Md 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.

I am a Node.js Backend Developer with expertise in microservices, MongoDB, GraphQL, Redis, Express, and Koa. I have a strong passion for building scalable, high-performance, and efficient web applications. Throughout my career, I have worked on various projects and gained a diverse range of experience in designing, developing, and deploying microservices-based architectures. I have a deep understanding of Node.js and its ecosystem, and I am always exploring new tools and technologies to improve my skills and knowledge. My expertise in MongoDB and Redis has enabled me to build highly performant, scalable, and fault-tolerant databases for various applications. I have extensive experience in data modeling, indexing, and optimization, and I am well-versed in using these databases with Node.js. In addition to my experience with microservices, MongoDB, Redis, Express, and Koa, I am also proficient in using GraphQL to build APIs. GraphQL is a query language for APIs that allows for more efficient and flexible communication between the client and the server. I have experience in using GraphQL with Node.js and have developed APIs that leverage the power of GraphQL. I have built schemas, resolvers, and queries using GraphQL to provide a better experience for both the client and the server. I believe that GraphQL has a lot of potential and is a valuable tool for building modern web applications. Its ability to reduce the amount of data transferred between the client and server makes it a great choice for building high-performance applications. If you are looking for a Node.js Backend Developer with expertise in microservices, MongoDB, Redis, Express, Koa, and GraphQL, I would love to connect with you. Please feel free to reach out to me to discuss how we can work together to build innovative and efficient web applications.