Worked with business teams on requirements gathering and estimating the efforts for development using agile methodology Involved in all phases of Agile Scrum Process like Stand up, Retrospective, Sprint Planning meetings.Work in service Oriented Architecture (SOA) Design and development using Java, J2EE, Spring, Spring Boot, Maven, Rest/Json.The web application developing Using Spring Boot Frame work Develop the code following Object oriented programming concept- Core Java multi-threaded programming, collection classes and contribute to the design and develop high quality software for large scale Java/Spring Boot/Micro-service Applications.Perform daily operations of enterprise systems using Spring Batch framework which is designed to enable the development of robust batch applications vital.Apache Spark and Kafka. Migrating some of the applications from AngularJS6 to AngularJS7 and componentize the code as per the Angular 6 recommendations for better testability.Use Spring DAO and JDBC to implement the data access layer and other database interaction functionalities.Develop RESTful APIs in Spring Boot framework and deploy the application to Kubernetes through docker images.Use MongoDB to implement a data store that provides high performance, high availability, and automatic scaling and use JSON to store the date in the collection through document.Migrate the current projects from HBase to MongoDB to increase the performance.Migrate the date to cloud - Snowflake Expertise in Apache Kafka message implementations and their integrations with the systems.Perform developer level JUnit testing/Integration testing to assure the code is valid before sending it to the testing team.

Refactored existing React Native codebase to enhance stability, reduce memory consumption and improve the overall user experience; increased mobile app performance by 40% in 3 months. Utilized Redux library for state management of components and Flux architecture to create a unified application platform with improved scalability. Integrated REST API endpoints into existing web applications, allowing seamless data transfer across multiple platforms while reducing development time by 25%. Structured reusable UI components based on custom design specifications in order to optimize coding efficiency and maintain high-quality standards throughout the project duration; reduced bug count by 20%. Revised over 15 mobile applications for iOS and Android, reducing their load time by 37% and increasing user engagement rates by 25%. Prepared detailed project plans outlining development tasks related to the creation of React Native apps from scratch with a focus on scalability, usability, and performance; enabled the release of four new products within 6 months. Competently developed front-end components using JavaScript/TypeScript as well as popular libraries such as Redux & Flux while integrating RESTful APIs into existing systems. Spearheaded two successful updates of the application utilizing React Native technology that increased customer retention rate by 45%, resulting in over $20,000+ in profits in just two quarters alone. Designed intuitive user interfaces with native UI elements, including navigation drawers, search bars & custom icons compatible across multiple devices without compromising any functionalities or aesthetic appeal.

Responsible for building out the static Ul, added the dynamic attributes to large automotive application. Created custom Push Notifications, RESTful APIs, and interaction using React-Native. Engineered login front end functionality - including RESTful service calls, keychain, credential storage, routing, token verification, and error notifications for international Buick and Chevrolet mobile applications. Developed hybrid mobile platform for automotive applications using JavaScript and React Native, resulting in 88% code share between iOS and Android while reducing development time by 33%. ) Architected application following Atomic Design Principal leading to 44% increased reusability of components. ) Changed Redux actions to Promises, and Lifecycle Methods to asynchronous functions using ES7 async await to better manage React]S level state and cut Redux container development time by 80%. ) Built features for 100,000+ users through CSS3, Flexbox, Storybook, React Navigation, LayoutAnimated and Animated API in response to user scroll and click events to enhance UI/UX and improve user retention by 30%. Increased statement and branch coverage to 56% and 51% respectively by writing Jest and Enzyme tests. ) Involved in daily standups, extreme programming techniques, and Agile mastery. ) Responsible for design and development of various components such as tab bars, map view, image picker, document picker, push notifications, sign-in/out features, profile management and navigation using react -native . Used Git for version control of the source code along with the maintenance of the builds and the relevant documents of the same. ) Increased test coverage by 55% using Enzyme and Jest revealing vital bugs in login flow which led to increase of projected user growth by 22%. ) Refactored error message handling design by implementing React Native alert dialog resulting in potential decrease of user input errors by 44%. ) Lead team in adoption of React-Native best practices. )

Worked on all phases of Agile software developing methodology for developing applicationStarted the DIVA MIGRATION Project as an only single individual developer by developing POC screens for 2 applications i.e., System Maintenance & Administration on Angular 5.0Worked on Vue.js, a progressive JavaScript framework for building user interfaces.Involved in Analysis, Design, Development, Integration and Testing of application modules and followedAGILE/ SCRUM methodology. Participated in Estimation size of Backlog Items, Daily Scrum and Translation of backlog items into engineering design and logical units of work (tasks).Selecting the appropriate AWS service based on compute, data, or security requirements.Experiences in using build/deploy tools such as Jenkins, Docker and Open Shift for Continuous Integration & Deployment for micro services.Implemented REST full services with JAX-RS using Spring Boot and Micro services Architecture.Developed Controller for request, response paradigm Used JSON as response type in REST servicesWorking on AWS Elastic load balancing for deploying applications in high availability.Writing SQL queries for necessary action on a webpage as per the requirements. Fixing the applicationdefects/bugs in quick turnaround time