Developed backend solutions with hands-on experience in Java, MySQL, REST APIs, and HibernateDesigned APIs for CRUD operations, login, signup, booking appointments, filtering appointments, E-prescription management, and managing availability/unavailability.Integrated features for uploading test reports, managing profiles for doctors, staff members, and patients, and facilitating chat through Java WebSocket libraries.Implemented Stripe and Razorpay payment gateways for adding cards, changing payments, and creating payment links for emails.Collaborated closely with the front-end team to implement APIs for both web and mobile platforms.Key Achievement: Enabled users to book appointments for health checkups and doctor consultations, enhancing user experience significantly.