Arun Kumar Email & Phone Number

Fremont, Ca, Us

Texas, United States

• Collaborate with cross-functional teams using Agile methodologies to ensure project alignment with business objectives.• Create 2+ Jenkins pipelines for CI/CD, streamlining the development workflow and improving release velocity.• Successfully migrated microservices to Docker containers, achieving a reduction in infrastructure resource consumption.• Communicated with backend developers to resolve API integration issues using both REST API and SOAP UI with JPA.• Improved code quality and consistency by integrating static code analysis and unit tests into the CI/CD pipeline for React.JS, NodeJS and backend projects.• Implemented state management in React applications using Redux and MobX, optimizing data handling for complex applications with single-directional data flow.• Used Spring JDBC for persistence objects in a database and included the concepts of Spring boot starter, dev tools, JPA, MySQL-connecter and Auto-wired concepts of Rest Controller, Service, Entity, and Repository. • Integrated Spring Cloud Stream and Spring Cloud Task for asynchronous messaging and task execution, enhancing system scalability and enabling efficient, loosely coupled microservices communication.• Developed full-stack web applications by integrating React.js on the front end, Node.js for server-side logic, and Spring Boot for building robust, scalable microservices-based back-end systems.• Design and implement 8+ microservices using Spring Boot, achieving a 30% reduction in application complexity.• Contribute to the production deployment and monitoring of an application into AWS EC2, utilizing tools such as Elastic Beanstalk, Lambda, Code Deploy, and CloudWatch.• Orchestrated efficient NoSQL database solutions with DynamoDB, optimizing data retrieval times by 25% and implementing partition key strategies for reduced query latency.

India

• Developed and maintained production web applications using Java 11 & 8, J2EE, JavaScript, and associated technologies within a collaborative team environment.• Involved in major system conversions, demonstrating proficiency in transitioning outdated applications to modern, Microservices Spring Boot-based systems.• Utilized extensive expertise in modern technologies, including React, NodeJS JavaScript, TypeScript, Nodejs, jQuery, HTML5, CSS, Spring Framework, JUnit, SOAP, and REST, to deliver high-performance applications.• Built custom, reusable React components for scalable, modular front-end development, including UX elements like buttons, checkboxes, dropdowns, and multi-level menus.• Implemented form validation, and error handling, and utilized Angular Material components to ensure data accuracy and create visually appealing user interfaces following coding standards.• Demonstrated solid experience in backend development, working with PostgreSQL, Oracle databases, and tools like H2 Console for data transfer and maintenance.• Updated and modernized code to adhere to Spring's coding conventions and design patterns, integrating Spring components like IoC and Spring MVC framework.• Executed Test-Driven Development (TDD) practices and unit testing frameworks, such as JUnit, to minimize bugs during User Acceptance Testing (UAT) and System Testing.• Executed Spring MVC, JPA to construct RESTful APIs, leading to an 18% increase in API response times and improved integration capabilities of applications.• Performed coding standards and best practices within the Angular project, leading to a 25% decrease in bug rates and upgraded code maintainability by testing using Junit, Cucumber and Mockito along with Spunk as monitoring tool.