Rajkumari S.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Hello! I'm Rajkumari, a seasoned MERN (MongoDB, Express.js, React.js, Node.js) stack developer with five years of hands-on experience in creating robust and scalable web applications. My passion for crafting efficient and user-friendly solutions has driven me to continually refine my skills and stay at the forefront of web development technologies. Technical Expertise: ------------------------ In my career, I've honed my skills in each component of the MERN stack: MongoDB: I excel in designing and implementing MongoDB databases, ensuring data integrity and optimal performance for applications with diverse requirements. Express.js: My expertise in building robust server-side applications using Express.js has allowed me to create scalable and efficient APIs, ensuring seamless communication between the frontend and backend. React.js: I specialize in developing dynamic and responsive user interfaces with React.js, leveraging its component-based architecture to create engaging and intuitive user experiences. Node.js: As a proficient Node.js developer, I've built scalable and high-performance server-side applications, handling concurrent requests efficiently and optimizing application performance. Key Achievements: ---------------------- Over the past five years, I've successfully delivered a range of projects, including: E-commerce Platforms: Developed and maintained e-commerce platforms, implementing features such as product catalogs, user authentication, and secure payment gateways. Real-time Applications: Created real-time applications using technologies like WebSocket, enhancing user interaction and providing seamless communication within the application. API Integration: Integrated third-party APIs to enhance application functionality, ensuring seamless data flow and extending the capabilities of the applications I've worked on.