● Experienced in analysis, design, coding, and testing phases of Software Development Life Cycle (SDLC).● Coordinate MVC architecture, JSON, ExpressJS, HTML, jQuery, Bootstrap and CSS to craft a refined UI design for medical services and insurance bills using RESTful Architecture.● Leveraged Core Java skills in threading, collections, and exceptions to shape a robust healthcare application with OOPS principles. ● Developed RESTful APIs using Node.js and Express, enhancing server-side performance and maintaining high availability across distributed systems.● Architected and implemented GraphQL APIs, optimizing data fetching for client applications, reducing latency by 30% compared to REST.● Designed and managed PostgreSQL databases, ensuring efficient data storage, retrieval, and indexing for scalable web applications.● Improved application performance by refactoring and optimizing backend code, reducing query response times by 25% through PostgreSQL optimization and caching strategies.● Led the integration of third-party APIs and services, streamlining external data exchange while ensuring secure authentication and authorization using JWT and OAuth2.● Implemented backend best practices such as code modularity, reusable components, and clean coding standards, improving maintainability and reducing technical debt.● Collaborated with frontend teams to design scalable and efficient GraphQL queries and mutations, ensuring seamless data interaction between the client and server.

● Developed and maintained insurance web applications using Java, Spring Boot, and Angular, ensuring high performance and scalability.● Designed and implemented RESTful and GraphQL APIs for product management, order processing, and customer accounts, enhancing system integration and performance.● Optimized front-end performance using advanced JavaScript frameworks (Angular), reducing page load times by 80%.● Led the migration of legacy monolithic architecture to microservices, improving scalability and maintainability.● Implemented secure payment gateways and ensured compliance with PCI-DSS standards, reducing transaction failures by 90%.● Automated CI/CD pipelines using Jenkins and Docker, reducing deployment time and ensuring consistent delivery.● Enhanced search functionality using Elasticsearch, improving product search accuracy and speed.● Implemented RESTful APIs with OAuth 2.0 and JWT authentication to ensure secure and regulated resource access, enhancing data security and compliance.● Implemented and optimized CRUD functionality across various product components using Spring Data, resulting in a 20% improvement in system efficiency and enhanced user interaction.● Integrated Kafka to enable event-driven communication across microservices, allowing for real-time data processing and streaming, which improved system responsiveness and data flow.● Designed and deployed data visualization solutions with PowerBI for real-time business insights.● Implemented caching methods and optimized database queries to improve system speed by 60%.

• Developed and maintained banking web applications using Java, Spring Boot, and Angular, ensuring high performance and security compliance.• Designed RESTful APIs for transaction processing, account management, and customer service functions, improving response times by 60%.• Implemented microservices architecture to enhance scalability and maintainability of banking systems.• Led the migration of legacy systems to modern cloud-based solutions (AWS), reducing infrastructure costs by 30%.• Collaborated with cross-functional teams to define requirements, develop specifications, and deliver seamless banking solutions. • Built and optimized interactive user interfaces for banking dashboards using React and Redux, improving user engagement by 80%. • Utilized Axios for making HTTP requests in JavaScript applications, enabling seamless communication with backend APIs, which improved data retrieval speed and reliability.• Configured Axios default settings for base URLs, headers, and timeouts to standardize API requests across the application, resulting in more consistent and efficient API interactions.• Integrated third-party services for payment gateways and fraud detection, enhancing transaction security and user trust.• Configured and maintained web servers (Tomcat) to ensure high availability and performance.• Implemented unit testing using JUnit and Mockito, resulting in a 30% reduction in bugs and issues.• Utilized CI/CD pipelines with Jenkins and Docker for automated testing and deployment, significantly reducing release cycles.• Developed code using Free Marker templates, JAXB, and JiBX utilities, which streamlined data binding and template processing, resulting in a 30% increase in code maintainability and a 20% boost in efficiency.• Enhanced security measures by implementing OAuth2 and JWT for authentication and authorization processes.