• Involved in Analysing the user stories and Development of the application.• Used streams and Lamba Expressions available as part of Java 8 to store and process the data.• Involved in writing the code for pushing the notifications to the Kafka topic and retrieve the stored configurations from the Kafka topic.• Worked with Docker to deploy Micro-services in modern containers to increase the isolation.• Involved in designing the Kafka messaging queues.• Used Gradle as a build process and used generating Documentation, Reporting, and adding Dependencies.• Using Junit test in IntelliJ, developed the unit test cases and test suites.• Integrated PostgreSQL to the current framework to create the required DDLS and DMLS.• Used JIRA tool for issue/bug tracking. Monitoring of work assignment in the system.• Involved in implementing the logic for comparison of large sized Json format files from the current production system and the ongoing developing application to compare the data and making sure that the data matches the production.• Implementing or exposing the Micro services to base on RESTful API utilizing Spring Boot with Spring MVC.• Having considerable knowledge on writing the Flink application-based functions, which expected to work on multiple servers at the same time.• Did regular code reviews and fixed major bugs without side effects.• Implemented API gateway using Spring boot cloud.

Involved in Analysis, Design and Development of the application.• Developed the application implementing Spring MVC Architecture with Hibernate as ORM framework.• Designed and developed the application using agile methodology and followed Test Driven Development (TDD), Scrum.• Extensively worked on both consumption & producing of RESTful based Webservices using JAX-RS & jersey parsers.• Developed application using Java 8 to implement its features like lambdas Expressions, Time API, Streams, functional interfaces, collectors, default methods, type interfaces, for each.• Used JAVA 8 features like Lambda Expressions, Parallel Streams, and functional interfaces.• Implemented Spring batch applications which reads data from MSSQL table, process the data by making multiple rest API integrations and writes to DB2 table.• Develop the UI component architecture for developer framework using Angular 10, Java Script, AJAX, HTML5, CSS3 and Bootstrap.• Created custom, self-contained, reusable, and testable Angular 4 modules, controllers, directives, and services to implement key functionalities for customer account summary.• Used Angular 10 Http services for asynchronous validations for the input fields of the forms with the data existed in the database.• Took part in setting up the routing configuration using Angular 4 router for various views and sub views.• Published and consumed records using Producer, Consumer API’s with Spring Boot using Apache Kafka.• Experience in using Kafka for Publish/Subscribe pattern in application dealing with messaging.• Excellent knowledge of distributed computing relational databases and network programming.• Used Amazon Cloud Watch to monitor AWS services and Amazon Cloud Watch logs to monitor application.• Developed XSLT files for transforming the XML response from the web service into HTML as per the business requirements.• Worked on SQL writing complex queries, joins, stored procedures, and functions.

Developed REST web services using Spring Boot to extract client related data from database and used SOAPUI/POSTMAN for testing these restful API web services.• Implemented Kafka Producer and Kafka Consumer to enhance that real time data flow between the customer and client.• Consumed Restful Web Services using Web Client, Rest Template.• Deployed the Restful services to Web Sphere Application Servers in development and staging servers.• Implemented swagger in project for API design, build, document, and consume RESTful Web services.• Created Spring Boot applications testing suite using Junit and Mockito framework.• Implemented advanced Java 8 features like Lambda expressions, Streams, Method reference, Optional, Collections, Stream API.• Used Rest Controller in Spring framework to create RESTful Web services and JSON objects for communication.• Ensuring that development tasks are completed within the timeline provided and that issues are fully tested with minimal defects.• Involved in migrating existing applications to Microservice architecture based Restful Service.• Involved in writing database objects like Stored Procedures, SQL queries interacting with Relational Databases (Oracle 9i / 10G, MS SQL, DB2).• Interacting with Business Analysts to better understand the requirements from the feature requests.• Setup the continuous Integration (CI) and continuous Deployment (CD) process for the application using the Jenkins.

Applied Object Oriented concepts (inheritance, composition, interface, Etc. and design patterns like singleton, strategy Etc. Involved in building database Model, APIs and Views utilizing Java to build an interactive web-based solution.• Extensive experience in implementing Continuous Integration and Continuous Delivery (using Jenkins) in an AWS Environment.• Connected continuous integration system with GIT version control repository and continually build as the check-in's come from the developer.• Developed custom screens using HTML, JavaScript, jQuery, Bootstrap and Angular.js, react.js.• Involved in business logic discussions and use case design.• Used react.js for faster response and Page loading by using the concept of virtual Dom.• Reviewed product requirement documents, functional specifications, and involved in developing test strategy, test plan and test case documents.• Experience in Selenium Automation Java and Unit Test Framework.• Established framework to setup Continuous Integration environment using Jenkins.• Extensive experience in implementing Continuous Integration and Continuous Delivery (using Jenkins) in an AWS Environment.• Extensively used Spring IOC, Hibernate, Core Java such as Exceptions, Collections etc.• Used cloud watch to get actionable Insights from application.• Developed Maven targets to execute automation suites from command line.• Worked on AWS Cloud and Created instances in EC2.• Participated in weekly release meetings with Technology stakeholders to identify and migrate potential risks associated with the releases.

Involved in the Analysis, Design, Development, and Testing phases of Software Development Lifecycle (SDLC).• Developed user interface using JSP, JavaScript, CSS, and HTML• Used Hibernate for Object Relation Mapping (ORM) Java classes.• Involved in UI development using JSP's.• Designed and developed an entire Front-end web application using HTML5, CCS, JavaScript, and jQuery.• Created the design documents with use case diagram, class diagrams, and sequence diagrams using Rational Rose.• Deployed the applications on multiple WebLogic Servers and maintained Load balancing High availability and fail over functionalities.• Extensively worked on XML parsers (SAX/DOM).• Designed and developed Application based on Struts Framework using MVC design pattern• Interfaced with the Oracle back-end using Hibernate Framework and XML Config files.• Developed enterprise inter-process communication framework using RESTful Web Service.• Developing SOAP Webservices and REST Webservices (JAXB, JSON, JAX-RS, JAX-WS)• Developed Hibernate persistent layer.• Worked on the JAVA Collections API for handling the data objects between the business layers and the front end Developed Unit test cases using JUnit.• Used CVS for version controlling and JUnit for unit testing.• Used Oracle as a RDBMS to perform operations on the schemas and tables.• Developed presentation layer using JSP, HTML and CSS, jQuery.