Muhammad Usman 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 Senior Ruby on Rails Developer with 6+ years of experience building scalable, secure, and production-grade web applications for startups and growing businesses. I specialize in designing robust backend systems using Ruby on Rails, with a strong focus on clean architecture, performance optimization, and long-term maintainability. On the frontend, I work with modern frameworks like React to deliver responsive and user-centric interfaces. Beyond traditional development, I also integrate AI-driven features into web applications—such as intelligent automation, recommendation systems, and API-based AI integrations—to help businesses improve efficiency and user engagement. What I Deliver Scalable SaaS platforms built for growth Custom CRM and business management systems RESTful APIs and backend services Full-stack applications from concept to production AI-powered features and automation workflows Technical Expertise Backend: Ruby on Rails, Django, Node.js Frontend: React, Vue.js, AngularJS Architecture: REST APIs, MVC, OOP, scalable system design UI/UX: Tailwind CSS, Material UI, Ant Design, Bootstrap AI & Automation: OpenAI APIs, AI feature integration, workflow automation Practices: Agile/Scrum, clean code, performance optimization How I Work I focus on understanding the business problem first, then building solutions that are not only technically sound but also aligned with your goals. Clear and direct communication Reliable delivery timelines Scalable and maintainable codebases Proactive problem-solving I don’t just build applications—I help create systems that support long-term business growth. If you’re looking for a developer who can combine strong engineering with practical business understanding, let’s discuss your project. Thanks