Bhargav K

About Bhargav K

Full Stack Developer with 5+ years of experience designing and delivering cloud-native…

Experience

1. Java Full Stack Developer

   Capital One

   Jul 2023 — Present · US

   Enhanced the efficiency of credit card application workflows by leveraging Java EE for backend solutions and React for dynamic frontend interfaces. Utilised Spring Boot\'s capabilities to construct RESTful APIs, streamlining the creation of API endpoints and enhancing system interoperability, which reduced development time and increased system efficiency. Leveraged JPA to implement efficient data access and persistence strategies for critical banking and finance applications, optimizing database operations and ensuring data integrity, which improved data retrieval speed and accuracy. Employed React components and directives to create a modular frontend architecture, fostering code reusability and simplifying maintenance, which led to easier updates and reduced development costs. Developed highly responsive, type-safe frontend interfaces using React with TypeScript, enhancing application scalability, maintainability and reducing type-related bugs during development. Implemented advanced Hibernate features, such as caching and batch processing, which optimized database interactions and improved the performance of high-volume transaction systems within banking applications. Leveraged MySQL’s support for JSON data types and functions to effectively manage semi-structured data, resulting in flexible data modeling and storage solutions. Utilized AWS EC2, S3, AKS instances for hosting and deploying both backend and frontend components, ensuring high scalability and availability of the application. Conducted comprehensive unit, integration and UI testing using JUnit, Selenium and Mockito, ensuring code quality, system reliability and a seamless user experience through automated regression test suites. Engineered robust authentication and session management workflows using Spring Security with JWT tokens and OAuth2, ensuring secure, scalable and stateless access control across microservices handling sensitive financial transactions.