Designed auth services with OAuth 2.0 & JWT, boosting login speed 20%.Built scalable MongoDB backend, developed 10+ APIs for Stripe payments.

Developed and maintained 30 RESTful APIs for ”Sumaitriherp” hospital-based web application, handling CRUD operations, user authentication, patient management, & appointment scheduling, using Spring Boot with Spring Data JPA, Spring Security, Spring MVC, and MySQL database, resulting in streamlined processes.Improved web response time by 15% through SQL query optimization and API endpoint refactoring.Implemented data validation & error handling, reducing errors by 25% & ensuring accurate… Show more Developed and maintained 30 RESTful APIs for ”Sumaitriherp” hospital-based web application, handling CRUD operations, user authentication, patient management, & appointment scheduling, using Spring Boot with Spring Data JPA, Spring Security, Spring MVC, and MySQL database, resulting in streamlined processes.Improved web response time by 15% through SQL query optimization and API endpoint refactoring.Implemented data validation & error handling, reducing errors by 25% & ensuring accurate data processing. Show less

Proactively monitored network security using various tools, promptly responding to cybersecurity threats.Maintained Davis Centre Library's firewall and virtual infrastructure, resolving issues for seamless operations.Conducted ongoing Linux server maintenance to ensure reliability and security for library systems.Provided secondary support for integrated library systems and desktop technology, aiding staff and patrons.

Built an interactive website using React and Redux for a cricket league, used by more than 200 users, with features including user profiles, user & team stats, previous scorecards and a league leaderboard.Improved load time by 15% by managing website’s state with redux and integrating lazy loading of images.Built a scalable UI capable of handling big traffic load by reducing UI re-renderings which decreased dataprocessing cost by 20%.

Android development for an online fuel delivery service-based start-up.

Taught programming in C to several batches of high school students.Helped them with queries regarding their projects.