Working Student Java Fullstack Developer (m/f/d)

About the role

Location: 51149 Cologne | Contract type: Part-time, fixed-term | Job ID: 967330 | Start: from 01.09.2026 Welcome to the Home of IT: As a team member of our Store Task Management product team, you are directly involved in the further development of the applications for which the team is responsible. In the role of Software Engineer, you will develop new features with your colleagues or find and fix anomalies from the ongoing operation of the applications. Tasks that help you progress: - You are in the middle of it: You are actively involved in agile teamwork and Scrum processes - You show commitment: You support us in Angular frontend development - You get involved: You work on Java Spring Boot backend microservices - You advance automation: You develop Python services and automation scripts - Exciting topics in the field of Dev-Ops with Kubernetes also await you Features that define you: - First and foremost your personality. You are a team player, eager to learn and show initiative - You enjoy working with current technologies and have a passion for IT - You are studying (business) informatics or a similar scientific subject - You master the basics of software development and know object-oriented development (e.g. with Java) - Ideally, you bring initial experience in software development in a team, e.g. in the context of programming modules / practices The best of your Home of IT: We are revolutionizing digital food retail for millions of people. In doing so, we work with a tech team of IT and non-IT specialists on exciting projects. Here you can contribute your own ideas and try things out. We create the best conditions for you to unfold your full potential: - Attractive remuneration as well as discounted food in the canteen. - Flexible working hours without core times and the possibility of mobile working suitable for your studies. - Employee discount - 5% shopping discount at REWE and PENNY as well as further discounts at toom Baumarkt and DERTOUR Group. - Complete integration into the teams and the respective workflows, intensive training accompanied by (digital) onboarding programs, the assumption of responsible task packages as well as learning from and with experienced colleagues. - Possible collaborations for final theses (depending on the needs of the respective department). - A comprehensive health and sports offer. - Connected: Company-wide networks of the REWE Group, such as our LGBTIQ network "di.to. - different together" and the women's network "f.ernetzt" for exchange about career and personal development. - Career entry: Admission to the "future steps" retention program with exclusive events and talent pool. A subsequent direct entry is possibly possible. You can find more information at rewe-digital.com . We look forward to your online application stating your availability and salary expectations. Unfortunately, we cannot return paper application documents. Do you have questions about this position (Job ID: 967330)? Then contact our application hotline at 0221 149-7110 <> . We expressly emphasize that all people - regardless of gender/gender identity, ethnic origin and nationality, social origin, religion/worldview, physical and mental abilities, age as well as sexual orientation or other individual characteristics - are equally welcome with us. Remuneration: to be negotiated.