April 8th
Fullstack Developer (React / Firebase / Supabase)
Contra is hiring a freelance Fullstack Developer (React / Firebase / Supabase). You’ll work across the stack to build a polished, modular web platform that supports users in their career growth and job search.
Responsibilities
Build frontend features in React, ensuring responsiveness and smooth UX
Set up and integrate backend services with Firebase or Supabase
Implement secure user authentication and permissions
Ensure backend scalability and efficient data handling
Collaborate closely with the founder and design team to meet product goals
Requirements
Strong experience with React and modern frontend development
Solid backend experience with Firebase and/or Supabase
Experience deploying apps on Vercel or similar platforms
Comfort working with auth systems, serverless functions, and real-time databases
Understanding of API-driven architecture and clean code practices
Ability to work independently, communicate clearly, and meet deadlines
Bonus: experience with gamification, LMS tools, or AI-driven features