Muhammad Usman
Full Stack Software Engineer //
Solo
About
I’m a Full Stack Software Engineer with hands-on experience building scalable fintech and SaaS platforms. I specialize in React, Next.js, Node.js, and Prisma, and have led the development of multi-role dashboards, payment integrations, and real-time systems used by thousands of users. I focus on writing clean, maintainable code and designing backend architectures that scale efficiently. From API design to cloud deployment on AWS, I enjoy building end-to-end solutions that solve real business problems.
If you’ve got any questions or just feel like chatting, send me an (Email) I’d love to hear from you.
Projects
See AllFintech Payment Dashboard Platform
A scalable multi-role fintech platform enabling merchants, agents, and admins to manage transactions, reporting, and payment processing. Built secure REST APIs, role-based access control, and real-time updates to handle high-volume financial operations.
Multi-Tenant SaaS Architecture
Designed and implemented a multi-tenant backend architecture supporting separate dashboards, permission groups, and dynamic configurations. Optimized database queries and improved system performance for production-scale workloads.
Real-Time Notification System
Built a real-time socket-based notification system for transaction updates and status changes. Implemented efficient user-to-socket mapping and event-driven architecture for instant client updates.
Tech Stack
Work Experience
Full Stack Software Engineer at GreenCard Payments
Leading full-stack development for a US-based fintech platform focused on digital payment solutions. Designing and developing scalable backend services, multi-role dashboards, and payment gateway integrations using React, Next.js, Node.js, Prisma, and AWS. Responsible for building new modules, optimizing system performance, and maintaining production-grade infrastructure serving real-world users.
Full Stack software Engineer at Walee Technologies Pvt. Ltd.
Developed and maintained responsive web applications using React and Node.js, collaborating with backend teams to deliver complete full-stack solutions. Focused on improving UI performance, implementing reusable components, and enhancing overall user experience across client projects.
MERN Stack Software Engineer at TechBrainz Consulting
Built full-stack web applications using the MERN stack (MongoDB, Express, React, Node.js). Implemented secure authentication with JWT, developed RESTful APIs, and managed state using Redux. Contributed to delivering scalable and maintainable solutions for business clients.