• Conducted performance optimizations, reducing page load times by 30% through code refactoring and implemented caching strategies reducing 50% of the database queries• Developed backend services using Java and Spring Framework• Customized most of the functionalities being able to be configurable in the admin side.• Configured and Managed Docker containers, Docker images for Web servers and application servers• Propose data base schema designs for the new data base tables of the enhancements

• Involved in requirements gathering, designing and development phases required to gather the information of customers.• Developed the Presentation layer using JSP, HTML and used AJAX based rich client for improved customer experience.• Developed user interface using Angular with JavaScript and Spring Boot.• Utilized Angular for creating buttons, tables, models, dialogues, tooltips, progress animation, form areas and cards etc.• Developed back-end server-side code in Java using spring framework for various activities of application using Test Driven Development methodology.• Perform unit testing with Jest and webservices with RESTful API.• Contributed to the development of RESTful APIs, allowing for seamless communication between the front-end and back-end.• Developed custom Kafka producers and consumers to ingest and process large amounts of data, improving data management and analysis.• Implement AWS Lambda functions to run scripts in response to events S3 buckets and HTTP requests using Amazon API Gateway.• Monitor functioning of the system and track each request to ensure system operates in conformance with specifications and storing the data in the AWS S3 buckets.• Wrote ANT build scripts to compile Java classes and create jar, performed unit testing and package them into ear files. • Created Control plane Batch jobs for the Integration runs over the nodes to start the containers.

Contributed to developing a new enhancements using React JS and Typescript.Created Forms, Validations, Modals, Material Design, Routing navigation, Custom directives, Optimization of the Application and Services connection to the back end.Creating Routes, Guards, Directives, Service’s to communicate with the back end primarily built Restful Web Services using Java Spring.Employed optimization techniques such as lazy loading and asynchronous loading to enhance the loading speed and overall performance within web applications.Used JavaScript for Asynchronous Data using Ajax, JSON, Async, Await and Promises for working with the back end.Developed Service Oriented Architecture (SOA), Micro Service Architecture and SOAP, Restful API’s services-based Java/J2EE applicationsProficient in configuring Spring Batch components such as JobLauncher, JobRepository, and JobExplorer to manage batch jobs and job instances.Integrated Hibernate as the ORM tool for Java Spring, improving database management and reducing complexity.Worked in Design, development and testing of web application and integration projects Experience in unit testing of Java based applications using Junit and Mockito frameworksWebpack bundler to manage dependencies, and create a production-ready build

Worked with business analysts to understand their business models and goals and help define strategy, content, and features.Developed React JS pages, Web services calls and AJAX calls for the application.Designed the Web application layout and forms using HTML, CSS, and JavaScriptCreated modular CSS using LESS for reusability and easy to read code