ALDI Einkauf SE & Co. oHG | Germany | 45xxx Essen | Temporary contract | Full time / Home office | Published since: 24.10.2026 on stepstone.de
Data Warehouse Developer Big Data Lakehouse (limited to 1.5 years) (m/f/d)
ALDI Nord is one of the leading food retailers. With a tradition of over 110 years, ALDI stands for the invention of the discount principle. Our mission is to provide people everywhere and at any time with what they need for their daily life: qualitative products at low price – simple and fast. This also includes making shopping as easy as possible for our customers. We do our best every day and reinvent ourselves again and again. United talent and commitment – this is the power with which we write success story. Europe-wide in 8 countries with around 5,500 branches and more than 90,000 employees. .
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Your tasks • Your profile • What we offer
Conception, development and optimization of data integration and transformation processes (ETL/ELT) within our Lakehouse architecture Creating and developing data models according to established modeling approaches such as Kimball Development, maintenance and optimization of star and snowflake schemes (fact and dimension models) in a modern big data cloud environment Ensuring and continuous improvement of data quality through suitable testing and monitoring mechanisms Implementation of regular deployments as part of a structured software delivery process Documentation of data models, data flows and transformation processes for internal fields, service providers and users Close cooperation with Business Intelligence Engineers in the development of management dashboards and reporting solutions Working in interdisciplinary project teams to implement data-driven use cases and innovative analysis solutions
Successfully completed studies of (economic) informatics, an STEM subject or a comparable qualification Experience in data modelling (e.g. Star Schema, Data Vault, Third Normal Form) and their implementation in big data and cloud environments Knowledge of modern software development, ideally with: Databricks, Azure Data Lake, SQL, Python, PySpark and Git Experience in building and operating big data platforms on Microsoft Azure, Google Cloud Platform (GCP) or Amazon Web Services (AWS) Self-employed, structured and quality-oriented work Experience in agile working methods, especially Scrum Ability to understand, analyze and translate technical requirements into data-driven solutions Representative communication and consulting skills Analytical thinking and joy in solving complex issues and taking new challenges English knowledge and good knowledge of German in word and writing
Modern working environment: Working on the ALDI Nord Campus with open-space concept, operating restaurant, cafe, parent-child office and car park incl. e-store stations Work–Life-Balance: Flexible working hours and a hybrid working model with the possibility of proportional mobile work (up to 40%) and 30 holiday days (full time) Mobility: Free e-tanks at the ALDI Nord Campus, cost transfer of the German ticket or a ticket fee Healthcare & Prevention: In-house gym and gym collaborations Onboarding & Learning: Structured onboarding and a variety of possibilities for personal and professional development (e.g. ALDI Academy, eLearnings, etc.) Impact & Teampower: High level of design space and unbeatable team power in a powerful working environment salary & employee discount: Secure workplace at the inventor of the discount with an attractive salary and corporate benefits
Location
 | ALDI Einkauf SE & Co. oHG | |
| 45307 Essen | ||
| Germany |
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