osapiens

Working Student – Backend Development, Java

osapiens

part-time

Posted on:

Location Type: Hybrid

Location: MannheimGermany

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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