Developed RESTful APIs using Spring Boot, adhering to best practices such as resource naming conventions, HTTP methods, and payload formats (JSON/XML), ensuring scalability and maintainability. Implemented security measures in Spring Boot applications, including authentication and authorization mechanisms such as OAuth2, JWT, or Spring Security, ensuring data integrity and confidentiality.Migrated Spring Boot applications from Java 8 to Java 11, ensuring compatibility and leveraging new language features and improvements. Migrated Spring Boot applications from Java 11 to Java 17, enhancing performance, security, and maintainability.Upgraded the Kafka consumer to use the latest Spring Kafka (worked on high-level changes of Retry logic and Error/Exception Handling). Developed integrations with Apache Kafka to enable real-time data streaming between microservices, enhancing system scalability and responsiveness. Expertise in application development using various frameworks such as Spring Boot, Spring MVC, Spring Cloud, Spring Security, Spring IOC(Dependency Injection), Spring DAO(JDBC, ORM), Spring AOP, Hibernate and Spring Batch.Developed Proof of Concept for existing monolithic application to Micro services architecture with Spring Cloud, Actuator, Eureka, Apace Kafka, AWS Core, Kibana Client, React JS.Utilized Kubernetes for the runtime environment of the CI/CD system to build, test deploy.

Used Spring Core Annotations for Dependency Injection Spring DI and Spring MVC for REST API s and Spring Boot for micro-services. All the functionality is implemented using Spring IO / Spring Boot, Thyme leaf and Hibernate ORM. Implemented Java EE components using Spring MVC, Spring IOC, Spring transactions and Spring security modules. Database connection pooling the use of JDBC.Written SQL, PL SQL, HQL queries, Implemented Transaction management.Deploy applications on WebSphere and JBoss, Migrated from IBM WebSphere to JBoss.Developed Storage Location QC module, the use of jQuery for frontend, and AJAX to services training for statistics fetching.Implemented ANT script to construct deliveries for Master statistics.Web pages are advanced using JSP, HTML, and JavaScript.

Developed REST API's using Spring MVC and Spring boot, hosted all micro services on AWS and used Elastic Beanstalk to setup application and configured environments.Resolving User Interface issues using various front-end technologies such as HTML, CSS, JavaScript, AngularJS, jQuery.Created Typescript reusable components and services to consume REST API's using Component-based architecture provided by angular9/angular10Created Entity using JPA and Spring Data JPA for executing queries to the databases.All the functionality is implemented using Spring IO / Spring Boot and Hibernate ORM. Implemented Java EE components using Spring MVC, Spring IOC, spring transactions and spring security modules.Designed and developed the REST based Microservices using the Spring Boot.

Building microservices utilizing Spring Boot and RESTful web services to communicate with other applications.Transferring data over the internet using XML and JSON and define the configuration files in Spring Boot.Identifying test data needs and manage the setup of the data for testing environments. Use the data as needed during the test cycle and to reproduce production issues.Executed Junit test cases for whole application and employed business rules for user Transaction module..