Developed the web interface using HTML5, CSS3, JavaScript, jQuery, React.js, and Bootstrap. Injected React built-in http service to custom services to communicate with backend with RESTful APIs and Used Pipes to format and sort data displayed in the templates.Creating new React components, containers, services, and APIs Implemented stable React components and stand-alone functions to be added to any future pages. Used React JS for templating for faster compilation and developing reusable components. Developed a front-end mobile application using React Native, Redux, Flex and JavaScript. Worked on Redux with React Native to handle large chunks of data for the better performance. Involved in end to end java j2ee implementations.Create and optimize data models in Couchbase and MongoDB to store and retrieve data efficiently.Utilized Couchbase and MongoDB to design, implement, and optimize database schemas, queries, and indexing strategies to ensure high performance.Implemented Rest Full API’s using Spring Boot Microservice framework.Implemented and consumed SOAP and REST services.Developed Hibernate with Spring Integration as the data abstraction to interact with the database of MongoDB. Developed Kafka based asynchronous system to maintain the communication between the services.Implemented several database SQL/PLSQL scripts.Applied Test-Driven Development (TDD) methodology to ensure robust and reliable software development.Used Spring Core for dependency injection/inversion of control (IOC), and integrated AngularJS and Hibernate.Implemented Rest Full webservices using Spring Boot and Spring MVC.

Involved in various phases of the Software Development Life Cycle (SDLC) using Agile Methodology and attended various Scrum meetings.Used Spring MVC framework to develop applications.Involved in developing the application for incident creation and retrieving events using Restful web services with Spring Boot.Experience in using Java 11 features such as Lambdas, Streams, Observables and Completable Futures etc.Integrated Hibernate ORM framework with spring framework for data persistence and transaction management.Involved in the design and development of server-side layer using XML, EJB, and DAO patterns using Eclipse IDE.Experience in developing scalable solutions using NoSQL databases CASSANDRA, MongoDB, and DynamoDB.Experience in debugging, code optimization, and performance tuning, applicable to Python development.Experience in various MQ systems, including IBM MQ, RabbitMQ, Apache Kafka, and others.Implemented robust data validation and indexing strategies for MongoDB in Java projects.Used Spring Core for dependency injection/Inversion of control (IOC) and Hibernate Framework for persistence onto the Oracle database.Created various spring boot and Spring batch applications to connect them to various databases and created queries to retrieve data and modify the tables for the databases.

Used Scrum as a development methodology, participated in Daily Scrum meetings, Sprint planning, and business planning for the user stories.Developed User Interface using JSP, JSTL, HTML, CSS, Java Script, JQuery and Angular JS.Rendered large data sets on the application view using ReactJS.Developed client-side application with Angular 2 in a clean Model View Controller (MVC) Architecture. Involved in component development using J2EE principles and used design patterns such as Singleton, Factory and Data Access Object (DAO) in the implementation of the application.Used Spring MVC and Dependency Injection for handling presentation and business logic.Integrated Spring DAO for data access using Hibernate.Implemented Restful and SOAP based Web Services and used Soap UI for testing.Implemented SOA architecture with Web Services using SOAP, WSDL, UDDI and XML using Apache CXF framework and worked on parsing the XML files using DOM/SAX parsers.

Involved in the lifecycle of the software design process including, requirement Definition, prototyping, design, interface implementations, unit testing and maintenance. Used various Core Java concepts such as Exception Handling, Collection APIs to implement various features and enhancements. Excellent design and programming skills in Java/J2EE, JavaScript, Struts, Spring, Angular js.Designed and implemented web applications using Spring with relational databases such as MySQL. Written SQL statements for manipulating database, using JDBC. Created Action Classes, Domain Objects Request processor for the application using Model View Controller (MVC) approach. Crafted well-defined Restful APIs for microservices, promoting interoperability and ease of integration with other services and applications.Created Application Server, nodes at a cell level, created clusters, defined Data Sources for Database connectivity, Created Bus members, and defined Activation Specs to provide configurations for messaging queue in Web Sphere. Managed builds and made necessary changes to Ant build scripts for Java/Web sphere-based applications.

Followed Agile software development methodology, participating in Scrum activities and daily scrum meetings.Participated in architecture design meetings and collaborated with QA to write test code and debug application defects.Implemented SOA to develop Spring Restful/Microservices and utilized Spring Eureka and Netflix Ribbon for service discovery.Designed and developed Microservices business components using Spring Boot.Implemented Spark using Scala and Spark SQL for faster testing and processing of data.Implemented Spark using Scala and utilizing Data Frames and Spark SQL API for faster processing of data.Expertized in implementing Spark using Scala and Spark SQL for testing and processing of data responsible to manage data from different sourcesSpring Boot Microservices were developed with microservice architecture using REST and Apache Kafka.Utilized Microservices with Spring Boot and a combination of REST web services.