Frontend Developer

vor 1 Woche

Home Office, Schweiz BlackCode Vollzeit CHF 7'000 - CHF 84'000 pro Jahr

COMPETITIVE HIRING: React Native / Mobile Developer - Prove Your Skills, Win the Job

This isn't a normal job posting. This is a challenge.

At blackcode SA, we don't just review resumes. We want to see what you can actually build.

How This Works: This is an OPEN competitive hiring process. Everyone gets the same challenge. The best submission wins the full-time position.

The Challenge: We've created a React Native (Expo) mobile app with intentional issues:

  • Broken registration flow
  • Non-functional profile editing
  • Performance problems
  • Bugs to find and fix
  • Need for reusable code architecture

Your job: Make it production-ready.

What You'll Work With:

  • React Native Expo SDK 54
  • TypeScript
  • Redux Toolkit
  • React Navigation
  • Formik + Yup
  • Mock APIs (simulating Firebase/Firestore)

Requirements: React Native/Expo experience macOS (iOS Simulator) OR Windows/Linux (Android Emulator) Ability to work independently and problem-solve

Time Estimate: 10-12 hours (mid-level developers)

How to Participate:

  • Fork the GitHub repository
  • Complete the 5 tasks in
  • Submit a Pull Request with your code
  • Include a 3-4 minute screen recording demonstrating your work
  • Explain your approach and decisions

What We're Evaluating:

  • Problem-solving ability
  • Code quality and architecture
  • Performance optimization skills
  • Understanding of React Native patterns
  • Attention to detail and edge cases

The Winner Gets: Full-time remote position at blackcode SA working on premium software solutions for international clients.

Get Started: Repository:

Timeline: Submit within 1 week. Quality over speed.

Questions:

May the best developer win.

Job Type: 100%

Pay: From CHF700.00 per month

Work Location: Remote

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