Oct 2021 – Mar 2024 · 2 yrs 5 mos · Kolkata, West Bengal, India · On-site

• Project: RA | Role: Java Developer Engineered RESTful APIs with Spring Boot, integrating Hibernate-Spring Data JPA into the DAO layer of the application for seamless and efficient data management. Implemented fault-tolerance mechanisms by applying the Circuit Breaker pattern to an existing Microservices architecture, enhancing system reliability and resilience. Eagerly participated in building Microservices components like service registry, and externalizing configurations. Successfully delivered over 20 development stories and addressed over 30 bugs related to previous development stories, spanning multiple sprints, and contributing to the success of 4 different teams. Used Java8 concepts like Lambda Expression, Function Interface, and Stream API along with Core Java technologies -Multithreading, Collections, and Exception handling mechanisms. Played an active role in the implementation of OAuth 2.0 in Angular 9 with MSAL 2.0, and in Apache web server (Apache OIDC) using Azure AD as the authentication provider. Used with SQL databases like Oracle 19c and MySQL and native SQL queries for development, analysis and debugging. Demonstrated expertise in the Software Development Life Cycle (SDLC) by actively participating in Agile methodologies.