• Developed Single Page Applications (SPA) using Angular, Typescript, HTML5, CSS3, and Bootstrap • Used MongoDB as a persistent store and Apache Kafka as a messaging layer for custom.• Installed and configured Dynatrace and Splunk on CQ and Node.js servers.• Worked with Angular8 Controllers, Directives, Services, Pipes, Guards, Angular Routing.• Implemented Java EE components using Spring MVC, Spring IOC, Spring transactions and Spring security modules.• Changing the AWS infrastructure Elastic Beanstalk to Docker with Kubernetes.• Used ReactJS for creating interactive UI's using Virtual DOM, JSX, React Native concepts.• Moving existing monolithic architecture to microservices and migrating them to AWS cloud.• Used AWS Services platform to upload data into AWSS3 buckets and creating EC2 instances.• Implemented the CI/CD process with adHoc releases for the angular webapp including the external libs related to the surveys, source code configurations to be packaged using the maven by including the dependencies versioning in the Bitbucket, code testing through the SonarQube, JFROG repository for storing the artifacts and deploying in to the relevant environment CDN through the bamboo pipeline with Jira build tracking• Used Java to extract weekly availability information from XML files using ReactJS.• Designed Node.js application components through Express and Nest Js framework• Used design patterns like Singleton, Data Access Objects, Factory and MVC patterns.• Migrated many applications into AWS and provide cloud Security.• Used date-format and moment packages in Node.JS to save the timestamp in database converting into GMT. Involved in Test Driven Development by writing unit test cases.• Designed REST based Microservices using Spring Boot.• Created JSON request and validated the response using postman Interceptor and Swagger UI.• Worked with Node.JS framework including authoring complex directives, services, controllers, and filters.

• Designed and developed Micro Services business components using Spring Boot.• Implemented Java8 features like Lambda expressions, Streams, filters, pipelines, Optional Interfaces etc.• Designed specific databases for collection, tracking, and reporting of administrative clinical data using SQL Server Management Studio.• Assisted in production of OLAP cubes, wrote queries to produce reports using SQL Server Analysis Services (SSAS) and Reporting service (SSRS).• Executed SQL queries to retrieve data from databases for analysis.• Extensively used ETL Data Stage to load from different source systems and load into the target data warehouse.• Involved in the Development of Spring Framework Controllers. Developed Controller for request, response paradigm by Spring Controllers using Spring-MVC.• Used Spring Boot based services to interact through a combination of REST and Apache Kafka message brokers. Designed and Implemented the DAO layer using spring, hibernate.• Project involved maintenance of existing OLTP databases as well as designing SSIS packages for custom warehousing needs. Developed custom reports using SSRS.• Developed the multiple enterprise applications, which are developed using Spring MVC framework, Hibernate framework, Prime faces, RESTful web services.• Implemented AngularJS Expressions, Directives, Controllers, filters and created Angular.JS service layer.• Maintained the interfaces and secure connections between Jenkins and CI/CD tools• Implemented CI/CD for all the Micro services of the OEM application using Jenkins• Used Angular.JS as framework to create a Single Page Application (SPA), which can bind data to specific views. Used Angular.JS for creating user interfaces and connecting to software components.• Designed & Developed logical & physical data model using data warehouse methodologies.• Created Tabular and Multi-dimensional model using SSAS.

• Involved in the creation of dynamic web pages with the use of JSP and HTML.• Implemented a Single Page Web Applications (SPA) based front end for displaying user requests, user records history and security settings various users using JavaScript and Angular JS.• Worked in Struts framework based on MVC Architecture.• Developed various J2EE components like Servlets, JSP, JSTL, AJAX, SAX, XSLT, JAXP, JNDI, LDAP, JMS, MQ Series.• Used Spring framework MVC in the development of new modules based on requirements.• Utilized various utilities like JSP, JSTL, JavaScript, HTML, & CSS, jQuery.• Developed application using Spring MVC, JSP, JSTL and AJAX on the presentation layer, the business layer is built using spring and the persistent layer uses Hibernate.• Used WSDL and SOAP protocol for Web Services implementation.• Used SQL and PL/SQL stored procedures, functions to implement business logics in Oracle.• Performed unit testing by using Junit testing tool and debugged using Jasmine.• Developed an automated process for builds and deployments using Jenkins and Maven.• Wrote stored procedures, SQL scripts in Oracle for Data Accessing and manipulation.• Implemented logging for the whole application using Log4j.

• Developed the project in Java, different J2EE technologies like Struts, JSP, Servlet, JavaScript, HTML, and CSS. • Wrote SQL queries for JDBC prepared statement and used callable statements to call stored procedures. • Expertise in managing VMs in Amazon using AWS and EC2.• Used Selenium and SOAP UI for Open source web testing• Wrote PL/SQL and SQL blocks for the application.• Implementation of MVC architecture by separating the Business Logic from the presentation Logic using Struts framework. • Developed and deployed the applications using Tomcat and SVN for the version management. • Worked with QA team in working with issues from QA environment and BA team for UAT defects • Used GIT to check-in and check-out and co-ordinate among team members for Version Controlling• Developed XSD, WSDL for SOAP web services which are implemented using JAX-WS metro.