I made this Hackathon Finder all over the world on @Replit 1. Tech Stack Frontend: React + Vite, TanStack Query, Tailwind v4 API Layer: Express 5, OpenAPI spec, Zod validation Codegen: OpenAPI → Orval → typed React Query hooks Database: PostgreSQL, Drizzle ORM, session store Auth: Session-based, bcrypt hashing (no JWT) Country dataset: 195-country, offline capital city inference Planned mobile: Expo / React Native (Q4 2026) 2. Core Features

Global Radar: search 50+ events by country, continent, mode, status, real-time filters Event Detail: prize pool, perks, eligibility, direct registration link Saved Events: bookmark + shortlist synced across devices Secure Auth: session login, bcrypt, profile management Smart Event Lifecycle: auto-status Upcoming → Ongoing → Registration Closed → auto-remove 7 days post-end (hourly engine) IQ Assessment: 25 questions, one attempt, 5 domains (Logical, Numerical, Verbal, Spatial, Memory), timed per-question, radar chart results, permanent score on profile Track Coverage: AI/ML, Web3, Cybersecurity, Climate +15 more Discovery UX: continent-grouped country filter Home Feed: featured carousel + trending grid 3. Scale 50+ events live 195 countries indexed 20+ countries active coverage