• Built backend system for an AI-powered education platform that gives students instant AI feedback, helps instructors identify common misconceptions, and creates personalized learning paths for each student. • Designed the complete system from database to deployment, including database schema, REST APIs with authentication, AI feedback service that analyzes student answers, and analytics to track class performance. • Created production-ready code with comprehensive testing, detailed documentation, and automated setup, making it easy for the team to onboard and integrate with the frontend while keeping student data secure.