- Engaged in various SDLC stages within Agile methodologies: requirements gathering, modeling, analysis, design, development, and testing.- Used JIRA for issue tracking, monitoring, report generation, and audits, and Maven for dependency compilation.- Integrated Node.js with MongoDB for seamless component connection.- Managed RESTful calls efficiently with Angular 10 Ajax modules.- Developed web apps using Express.js in the Node.js environment.- Implemented authentication and authorization security using Passport and JSON web tokens.- Developed single-page apps with Angular 10 and React.js, alongside nest.js and AngularJS 1.5.17.- Leveraged Java 11, Spring Boot, and Spring MVC for Micro Services development.- Crafted SQL queries, procedures, and functions tailored for MS SQL Server.- Utilized MongoDB for NoSQL document-based data stores and optimized data models.- Deployed Docker containers on AWS EC2 for monolithic and Microservice architectures.- Orchestrated deployments using Kubernetes for seamless scaling and management.- Established Lambda Deployment function to receive events from S3 bucket.- Monitored AWS services with Amazon CloudWatch and managed logs using Amazon CloudWatch logs.- Utilized AWS developer tools like AWS CodeCommit, CodeDeploy, and CodePipeline for CI/CD.- Designed data movement strategy to HDFS via Apache Kafka for efficient and reliable transfer.- Developed exhaustive JUnit tests using TDD techniques to validate unit test cases effectively.

- Developed presentation layer using HTML, SASS, JSP, Ajax, CSS, and jQuery, maintaining UI interface with JSP/Tiles, JSTL, PHP, Vanilla JavaScript, and Bootstrap.- Worked in Agile Methodology (Scrum), focusing on UI Design and coding with Java, J2EE, Spring framework, Hibernate, and Microservices.- Prepared Maven build scripts, managed deployments, and integrated application modules using Core JAVA and DB2 tools.- Created Java APIs for Amazon Lambda, deployed REST APIs and Microservices with Spring Boot, and implemented OAuth 2.0 authentication.- Developed GraphQL APIs with Java-based frameworks like GraphQL Java or Spring Boot GraphQL and managed services in AWS.- Utilized Java microservices integrated with Kafka for real-time data streaming, deployed on Kubernetes clusters using Ansible and Terraform, and orchestrated CI/CD pipelines with Jenkins.- Managed and secured cloud services (AWS, Cloud Bees, JIRA) and worked extensively with AWS services like EC2, S3, RDS, SQS, and IAM.- Developed React applications using Redux for state management, React router for single-page applications, and React JS for interactive UIs.- Expertly worked with microservices development using Spring Boot, deployment in Pivotal Cloud Foundry (PCF), and API management with APIGEE.- Integrated ForgeRock IAM solutions for identity provisioning, authentication, and authorization processes, incorporating IAM best practices.- Implemented RESTful Web services with Spring Security and OAuth 2.0, interacted with DynamoDB for NoSQL data storage, and designed dashboards using Tableau.- Integrated Open Telemetry instrumentation into Java applications and worked on POCs of high-end APIGEE innovative proxies.- Developed GoLang microservices, performed UI testing using Selenium with BDD, and managed CI/CD pipelines with Jenkins.- Utilized Elastic Search and ELK stack for logging, monitoring, and implemented ESB solutions using JBOSS ESB, Java, Spring, and Hibernate.

• Used Agile methodology for design and development of the project.• Developed UI modifications for portal using XSLT, HTML, CSS, XML, jQuery and JavaScript. Created RESTful web services interface to Java-based runtime engine. Implemented Model View Controller (MVC) Architecture-based presentation using the JSF framework, and worked with Servlets, JSP, JDBC, and JavaScript under MVC Framework.• Involved in Drawing Case diagrams, Class diagrams, and Sequence diagram for each scenario.• Used Spring MVC and Spring frameworks to develop Java 1.6 web applications, leveraging their features andcapabilities to simplify development and improve code quality.• Used MongoDB clusters, Java Scripting to load unstructured data into sharding environment.• Used JSON web tokens mechanism for authentication and authorization security configurations using Node.js, and implemented user validations and user permissions.• Used React JS in the development of the web application to bind the data/model that is being retrieved from a database through services provided in a controller to the view using a scope.• Used GitHub and Jenkins to build the CI/CD pipeline and daily builds and deployments using Gradle.• Developed RESTful web services and MVC frameworks using Spring MVC, leveraging its capabilities to simplify webdevelopment and improve code quality.• Worked with Spring validation framework to implement server-side validations and used AngularJS and AJAX to get data from the server asynchronously using JSON objects.• Worked with Apache CXF as the Web Services framework to implement the REST APIs involved.• Involved in creating PL/SQL scripts, stored procedures, and Packages and resolving any database-related issues.• Used PostgreSQL for database backup and recovery procedures.• Deployed application using Apache Tomcat server and Used GIT for code reviews and pull requests.

• Developed a prototype of the application and demonstrated it to business users to verify the application functionality.• Implemented the MVC Architectural Pattern using Struts Framework including JSP, Servlets, Form Bean, and Action classes.• Developed internal and external validation code using JavaScript.• Designed various screens and their architecture in accordance with UI Specs.• Installed, serviced, and fixed server-side issues.• Written stored procedures, triggers, and cursors using Oracle PL/SQL.• Created and deployed web pages using HTML, JSP, JavaScript, and CSS.• Worked with multiple application servers like WebLogic 10.3, IBM WebSphere 7, and Apache Tomcat 6.0 to deploy, test, and run the application.• Utilized various frameworks including Spring 2.5, Struts 2.x, and Hibernate 3.2.1 to develop the application’s functionality and improve its performance.• Used PL/SQL to write stored procedures, triggers, and cursors to manage the application’s back-end data and improve its performance.• Used JIRA to track project progress, issues, and bug fixing, which helped in improving team collaboration and project management.• Worked with HTML, XML, XSL, JSTL, JSP, and AJAX to create dynamic and responsive web pages that improve user experience.• Developed the application’s front-end using JSON, jQuery, and Drupal to create visually appealing and user-friendly web pages.• Written JUnit Test cases for performing unit testing.