• Engineered an internal candidate tracking module to optimize project allocations and support employee development initiatives.• Developed a Skill Endorsement and Validation feature using React for the frontend and Spring Boot for the backend.• Designed and implemented RESTful APIs with Spring Boot to facilitate unified data exchange between frontend and backend to support skill endorsements and validations. This improved system scalability by 25%.• Created responsive and user-friendly React components for skill management, enhancing user experience and reducing interface-related issues.• Implemented a comprehensive Skill Gap Analysis and Personalized Training Recommendation system by integrating data processing algorithms and developing interactive dashboards to display the disparities between employees’ skills and the required project needs.• Optimized Oracle SQL database performance by refining complex queries, reducing data retrieval times by 20% and enhancing application responsiveness.• Conducted API testing through Postman, verifying functionality, and fixing API RESTful services for backend systems’ reliability and performance, resolving severe issues before deployment. • Technologies Used: Java, Spring Boot, React, SQL

• Developed a quiz hosting platform using React and TypeScript, integrating Redux for state management and RTK Query for efficient data fetching, resulting in faster and more reliable user interactions.• Led the frontend migration from jQuery to React, reducing the average page load time by 2 seconds, improving user experience and overall site performance.• Designed and implemented profile management features, including user registration, login functionality, password updates, and profile picture changes, enhancing the user experience for both new and returning users.• Developed RESTful APIs using Node.js to handle backend operations for quiz creation, modification, and user interactions, ensuring seamless communication between the front-end and back-end.• Implemented real-time quiz scoring and feedback modules, allowing customers to receive instant results and personalized feedback, improving user satisfaction and engagement.• Managed database interactions using MongoDB (NoSQL), optimizing data storage for quizzes, user profiles, and quiz results, resulting in improved performance for real-time data retrieval.

• Engineered backend services for an insurance firm, ensuring seamless integration with frontend technologies such as React and TypeScript to enhance user experience and application functionality.• Implemented the backend services for a CRM system using Java and core insurance services using Node.js, ensuring secure, scalable, and high-performance microservices architecture, with seamless integration of authentication and authorization mechanisms to protect sensitive customer data.• Crafted 15 efficient and optimized SQL queries, stored procedures, and database structures in PostgreSQL, improving data retrieval times, maintaining data integrity, and supporting complex customer data transactions.• Integrated AJAX for asynchronous data fetching and real-time updates within the CRM system, significantly improving application performance and user interaction by reducing page load times to under 1 second.• Utilized AWS services, including EC2 for scalable computing, S3 for durable storage, and Lambda for serverless computing, to build, deploy, and manage scalable cloud-based solutions for the CRM system with high availability and security.• Helped in the design of a custom API gateway solution for fraud detection for user submitted claims• Performed comprehensive unit testing using JUnit, creating test cases to validate code quality and reliability, identifying and resolving bugs early in the development process, and maintaining high standards of software performance and stability for the CRM system.• Administered using Git, organizing code repositories, implementing branching strategies, and tracking version history, facilitating seamless collaboration with team members and ensuring proper management of changes and updates to the codebase.

• Engineered and maintained e-commerce web applications with Java, delivering fault-tolerant and scalable backend solutions that addressed complex business requirements and optimized site efficiency.• Created RESTful APIs to establish seamless integration points between front-end applications and third-party systems, including payment gateways and inventory management systems, enabling efficient data exchange and application integration.• Developed and optimized SQL queries in MySQL, reducing query response times to under 2 seconds, enhancing database interactions for real-time inventory updates and ordering functions.• Designed and implemented web interfaces with HTML, CSS, JavaScript, and Bootstrap, improving user experience through visually appealing and responsive designs compatible with various devices and browsers.• Engaged in the SDLC from requirements gathering to coding, testing, implementation, and maintenance of the e- commerce platform, ensuring adherence to project scope, timelines, and quality standards across multiple projects.• Utilized Selenium for comprehensive testing and automated script creation, validating the availability, functionality, and efficiency of the e-commerce site by identifying and addressing defects early in the development process.• Technologies Used: HTML, CSS, JavaScript, MySQL, Bootstrap