Looking for an experienced full-stack developer to build a custom ed-tech platform for an online exam preparation brand (entranceug.com) targeting students preparing for IPMAT, CUET, and JIPMAT entrance exams. The platform has two core modules: 1. Mock Test Engine Timed full-length and sectional mock tests, question bank with CSV import, auto-scoring with negative marking, section-wise ranks, percentile calculation, and detailed post-test analytics including topic-wise accuracy, time-per-question tracking, and score trend graphs. 2. Student Mentorship Dashboard Daily task assignment by mentor, student check-in system, syllabus tracker with topic-wise progress, auto-generated SWOT analysis based on test performance, leaderboards (task streak, mock scores, most improved), XP and badge gamification system, doubt management, smart study planner, and a parent dashboard with weekly reports. Tech Stack Required: Next.js, Supabase (PostgreSQL + Auth), Razorpay subscriptions, Vercel deployment. Additional Requirements: Role-based access: Student, Mentor, Admin, Parent Mobile responsive (students are primarily on phones) Must support 500+ concurrent users during mock tests Full source code ownership transferred to us Detailed PRD available — this is a well-specced project, not an idea-stage build Timeline: 14 weeks Budget: Open to proposals — please quote for full build.