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T-Mobile

Werkstudent*in Key Account Management (m/w/d/-) - congstar GmbH

T-Mobile

Köln
Publié le 10 novembre 2026

Description du poste

Job ID: 563465374973646 Werkstudent\*in Key Account Management (m/w/d/-) - congstar GmbH Cologne Working student congstar GmbH We are a colorful team of over 300 congstars and belong to one of the best employers and leading telecommunications providers in Germany. You can find us right in the heart of Cologne in the beautiful Rheinauhafen or remotely working from home. As part of Deutsche Telekom, we offer the best of both worlds: We combine the flexibility of a start-up with the security of a corporation behind us. Diversity inspires us — our own and yours. With us, it is allowed and even desired to question things. We really enjoy what we do and it shows. We're colorful, we're creative and we're in the mood — for you! **Among other things, we offer:** * A varied job with a steep learning curve, personal responsibility and creative opportunities * Flexible working hours and hybrid working model at Cologne's Rheinauhafen (up to 70% remote work is currently possible) * Workation (up to 20 days/year in other EU countries) * Free access to a mental health platform including individual and group sessions as well as webinars with psychological experts and coaches for your mental well-being as well as other comprehensive health services * Attractive salary: Our minimum is 16€ gross/hour * We work on equal terms, you attend both meetings and parties **This is what you can expect:** * **Managing sales partners:** As part of our team, you help manage our sales partners. * Support **projects & analyses:** You support internal projects, create presentations and contribute to data-driven evaluations. * **Develop marketplace strategies:** Together with our key account managers, you will create competitive analyses and develop strategies for various online marketplaces such as Amazon, OTTO and Kaufland.de. * **Take responsibility:** You will work independently on your own tasks, take on responsibility and get to know a wide range of topics in sales. * **Work flexibly as a team:** You can expect a great team and flexible working hours, which you can arrange between 07:30 and 20:00. **This is what you have in your luggage:** * **Suitable study background:** You are currently studying with a focus on economics, marketing, (online) trade or in a comparable area and are interested in sales. * **Enthusiasm for e-commerce:** You have a high affinity for e-commerce and digital topics. * **First marketplace experience:** Ideally, you already have initial experience in marketplace management, in particular with Amazon. * **Analytical & independent way of working:** With your quick comprehension, analytical thinking and independent way of working, you actively support the team. * **Interest in AI & digital tools:** New technologies and digital tools inspire you and ideally you have already gained initial experience with AI applications. Severely disabled people are given priority if they are equally qualified. Your contacts Madelei