Developed 48 RESTful APIs across 11 Spring Boot controllers with JWT and Google OAuth2 authentication Designed backend managing 9+ relational entities (users, posts, comments, events, RSVPs, notifications) using PostgreSQL Implemented social graph, posts, comments, likes, notifications, and event system with rating aggregation Built frontend with 19 reusable React components and 3 Zustand stores for global state management Structured API layer using 9 Axios service modules and integrated animations using Framer Motion, GSAP, and Three.js