Muhammad 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.

With over a decade of experience as a Principal Software Engineer, I specialize in building robust microservices, full-stack applications, and blockchain solutions. My technical expertise spans across Node.js, MongoDB, Express, Typescript, Kafka, and RabbitMQ, with extensive DevOps proficiency in AWS, GCP, and Docker-based deployments. I have integrated multiple payment gateways such as Stripe, Checkout, and Mollie into scalable systems. In the blockchain domain, I’ve deployed smart contracts, created NFT marketplaces, and collaborated with platforms like Opensea and Moralis. My full-stack development skills extend to MERN Stack, ensuring seamless client-server interactions. Looking forward to collaborating on innovative solutions!