Developed scalable and robust applications with modern Java frameworks and libraries, such as Spring, Hibernate, and Apache Kafka.Our primary focus on the back end revolves around Java 17 and Spring Boot. Leveraging the latest features in Java, we implemented the core logic of the PTC Interoperable lifecycle management application. Spring Boot enables the development of microservices. This architecture enhances scalability and facilitates independent development and deployment of services.As a Java Full Stack Developer, my role involves crafting the user interface of the interoperable operations of Railways (Locomotives). Using Angular 14, HTML, CSS, and JavaScript, Angular Material we have created visually appealing and responsive layouts. Using jQuery to simplify DOM manipulation and handling asynchronous tasks and ensuring a smooth user experience for communicating across railroads.Worked with modern Java frameworks and libraries, such as Spring, Hibernate, and Apache Kafka, to develop scalable and robust applications.Data governance principles and best practices, ensuring data security, privacy, and confidentiality.Collaborate with cross-functional teams, including data scientists, analysts, and business stakeholders, to deliver data-driven insights and solutions.Delivered high-quality software products, meeting project deadlines, and exceeding customer expectations.Familiarity with containerization and virtualization technologies such as Docker and Kubernetes to deploy and manage Java applications in cloud environments.Developed web pages using HTML 5.0, CSS 3, JavaScript, Bootstrap 4, Node JS, Angular 15, AJAX and JSON.Wrote SQL queries using spring JDBC template to interact with relational databases like PostgreSQL, SQL Server, Oracle and DB2.Developed Angular unit tests for testing angular components using Jasmine and Karma.In the development workflow, we implemented CI/CD pipelines to automate testing, building, and deployment processes.

Worked on parsing the XML files using DOM/SAX parsers.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.Creating and designing data ingest pipelines using technologies such as Apache Storm-Kafka.Worked aggressively towards continuous improvement by implementing unit test cases using testing tool Cucumber.Integrated with Spring Cloud projects to provide distributed tracing and other features.Developed microservices with Spring and tested the application using Spring Boot.Used Spring Core annotations for Spring Dependency Injection, Spring MVC for Rest API’s and Spring Boot for microservices.Involved in Integration of Amazon Web Services AWS with other applications infrastructure.Designed user-friendly UI wireframes for a web application using Adobe XD and GUI.Developed a single page web application using ReactJS and NodeJS, to create an efficient one stop shop for all companywide status updates and track employees’ progress of tasks.Involved in writing Java API for Amazon Lambda to manage some of the AWS services.Expertise in implementing view-rendering JavaScript using React JS and JQuery.Used multi-threading in programming to improve overall performance using Singleton design pattern in Hibernate Utility class.Designed various tables required for the project in MySQL database and involved in coding the SQL Queries, Stored Procedures and Triggers in the applicationUsed Amazon Cloud Watch to monitor AWS services and Amazon Cloud Watch logs to monitor application.Implemented Spring boot Microservices to process the messages into Kafka cluster setup.Developed test scripts to automate process of testing in Selenium WebDriverInvolved in setting up Test automation and developed cucumber feature files and used Selenium for automated testing with TestNG.Used Gitlab and GitHub for version control.

Involved in various SDLC phases like Requirement gathering, Design, Analysis and Code development and the project was developed using Agile based SCRUM Methodology.Designed and developed the gateway framework with caching features. Applied design patterns such as delegator, singleton and other J2EE patterns.Developed automation test cases using Java and selenium on Eclipse for web 2.0 Ajax application.Experience using testing strategies such as TDD, including knowledge of JUnit and/or Selenium.Used Angular 9 to route different endpoints and created custom directives to display data in UI.Developed REST web services to expose the Middleware services. Applied agile methodology for design/ development, prepared project plan and test plans.Developed Single Page applications using Angular 9 using components, directives using Typescript.Created read replicas of AWS-RDS-NoSql Mongo DB in various regions and AZs using backups and snapshots and scale out AWS-RDS-NoSQL Mongo instance to additional AZs and regions based on requirements using DB snapshots.Worked on Jenkins and Docker for CI / CD of the micro services developed and managing them.Tested the response format of REST services in XML, and JSON. Used various drivers specific to each browser to write scripts for testing across various browsers.Implemented a production ready, load balanced, highly available, fault tolerant Kubernetes infrastructure.Composed and executed Mongo DB scripts to insert and update NoSQL database, automating data changes and reporting.Developed front end pages using HTML/CSS/JS. Using Angular 8/9 for front end development. Worked on migrating Angular old forms to Final New forms and performed validations using Angular 9 Form module.Coded extensively using JavaScript MVC Framework, Angular 8/9 to make rich internet web application for a Single page app (SPA). Worked on Angular 8 and Node JS to enhance front end functionalities as per business requirements.

Involved in SDLC Requirements gathering, Analysis, Design, and Development, testing production of the application using both Waterfall model Kanban.Involved in design discussions and understanding of business requirements and identify the relevant functional and technical requirements.Worked with Spring Core, Spring MVC Framework for Dependency Injection (DI), and Spring Context to provide message sources.Used Struts framework to follow MVC Architecture in the application server.Designed and developed presentation layers using JSP, Java Beans, CSS, HTML, DHTML, jQuery and JavaScript, Json in UI pages.Writing JavaScript functions for various validation purposes. Writing Java Beans to contain data objects. Implemented session beans, entity beans, and message-driven beans.Develop custom directives, controllers, views and filters using Angular JS, Angular 2/4Dynamic form generation auto-completion of forms and user-validation functionalities using AJAX.Used SOAP JAXB for producing web services and involved in writing programs to consume web servicesDeveloped the application using Spring MVCFramework that helps in separating the business logic, presentation logic and navigation logicWritten Spring Core and Spring MVC files to associate DAO with Business LayerWritten different Routing (SPA), modules and reusable components using Angular 4Involved in AWS EC2, Amazon S3, Amazon Elastic Load balancing and other parts of AWS infrastructure. Worked on the jQuery JavaScript Library that simplifies HTML document traversing, and event handling.Deployed the applications on IBMWebSphere6.0 Application ServerUsed IBM RAD versions 8.0 8.5 as IDE for the enterprise application Project development

Worked with core java concepts such as Oops, Multi-threading, collection framework and Exception handling.Implemented the application using Spring IOC, Spring MVC Framework, Spring AOP, Spring Boot, Spring Batch, and handled the security using Spring Security.Designed and developed the End Points (Controllers), Business Layer, DAO Layer using Hibernate/JDBC template and Spring IOC (Dependency Injection).Utilized Hibernate for Object/Relational Mapping purposes for transparent persistence onto the SQL SERVERUsed JIRA to assign, track, report and audit the issues in the application.Implemented Design Patterns like Front Controller, Business Delegate, Service Locator, Session Facade, Data Access Objects, Singleton.Designed and developed the UI using Struts view component, JSP, HTML, CSS, and JavaScriptUsed Web services (SOAP) for transmission of large blocks of XML data over HTTPInvolved in creating various Data Access Objects (DAO) for addition, modification and deletion of records using various specification files.