Involved in analysis, specification, design, and implementation and testing phases of Software Development Life Cycle (SDLC) and used agile methodology (SCRUM) for developing application.• Involved in the development of user interface using HTML5, CSS3, JavaScript, Bento and Angular 8.• Created Typescript reusable components and services to consume RESTAPI's using Component-based architecture provided by Angular 8. • Followed Web Accessibility Guidelines while coding the website following with WCAG 2.0 and providing suggesting to designers and developers about accessibility.• Implemented Angular 8 Services for connectivity between web application and back-end API'S using TypeScript.• Developed RESTful Web Services with JAX-RS using Spring Boot and worked on testing the RESTful APIs using tools like POSTMAN. • Addressing heavy traffic situation and migrating user-specific data off service instances by implementing Microservice Architecture to divide the application into various sub modules.• Designed and developed application using various Spring framework modules like Spring IOC, Developed Controller Classes using Spring MVC, Spring AOP, Spring Boot, Spring Data modules and handled security using Spring Security. • Implemented the authentication and authorization of the application using Spring Security and Oauth2.• Used Spring IOC framework for Dependency Injection and Spring AOP for logging purposes.• Utilized Java 11 and Java 8 features like Lambda expressions for collection evaluation and comparing the data, Stream API for Bulk data operations on Collections which increase the performance of the Application.• Implemented Core Java concepts like Multithreading, Concurrency, Exception Handling and Collections wherever necessary in the application. • Implemented REST Microservices using spring boot. Generated Metrics and Persistence using Spring AOP and Spring Actuator and deployed Microservices using Azure App Services.

• Extensive experience developing the complex web applications using Angular 6/7/8 with java applications.• Developing self-contained, reusable, testable modules, and components using dependency chain.• Cross-browser client-side development experience using HTML5, CSS3, JavaScript and Groovy grails, Typescript, Node.js.• Performed testing using Protractor, Jasmine, Karma, and involved in code reviews.• Leveraged the monolithic application to microservices with help of strangler design pattern, SAGA, CRQS, Domain Driven and Event driven design pattern.• Utilized Java 8 features like Lambda expressions for collection evaluation and comparing the data, Stream API for Bulk data operations on Collections which would increase the performance of the application.• Used Parallel operations on collections for effective sorting mechanisms and to change the sequential stream flow of threads while session establishment. • Expertise in developing Microservices with help of spring boot 2 manage by spring cloud technologies.• Expertise in Eureka server for service registry, Hystrix dashboard for circuit breaker, spring cloud config for external configuration and cloud sleuth for tracing calls.• Developed Restful services using Spring Framework and handled access-control features like authentication and authorization by using Spring Security, OAuth 2.0 with JWT.• Expertise in designing microservices using 12 factors design principles and worked on singleton, prototype, builder, bulkhead pattern, blue-green deployment, and circuit breaker pattern.• For communication between multiple services, I used Kafka and RabbitMQ messaging systems as pub-sub and feign, Rest Template for synchronous communication. • Implemented the function to send and receive AMQP messages on RabbitMQ synchronously and asynchronously and send JMS message to Apache ActiveMQ on the edge device.

• Involved in various phases of Software Development Life Cycle (SDLC) such as requirements gathering, modelling, analysis, design, development, and testing.• Upgraded existing UI with HTML5, CSS3, jQuery, Bootstrap, Groovy grails,• Implemented core features of Angular framework such as Dependency Injection, Data Binding, Filters, Directives, Templates, Services and Deep Linking Designing.• Expertise in React JS framework to develop the SPA and working with React Flux architecture.• Experience in using React JS components, Forms, Events, Keys, Router, plus Redux, Animations and Flux concept.• Good Experience in React.js for creating interactive UI's using One-way data flow, Virtual DOM, JSX, React Native concepts.• Familiar with creating Custom Reusable React Components Library and make sure the web apps/sites responsive to all digital devices meet in accessibility following WCAG 2.0 Guideline and ADA technical standers.• Used Java 8 features like Streams and Lambda expressions and used React.js to build single page applications for navigation through different status and multiple models.• Designed and developed Micro Services business components using Spring Boot.• Used Spring MVC framework for implementing Model-View-Controller (MVC) architecture at the Web tier level to isolate each layer of application so that the complexity of integration will be reduced, maintenance will be very easy.• Responsible for writing the Design Specifications for the generic and application specific web services in Groovy Grails.• Used Spring AOP for solving crosscutting concerns like keeping logged data and transactions details etc.• Developed Restful Micro Services using Spring Rest and MVC, for OSS services.

• Used Agile practices and Test-Driven Development techniques to provide reliable, working software early.• Used angular-cli tool to configure project and building it for development of Angular apps using Angular7+.• Integrated the different pages to be a single page application using Angular 6+.• Created Typescript reusable components and services to consume API's using Component based architecture.• Worked with Typescript as part of migration from Angular JS to Angular 6+.• Created responsive web pages using Bootstrap and wrote client-side application in a clean MVC model.• Implemented Two-way databinding in which helps the application handle the automatic synchronization of data between the model and view components using TypeScript.• Analyzed and designed a scalable system based on Object Oriented Concepts, OOAD and the various J2EE design patterns.• Design and implementing Model view controller (MVC) architecture using spring framework.• Wrote Hibernate classes, DAO's to retrieve & store data, configured hibernate files.• Used Jenkins Jobs for build automation to compile and generate EAR, JAR and WAR files.

• Involved in SDLC– Requirements gathering, Conceptual Design, Analysis, Detail Design, Development, System Testing and User Acceptance Testing. Used Agile approach for the Software Development• Developed user interface with Servlets and JSP.• Involved in implementing the DAO pattern for database connectivity and used the JDBC API extensively.• Designed and developed the UI using JSP, HTML, CSS and JavaScript.• Deployed applications on Apache Tomcat application server instances in all the respective environments.

• Developed web application using Struts 2.X, JSP, Servlets, Java beans that uses MVC design pattern• Created user-friendly GUI interface and Web pages using HTML, CSS and JSP• Used Eclipse as IDE tool for creating Servlets, JSP, and XML.• Wrote SQL for JDBC prepared statements to retrieve the data from database.• Monitored the logs using Log4J and fixed the problem. The application was deployed on the Tomcat. • Used CVS as version control system. Worked on bug fixing and Production Support.