
Working Student – Backend Development, Java
osapiens
part-time
Posted on:
Location Type: Hybrid
Location: Mannheim • Germany
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Salary
💰 €17 - €22 per hour
Job Level
About the role
- Develop backend features using modern Java
- Follow industry best practices by writing automated tests and documentation for your code
- Own features end-to-end: from implementation and testing to supporting the roll-out with clear release notes
- Option to work on the frontend as well (React)
Requirements
- Currently enrolled in a university program (computer science or related fields)
- Eagerness to grow with us long-term
- First experience in software development with object-oriented programming languages such as Java
- Preferably first experiences with backend development, ideally with Spring Boot
- Understanding of API Development and NoSQL databases are a plus
- Strong interest in building reliable, secure and scalable software
- Ability to work independently, learn quickly, and take full ownership of your tasks
- High attention to detail and drive to deliver great work
Benefits
- A purpose-driven mission tackling complex sustainability challenges while working alongside global industry pioneers at a fast-growing unicorn company
- A dynamic, collaborative work environment where your ideas are valued and implemented
- Room for creativity and ownership through cross-functional teamwork and open communication
- Regular team events and outings
- A dynamic and collaborative team environment, offering both remote and in-office opportunities
- And of course – free drinks and snacks to keep you energized during your day
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
Javaobject-oriented programmingbackend developmentSpring BootAPI DevelopmentNoSQL databasesautomated testingdocumentationscalable softwarereliable software
Soft Skills
eagerness to growindependencequick learningownershipattention to detaildrive to deliver