• Gathered business and functional requirements and prepared design and proof of concept.• Involved in the complete SDLC to develop applications.• Implemented features like logging and user session validation using Spring-AOP.• Designed, developed, and tested web applications using HTML, CSS, JavaScript, Bootstrap, and ReactJS.• Developed applications using AWS services like Cognito, Lambda, API Gateway, and a React/Redux front end.• Created Action classes and Forms for business logic with Spring framework support.• Designed and developed server-side layers using XML, JSP, JDBC, JNDI, EJB, and DAO patterns.• Developed Spring JMS message listeners and scheduling components for batch operations.• Implemented REST web services using Spring Boot and MVC design pattern.• Designed and developed XSLT transformation components to convert data from XML to HTML.• Utilized XML DOM API for parsing XML and created complex XSLT templates for dynamic content rendering.• Developed XSLT stylesheets for transforming XML data into formats like HTML and PDF.• Used AWS and Azure services according to workload requirements.• Integrated Spring DAO for data access using Hibernate and performed database queries with HQL and SQL.• Conducted unit testing with JUnit and managed deployments with Jenkins and Maven.• Participated in iterative review meetings to track progress and resolve issues.

• Developed single-page applications using React for the front end and Spring Boot for the back end, with MySQL and Postgres for database support.• Designed and implemented applications with React, HTML, CSS, JavaScript, jQuery, and TypeScript.• Created and maintained XSLT templates and stylesheets for transforming XML data into web-friendly HTML formats.• Utilized XPath expressions within XSLT to efficiently navigate and manipulate XML data.• Developed and integrated Restful APIs using JSON, leveraging AWS services like Cognito, Lambda, and API Gateway.• Extensively used jQuery for AJAX calls and React Router for seamless navigation in applications.• Wrote Hibernate configuration and mappings XML files for database access and supported application logic with REST APIs in AWS Lambda.• Engineered Java-based automation test scripts using Selenium Web Driver, JUnit, Cucumber, and Maven.• Developed and configured Docker containers in Kubernetes, scripted CloudWatch alerts using Terraform, and worked with Kafka APIs.• Applied Agile methodology for software application analysis and design.

• Involved in Software Development Life Cycle phases like Requirement Analysis, Development, UnitIntegration Testing and estimating timelines for a few requirements.• Involved in designing, developing and testing the web application by using HTML, CSS, Bootstrap, andReact.• Developed Single Page Application React as front-end, Spring Boot as back-end and MySQL fordatabase support.• Used Spring Boot, in building cloud Micro Services and developed spring-based applications with verylittle configuration.• Automated the Docker creation by writing Docker files, creating images and containers, automateddeployments using Jenkins and enabled CI/CD for development and test environments.• Configured Kafka to send regular reminders to members for vaccination and prescription refills.• Developed test cases to perform unit testing using Junit and Mockito Framework.• Involved in setting up Amazon EC2 instances, virtual private cloud (VPCs), and security groups. Settingup databases in AWS using RDS, storage using S3 bucket and configuring instance backups to S3bucket.• Managed AWS infrastructure as code using Terraform. Used Terraform scripts to Automate Instancesfor Manual Instances that were launched before.• Coded and debugged the stored Procedures, Packages and Views in Oracle Databases using SQL andPL/SQL, which were called by user-oriented application modules.• Developed the UI (web pages) and APIs by following Agile Scrum, participated in daily stand-ups,sprint reviews, and Kick-offs and used RALLY for project management.

• Designed and developed applications using HTML, CSS, JavaScript, XML, Angular, NodeJS, JSP, JSON, J2EE, and Ajax.• Utilized Core Java, Java 11, J2EE, JSP, JDBC, RDBMS, JavaScript, jQuery, Ajax, XML, Chordiant 5.6, and Oracle.• Created shell scripts, built Spring Boot applications, and deployed projects using Jenkins and Angular.• Developed and maintained applications with Microservices architecture, Docker, Spring Framework, Spring MVC, Spring Integrations, and Spring Data.• Built scalable, low-latency API Gateway for MongoDB with JSON, and developed RESTful services with JAX-RS using Spring Boot.• Established CI/CD pipelines using Docker, Jenkins, GitHub, Maven, Bitbucket, ClearCase, and AWS.• Utilized SVN, JIRA, Confluence, Maven, GitHub, Jenkins, and Bamboo for version control, defect tracking, and content management.• Developed Java API for AWS S3, installed and configured Kubernetes, managed local deployments, and deployed Spring Boot Microservices as Docker images in OpenShift.• Implemented business logic with Oracle PL/SQL stored procedures, functions, and triggers.• Used Spring Core Annotations for Dependency Injection, Spring MVC for REST APIs, and Spring Boot for Microservices. Performed CRUD operations on MongoDB

• Involved in gathering requirements and built technical specifications from the requirements.• Used Eclipse as IDE to develop the application.• Designing the application using Spring Framework.• Designed and developed Microservices using REST framework and Spring Boot and used Bootstrapalong with Angular in creating the Application.• Developed single-page applications using Angular.js, Typescript, HTML5, CSS3, and Bootstrap.• Application and developed cross-browser and multi-browser compatible web pages using HTML, CSSand Bootstrap.• Developed responsive UI web pages using XHTML, HTML, CSS, Angular, and JavaScript and hasworked with Angular filters in expressions and directives to filter data in the UI.• Developed Hibernate with Spring Integration as the data abstraction to interact with the database ofMongoDB.• Implemented the application using Spring Boot Framework and handled the security using SpringSecurity.• Developed single-page applications, and components using Angular directives, controllers, view androuting, and service modules.• Designed and coded application components in an agile environment utilizing a Test-drivendevelopment approach.