1&1 | Germany | 76xxx Karlsruhe | Student job | Part time - flexible / Home office | Published since: 07.01.2026 on stepstone.de
Working Student - Product Management Existing Customers Mobile (m/f/d)
1&1 is one of the leading telecommunications providers in Germany with over 3,200 employees and nearly 16 million customer contracts. With pioneering spirit, unusual ideas and creative teams, we have won a leading market position in mobile and broadband connections. By combining the over 50,000 km long 1&1 fiber optic network and regional networks, we create Germany's most extensive fibre network. We also build the most modern 5G network in Europe, based on the new Open-RAN technology. With open interfaces and 5G functions in a powerful cloud infrastructure. Be part of 1&1. .
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Your tasks • Your profile • What we offer
Are you looking for an exciting student job where you can apply your study content directly in practice? Then you are right with us! In the position as a working student in the field of product management, the team “Bestandskunde Mobile”” helps you develop innovative campaigns for customer retention and value enhancement for the entire mobile customer portfolio of 1&1. You actively participate in the further development of our mobile products and can thus gain valuable practical experience.
Support for product management in the field of existing customers Implementation of data analyses for product performance and preparation of results for management Cooperation in the planning and implementation of new product solutions Own responsible takeover and implementation of projects
You are a registered student of economics, BWL or a comparable degree programme Interested in new topics such as tariffs, smartphones, tablets or laptops Good analytical skills Very good communication skills, an independent and proactive method High level of team capability Good MS Office skills, especially in Excel and PowerPoint Flexibility in time and availability of 10-20 hours per week
Attractive salary Strong community of team players Confidential working time with flexible classification and the possibility of working up to 40% mobile Numerous training options on and offline Discounts on 1&1 products and for various leisure offers In-house restaurant Free drinks and fresh fruit
Location
 | 1&1 | |
| 76137 Karlsruhe | ||
| Germany |
The text of this ad was translated from German into English using an automatic translation system and may contain semantic and lexical errors. Therefore, it should be used for introductory purposes only. For more detailed information, see the original text of the ad at the link below.
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