 Developed, implemented, and tested Machine Control code (java) for automated payments handling solutions that drive productivity for users. Followed Agile methodology for iterative development of application to meet tight deadlines to achieve qualified product and Participated in Sprint planning sessions, Product backlog meetings, Sprint review and Sprint retrospective meetings. Closely worked with business system analyst to understand the requirements to ensure that right set of UI… Show more  Developed, implemented, and tested Machine Control code (java) for automated payments handling solutions that drive productivity for users. Followed Agile methodology for iterative development of application to meet tight deadlines to achieve qualified product and Participated in Sprint planning sessions, Product backlog meetings, Sprint review and Sprint retrospective meetings. Closely worked with business system analyst to understand the requirements to ensure that right set of UI modules have been built with the help of HTML5, CSS3, JavaScript, Bootstrap, AJAX, Angular. Integrated Angular 16/17 applications with RESTful APIs and backend services, facilitating real-time data updates and efficient data retrieval. Utilized Angular Material components and custom styling to create visually appealing and user-friendly interfaces in Angular 16 projects. Implemented single-page applications with TypeScript, Angular 17. Utilized Java 17 sealed classes to create more secure and maintainable class hierarchies, improving type safety and reducing the risk of unintended subclassing. Implemented object-oriented design principles and Java 8 features, such as multi-threading, lambda expressions and streams, to optimize code readability and maintainability. Implemented the application using Spring IOC, Spring MVC Framework, Spring Batch, and Spring Boot and handled the security using Spring Security. Designed and implemented Kafka-based messaging systems using Java to enable high-throughput and real-time data streaming between distributed components. Involved in writing SQL joins, clauses, stored procedures, triggers, and cursors using PL/SQL within JDBC, ODBC, and WebLogic server environments. Also implemented PL/SQL scripts, triggers, stored procedures, and views in Oracle DB. Show less

 My roles and responsibilities at Vanguard are developing and maintaining various aspects of the Capital investments accounts like mutual funds, ETFs, and retirement accounts. Engaged in all phases of SDLC in involving specifications, gathering Requirements, Designing, Coding, Testing, Deploying, and Maintaining in implementing projects. Responsible for creating efficient design and developing user interaction screens using HTML5, CSS3, Bootstrap, JavaScript, Typescript, and Angular… Show more  My roles and responsibilities at Vanguard are developing and maintaining various aspects of the Capital investments accounts like mutual funds, ETFs, and retirement accounts. Engaged in all phases of SDLC in involving specifications, gathering Requirements, Designing, Coding, Testing, Deploying, and Maintaining in implementing projects. Responsible for creating efficient design and developing user interaction screens using HTML5, CSS3, Bootstrap, JavaScript, Typescript, and Angular 12. In the Backend, we have used J2EE technologies such as Spring 4.0 framework and Implemented the Spring MVC and Spring Core Annotations for Dependency Injection (DI). Developed our application using features Spring Boot. Used Python to build serverless applications on AWS, leveraging services like Lambda, API Gateway, and DynamoDB to create highly scalable and cost-effective solutions. Used Oracle DB as the backend database and involved in design of the database schema and development of Stored Procedures. Spring Boot Microservices were developed with microservice architecture using REST and Apache Kafka. Deployed the application on Amazon Web services (AWS) and used it to provide a large computing capacity for scalable solutions. Extensively used core Java concepts like Collections Framework, and Exception Handling, I/O System, Multi-Threading, JDBC, Generics. Used Java8 features in developing the code like Lambda expressions, creating resource classes, fetching documents from database. Executed data migration projects to and from MongoDB, ensuring data integrity and minimal downtime during transitions. Built Micro Services using spring boot with continuous deployment and continuous integration using Docker and Jenkins. Used JBoss6.x Application server to deploy the applications and tested the web services using Postman, SOAP UI. Written JUNIT tests as per the use case and used Mockito framework to confirm the expected results. Show less

 Developed a resilient data replication application utilizing RESTful API designs, enabling seamless data exchange between front-end clients and back-end systems. Spearheaded the engineering of RESTful APIs with Java 11 and Spring Boot, seamlessly connecting the Angular frontend to the backend in Elanco's healthcare regulatory submission tracking system. Achieved a notable 30% acceleration in data processing.  Developed application using Angular 11 and Node JS connecting to AWS… Show more  Developed a resilient data replication application utilizing RESTful API designs, enabling seamless data exchange between front-end clients and back-end systems. Spearheaded the engineering of RESTful APIs with Java 11 and Spring Boot, seamlessly connecting the Angular frontend to the backend in Elanco's healthcare regulatory submission tracking system. Achieved a notable 30% acceleration in data processing.  Developed application using Angular 11 and Node JS connecting to AWS DynamoDB on the backend. Guided the migration of on-premises MySQL data to AWS, incorporating AWS DynamoDB for heightened scalability and enhanced performance.  Orchestrated the implementation of Kafka for streamlined data replication automation, ensuring efficient development and swift deployment of backend services in the regulatory tracking system.  Utilized Amazon Simple Queue Service (SQS) for reliable message queuing, enabling efficient communication between different services within the application. Executed comprehensive testing, including Angular 8 front-end with Jasmine for enhanced system reliability, and backend testing on Java 11 and Spring Boot services with JUnit to ensure robust functionality in the data replication application. Designed and deployed a multitude of applications utilizing almost all the AWS stack which Includes EC2, DynamoDB, Docker, and Kubernetes. Utilized Jenkins for CI/CD processes and integrated it with AWS EC2 instances for seamless Continuous Integration. Utilized shell scripting for automating routine tasks and deployments. Used JIRA for issue tracking and tomcat Server running for the application development and deployment. Designed and prepared Unit test cases using Junit and Log4j which helped in identifying and addressing a number of bugs before passing the application to the QA team. Developed and implemented several test cases using Junit and Mockito frameworks. Show less

 Involved in the analysis and design phase. Participated in Scrum meetings. Involved in the development of the presentation layer using JSP, HTML, and CSS. Developed using Spring validation framework and JavaScript for validation on the front-end side. Worked in the implementation of the MVC design paradigm of Spring framework, object-relational mapping(ORM) using Hibernate and Oracle database at the back end. Involved in injecting dependencies into code using concepts like… Show more  Involved in the analysis and design phase. Participated in Scrum meetings. Involved in the development of the presentation layer using JSP, HTML, and CSS. Developed using Spring validation framework and JavaScript for validation on the front-end side. Worked in the implementation of the MVC design paradigm of Spring framework, object-relational mapping(ORM) using Hibernate and Oracle database at the back end. Involved in injecting dependencies into code using concepts like IoC of Spring Framework. Configured Spring ORM that provides simplified templates for accessing databases through ORM technologies, such as Hibernate in our case to access the database. Developed Web Services using SOAP, WSDL, and JAX-WS programming model. Used WS-Security for providing security within SOAP messages. Worked on Data Access Objects (DAO), Session Facade, Service Locator, Business Delegate and Value Object patterns. Worked on Spring DAO, Spring MVC, and Spring AOP Interceptors. Used JMS to communicate between the bank module and the application to send automated notification emails to the customers. Used SVN to check in and check out and coordinate among team members for Version Controlling. Used Spring JMS template for the asynchronous exchange of critical business data & events among J2EE components and legacy systems. Performed unit testing using JUnit. Show less

 Focused on unit and integration testing to ensure software quality. Utilized GitHub for efficient source code management and adhered to best version control practices. Responsible for creating efficient design and developing User Interaction screens using HTML5, CSS3, JavaScript, ReactJS, and Bootstrap. Developed Java and Spring Boot backend services, creating RESTful APIs to enhance functionality of a customer self-service portal through seamless integration with the frontend.… Show more  Focused on unit and integration testing to ensure software quality. Utilized GitHub for efficient source code management and adhered to best version control practices. Responsible for creating efficient design and developing User Interaction screens using HTML5, CSS3, JavaScript, ReactJS, and Bootstrap. Developed Java and Spring Boot backend services, creating RESTful APIs to enhance functionality of a customer self-service portal through seamless integration with the frontend. Developed applications using React Redux architecture, ES6, web pack and grunt. Involved in creating a reusable component using ReactJS for DOM manipulation. Collaborated on JavaScript front-end development to optimize portal performance and scalability. Enhanced real-time service management features for an improved user experience, particularly under high loads. Utilized Java Server Pages (JSP) to enhance navigation and user interface design, improving the overall user experience of the portal. Implemented the DAO (Data Access Object) pattern to efficiently retrieve and manage data from the database, improving data access and maintenance. Used Multithreading concepts to optimize data processing, transforming files between different formats and efficiently populating database tables. Integrated MySQL database using JDBC for optimized data storage, retrieval, and management of data transactions, ensuring efficient data operations within the application. Written extensive JUnit test classes for comprehensive coverage of test cases. Show less