1&1 | Germany | 76xxx Karlsruhe | Student job | Part time - flexible / Home office | Published since: 19.01.2026 on stepstone.de
Werkstudent - Business Intelligence & Data Analytics (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. Continue the 1&1 success story and design our future product range with innovation and power. Be part of 1&1. .
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Your tasks • Your profile • What we offer
In this position, you have the opportunity to actively work in an innovative and forward-looking team that paves the way for data-driven decisions. As part of the Business Intelligence & Optimisation & Automation team, you contribute to ensuring that our market data is always accurate and up-to-date - a crucial basis for optimizing our processes and strategies. You take over tasks that not only demand your analytical skills, but also enable you to gain valuable experience in a dynamic environment.
Monitoring and control of market data: You ensure that all relevant market data are up-to-date and correct so that we can make informed decisions Coordination with external partners: You work closely with our external partners to make adjustments to data and processes Validation of data sources: You check the quality and consistency of our data and ensure that we can access reliable information at any time
We are looking for a motivated and reliable student (w/m/d) interested in data and market analysis. The subject is not decisive, but important:
Safe handling of online searches: You have fun searching and finding relevant data Interest in market analyses and data structures: You want to learn and analyze more about the backgrounds and contexts of market data Experience in using Excel: You are safe in handling Excel and know yourself with basic features from Precise and reliable operation: You work structured and pay attention to details to deliver error-free results Current knowledge of German or English: You can communicate well in word and writing
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 |
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