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Instaffo

Frontend Developer React

Instaffo
Germany · Full-time · Mid-Senior

Frontend Developer React at Pixelshark GmbH

Requirements

Location: Only for applicants from Germany

Language: German - Native speaker, English - Fluent

## Required (MUST) Skills

  • Strong experience as a JavaScript Frontend Developer
  • Intermediate professional level (not junior)

### Technical Requirements:

  • React (practical experience in production environments)
  • Next.js framework (routing, page structure, rendering concepts)
  • npm (package management, scripts handling)
  • Git
  • Ability to clone repositories
  • Pull, push, merge
  • Resolve basic merge conflicts
  • GitLab
  • Creating Merge Requests (MRs)
  • Reviewing and merging MRs

### Backend Communication:

  • JSON APIs
  • Understanding of API endpoints
  • Knowledge of how backend systems deliver JSON data
  • JWT Authentication
  • Understands what JWT is
  • How JWT interacts with frontend and backend
  • Token handling in frontend applications

### Architecture Knowledge:

  • MVC Pattern
  • Clear understanding of separation of layers
  • Ability to structure frontend projects accordingly

## Optional (CAN) Skills

  • Linux
  • Basic system administration knowledge\
  • systemctl, units, journalctl\
  • Filesystem structure
  • User management
  • PHP & Yii2
  • Experience with PHP
  • Familiarity with Yii2 framework
  • Especially REST controllers
  • SQL
  • Basic to intermediate database knowledge
  • Query writing and understanding relational models

Activities

We are looking for an Intermediate JavaScript Frontend Developer to join our development team. The role focuses on building and maintaining modern web applications using React and Next.js, with close interaction

with a PHP-based backend via RESTful JSON APIs.

This position is not suitable for junior candidates. We are specifically seeking someone with solid practical experience and the ability to work independently on defined tasks.

About The Company

Wir entwickeln innovative Hardwarelösungen für digitale Werbemedien und verknüpfen sie intelligent mit unserer Online-Handelsplattform weDOOH. So bündeln wir Hardware, Software, Handelsplattform und professionelles Content-Management zu einem leistungsstarken DOOH-Gesamtsystem.

Die Weiterentwicklung von weDOOH zu >der< betreiberübergreifenden Plattform für die zentrale Endkundenvermarktung im Bereich der visuellen Medien ist unser Ziel. Zudem arbeiten wir stetig an der Weiter- und Neuentwicklung von Produkten mit weDOOH. Integration.

Sei dabei, wenn etwas Großes geschaffen wird!

Click on "Apply" for details on the benefits, the team and the application process.

Key Skills

Ranked by relevance

react javascript php system administration npm
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Posted
Dec 31, 2025
Type
Full-time
Level
Mid-Senior
Location
Köthen
Company
Instaffo

Industries

IT Services IT Consulting

Categories

Information Technology Engineering

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