Working Student: Fullstack Development with Frontend Focus (m/f/d) - remote or Karlsruhe

1 Day ago • All levels • Full Stack Development

Job Summary

Job Description

Join our team as a Working Student in Fullstack Development with a focus on Frontend. You'll apply your knowledge to build smart, user-friendly UIs with TypeScript in React and Svelte, and explore backend development with Java and Spring Boot. We seek proactive team players eager to contribute to digital products for millions of users. You'll work on mobile and desktop apps, ensure stability, contribute ideas, and collaborate with experienced developers, product management, and UX design. This role offers a chance to grow professionally in a supportive, flexible environment.
Must have:
  • Develop Backend (Java & SpringBoot) and Frontend (TypeScript & Svelte / React).
  • Further develop mobile and desktop apps based on Svelte, React, and Capacitor in a Micro Frontend environment.
  • Ensure stability, performance, and security, find and fix bugs, and prevent them sustainably.
  • Contribute ideas to the conception of new functions.
  • Work closely with product management, UX design, and project management, learning from experienced developers.
Good to have:
  • React
  • Svelte
  • Capacitor
  • Responsive Design
  • Design Systems (Figma, Sketch)
  • Automated Testing
  • Java
Perks:
  • Individual development path (specialist or leadership career).
  • Open culture with honest, constructive exchange and strong cohesion.
  • Flat hierarchies and co-determination.
  • Flexibility for home office, spontaneous appointments, or short-term vacation.
  • Office in a prime location with breakfast, fitness, mystery lunch, workshops, and a beautiful rooftop terrace.
  • Direct feedback from end-users (B2C company).
  • Focus on a unique community platform that brings people closer together.

Job Details

Job Description

Enough of theory in the lecture hall? Are you burning to finally put your knowledge into practice instead of waiting for a wizard's advice? If you no longer want to just read about algorithms, but apply them in a real team and help shape software for millions of users, then start your journey with us! Become part of our community and begin your adventure in professional software development. With us, you forge – not on Mount Doom, but in the editor – smart and user-friendly UIs with TypeScript in React and Svelte. And if curiosity grabs you about what lies hidden in the deep mines of the backend, you'll grab the code yourself to explore its secrets.

We are looking for companions who enjoy learning in a team, show initiative, and want to co-develop digital products that inspire millions of members. Your journey begins here!

Your Tasks

  • You develop Backend (Java & SpringBoot) and Frontend (TypeScript & Svelte / React).
  • You further develop our mobile and desktop apps based on Svelte, React, and Capacitor in a Micro Frontend environment.
  • ... and not only in the frontend, but also in the backend: with Java 21 and Spring Boot.
  • You help ensure that everything runs stably, performantly, and securely, find bugs, and gain experience in how to fix them and prevent them sustainably.
  • You contribute your ideas to the conception of new functions.
  • You work closely with product management, UX design, and project management and learn from experienced developers.

What do we offer you?

  • Growth according to your ideas - Whether a specialist or leadership career: with us, you shape your individual development path.
  • Team support through discussions, coaching, feedback, and mentoring - We live an open culture with honest, constructive exchange and strong cohesion.
  • Flat hierarchies and co-determination - Every voice counts with us: actively participate and contribute your ideas.
  • Flexibility that adapts to your life - Home office, spontaneous doctor's appointments, or short-term vacation: we rely on self-organization.
  • Office in a prime location with breakfast, fitness, mystery lunch, workshops, and a beautiful rooftop terrace - Our work environment offers everything for well-being and creative energy.
  • Direct feedback from end-users (B2C company) - You immediately see how your contribution is received by our users.
  • Focus on our own product - A unique community platform that brings people closer together, with meaning and impact.
  • All benefits can also be found at jobs.knuddels.de

What we do not offer?

  • Dusty corporate structures
  • Working on business customer projects (We are a B2C company)
  • A far-fetched third bullet point if we can only think of two :)

Job Requirements

  • You are an enrolled student in computer science, business informatics, or a related field.
  • You have initial contact points with web technologies and bring knowledge in TypeScript and ideally in React or Svelte.
  • Bonus points: You may have already heard of or even experimented with Capacitor, Responsive Design, Design Systems (Figma, Sketch), or automated tests.
  • First experience with Java is also a plus.
  • You enjoy clean code, want to understand how things really work, and are open to new technologies.
  • You are reliable, enjoy working independently, and even more so in a team.
  • You have German language skills at C1 level and solid English skills.

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About The Company

Seit 1999 bringt unsere Chat-Plattform Menschen näher zusammen. Mit über 300.000 monatlich aktiven Mitgliedern in mehr als 1.000 Chaträumen ist Knuddels Deutschlands größte Chat-Community. In einer schnelllebigen, wettbewerbsintensiven Branche setzen wir auf Offenheit, Vielfalt und Inklusion – und auf ein starkes Team. Unser Ziel: Ein Produkt, das Menschen verbindet und ihnen gute Erlebnisse und echte Glücksmomente schenkt.

Karlsruhe, Baden-Württemberg, Germany (Remote)

Karlsruhe, Baden-Württemberg, Germany (Remote)

Karlsruhe, Baden-Württemberg, Germany (Remote)

Karlsruhe, Baden-Württemberg, Germany (Remote)

Karlsruhe, Baden-Württemberg, Germany (Remote)

Karlsruhe, Baden-Württemberg, Germany (Remote)

Karlsruhe, Baden-Württemberg, Germany (Remote)

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