ARDEX GmbH | Germany | 58xxx Witten | Student job | Part time - flexible / Home office | Published since: 17.02.2026 on stepstone.de
Working Student Data Science (m/f/d)
In order to support a company-wide AI project, we are looking for a dedicated working student or a dedicated working student (m/w/d) that structured, unified and lifts our data base to a professional level of quality. Work on a pioneering project and introduce your strengths in handling data in an international environment.
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Your tasks • Your profile • What we offer
With clear systematics, you will see, structure and consolidate extensive Excel files. Existing data is transferred to a standardized data model with uniform columns, data types and validations. For consistent quality assurance, you are entitled to 100% data correctness, including plausibility checks, duplicate cleaning and complete change log. Rules, mapping tables and decision logics are so firm that You are sustainablely reusable. In close coordination, you work with the Innovation & R&D Corporate Unit and, if necessary, with other specialist areas. Chemical terms, product categories or classifications are technically correct according to defined specifications.
You are enrolled in a scientific or technical course, such as mathematics, chemistry, physics, computer science or a comparable subject. Very good Excel knowledge as well as experience in handling structured data characterize you. An extremely careful, concentrated and enduring operation is of course for you – precision has the highest priority for you. Structured, methodical and independent work is one of your strengths as well as a clean and comprehensible documentation. In the German language you move safely and are well suited with informal names and abbreviations; English knowledge is advantageous, but no requirement.
“Our passion is the development of responsible solutions for the construction industry!”
ARDEX is one of the world's leaders in high-quality construction chemical special construction materials. As a family-owned company, the company has been pursuing a sustainable growth course for 75 years. The ARDEX group employs approx. There are about 500 employees at the headquarters in Witten. Today, ARDEX is present in more than 50 countries on all continents, in the core market of Europe almost comprehensively and with almost twenty major brands worldwide, it generates a total turnover of more than 1.110 million euros.
What makes us special: At ARDEX, a family working atmosphere awaits you, in which mutual support is raised. We attach great importance to respectful coexistence, short paths and a strong team feeling – because together we achieve more. We offer you
Flexible working hours Canteen Team events Homeoffice possibilities
Location
 | ARDEX GmbH | |
| Friedrich-Ebert-Str. 45, 58453 Witten | ||
| Germany |
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