to digital sovereignty in Europe. With us, you will work at the intersection of agility and security: You will benefit from fast decision-making processes, enjoy genuine creative freedom in your projects, and be able to build upon the stable foundation of the Schwarz Group. Your Tasks Work in a cross-functional product team to design and implement data centered features for Europe’s largest Ad NetworkHelp to scale our data stores, data pipelines and ETLs handling terabytes of one of the largest retail companiesDesign and implement efficient data processing workflowsExtend our reporting platform for external customers and internal stakeholders to measure advertising performanceContinue to develop our custom data processing pipeline and continuously search for ways to improve our technology stack along our increasing scaleWork with machine learning engineers and software engineers, to build and integrate fully automated and scalable reporting, targeting and ML solutionsYou will work in a fully remote setup but you will meet your colleagues in person in the company and engineering specific onsite events Your Profile 3+ years of professional experience working on data-intensive applicationsFluency with Python and good knowledge of SQLExperience with developing scalable data pipelines with Apache SparkGood understanding of efficient algorithms and know-how to analyze themCuriosity about how databases and other data processing tools work internallyFamiliarity with gitAbility to write testable and maintainable code that scalesExcellent communication skills and a team-player attitude