1&1 | Germany | 76xxx Karlsruhe | Apprenticeship | Part time - flexible / Home office | Published since: 06.08.2026 on stepstone.de
Working Student Digital Product Management & CRM (m/f/d)
1&1 is one of the leading telecommunications providers in Germany with over 3,100 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 67,000 km long 1&1 fiber optic network and regional networks, we create Germany's most extensive fiber optic 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. We are the stock customers marketing experts - with personalized, data-driven campaigns binding on all contact channels and we develop our customers. Be part of 1&1. .
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Your tasks • Your profile • What we offer
In addition to your studies, you want to gain insights into the everyday life of a Product Owner and gain practical experience in digital product management? In an agile environment, you support the further development of our customer platforms and work closely with product owners, stakeholders and development teams.
In the Customer Platforms team at the Karlsruhe location, you are the interface between technical requirements and technical implementation. Together with Product Owners, developers and other departments, you are working to design and continuously develop digital solutions for our existing customers. You will get exciting insights into the conception, prioritization and implementation of new features in one of the leading telecommunications companies in Germany.
Support in the planning, implementation and optimization of digital marketing and CRM campaigns Cooperation in the further development of our customer platforms Analysis of requirements and support in designing new features and optimizations Cooperation with product owners, developers and other stakeholders in an agile environment Support in prioritisation and documentation of requirements and projects Participation in roadmap and project planning
Student (w/m/d) of Computer Science, Business Informatics, Business Administration, Marketing or a comparable subject with a period of study remaining at least one year Interest in digital marketing, CRM and digital products and processes Safe handling of MS Office, ideally also with Jira Communication and presentation strength as well as joy in team collaboration Very good German knowledge in word and writing, good English knowledge and first experience in product management, project management, online marketing or sales are of advantage Flexibility to support us with 20 hours a 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 EGYM Well Pass
Location
 | 1&1 | |
| 76137 Karlsruhe | ||
| Germany |
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