Full-Stack Next.js Developer Needed to Fix Bugs & Existing Issues

Full-Stack Next.js Developer Needed for Bug Fixes & Improvements We’re looking for an experienced Full-Stack Next.js Developer to troubleshoot and improve an existing web application. We need someone who can quickly understand the codebase, identify root causes, and deliver clean, production-ready fixes. Main work includes: Fix frontend and UI issues Debug API and backend errors Resolve authentication and permission problems Fix forms, dashboards, and data-loading issues Improve responsive design where needed Resolve performance issues Clean up and optimize existing code Test fixes to avoid regressions Tech Stack: Next.js / React TypeScript Node.js REST APIs PostgreSQL / Supabase Please share 1–2 relevant projects where you have debugged, maintained, or improved an existing production application.