Full stack developer

**Job Title:** Full Stack Developer – App Migration, Code Audit & UI Polish **About the Project:** We have a construction management SaaS app currently running on Replit that we need migrated to a production-ready hosting environment. The app is more feature-complete than most competitors on the market and we are preparing it for paying customers. We are looking for a skilled developer or small team for a 3-phase engagement: **Phase 1 – Migration** - Migrate the app from Replit to a stable, scalable hosting platform (Railway, Render, AWS, or similar) - Set up proper environment variables, database, and deployment pipeline - Ensure zero data loss and full functionality post-migration **Phase 2 – Code Audit & Cleanup** - Review full codebase for structure, security vulnerabilities, and inefficiencies - Clean up and optimize code - Document key components **Phase 3 – UI/UX & Aesthetic Polish** - Review layout, user flow, and overall user experience - Improve aesthetics to bring it to a market-ready, professional standard - Mobile responsiveness check **What We're Looking For:** - Strong full stack experience (please share your stack experience when applying) - Experience migrating apps from Replit or similar platforms - Eye for clean, professional UI/UX - Strong English communication skills - Reliable, detail-oriented, and honest **How to Apply:** Please share 2-3 examples of relevant past work and briefly describe your experience with app migrations. We will start with a small paid test task before committing to the full project. Long term relationship possible for the right team.