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I will build a full stack mern web app, saas dashboard, or custom web application
Haseeb
About this gig
Building a SaaS platform, business automation system, or custom web application that actually scales takes more than writing code it takes architecture decisions that hold up under real usage.
With 8+ years of full-stack development experience across SaaS, fintech, and enterprise platforms, every project is built for performance, security, and long-term maintainability. Past platforms have helped clients generate $7M+ in total revenue, reduce operational overhead by 40%, and onboard thousands of users on production infrastructure including Ucardia ($555K+ this year), PrognosUS, ITBoost, and CareSnap.
What gets built:
Full-stack web applications on React, Node.js, Express, and MongoDB. SaaS dashboards with subscription billing, role-based access, and real-time analytics. REST API architecture and third-party integrations. Admin and multi-role user management. Secure JWT and OAuth authentication. Cloud deployment on AWS, Vercel, or Render. Job boards, business automation tools, fintech dashboards, and custom client platforms.
Tech stack: ReactJS | NextJS | NodeJS | ExpressJS | MongoDB | PostgreSQL | TypeScript | GraphQL | Socket.io | AWS | Tailwind CSS
- Send a message before ordering
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Get to know Haseeb
Haseeb
Mern Stack Developer
- FromPakistan
- Member sinceJan 2024
Languages
English
Senior Full-Stack Engineer with 8+ years of experience building scalable web applications, SaaS platforms, and no-code solutions. Specialized in MERN Stack (React, Node.js, Express, MongoDB), WordPress, Webflow, and Bubble.io. From custom SaaS dashboards and corporate business websites to Bubble.io MVPs and API integrations, every build is focused on performance, clean architecture, and real business ROI. Proven track record of helping businesses automate workflows and grow revenue through technology.
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FAQ
What kind of applications can you build?
Full-stack web applications covering SaaS platforms, business dashboards, job boards, admin panels, API-heavy platforms, and custom business automation. If it runs in a browser and needs a backend, it is within scope.
Can you work on an existing codebase?
Yes, existing MERN or Node/React codebases can be extended, debugged, or refactored. Share the repository details before ordering so the scope can be assessed.
How do you handle security?
Every build includes JWT or OAuth authentication, environment variable management, input validation, rate limiting, and production security best practices.
