Werkstudent Frontend Developer (JavaScript / Webentwicklung) (m/w/d)

About the role

LikeGroup GmbH is a leading creator and UGC agency in Germany, working with well-known brands such as Deutsche Telekom, EDEKA, and SharkNinja. The team is also developing an internal CRM platform that connects the full creator and campaign workflow, covering planning, communication, and performance tracking.

What you will do

• Build and enhance features within the existing internal system.
• Create and refine UI components.
• Understand existing code and continue developing it in a clean, maintainable way.
• Think through data structures and logic with Supabase and PostgreSQL in mind.
• Investigate bugs and implement fixes.
• Improve user experience and application performance.

Required technical stack

• Vanilla JavaScript, without React, Vue, or Angular.
• HTML and CSS, working within an in-house design system.
• Supabase, including database, authentication, realtime, and storage.
• PostgreSQL.
• Git, including branching and tidy commit practices.
• npm and Vite.
• Cursor IDE or VS Code.
• Figma.

Benefits

• Contribute to a core system with visible business impact.
• Enjoy a fast learning environment rather than corporate pace.
• See your work implemented directly in the product.
• Work with modern tools and AI-supported development workflows.
• Have the opportunity to grow with the team over the long term.

Important note

This is not a beginner-friendly role. You should already have a solid grasp of JavaScript beyond tutorials, have built your own projects during university or in your free time, be comfortable working through complex codebases, and approach your work in a structured and careful manner.