I will develop a custom saas application using react and node js


About this gig
I specialize in developing large-scale web applications using React.js and modern backend technologies. With hands-on experience in building complete marketplaces, dashboards, and API-driven platforms, I help startups and businesses turn their ideas into production-ready products.
What I can do for you:
- Build responsive and modern web apps using React.js / Next.js
- Develop full stack applications with clean and scalable architecture
- Create complete marketplace platforms (buyer/seller systems)
- Integrate third-party APIs and custom backend services
- Fix bugs, optimize performance, and improve UI/UX
- Build dashboards, admin panels, and data-driven systems
Why choose me?
- Experience building large-scale applications
- Clean, maintainable, and optimized code
- Strong API integration experience
- Fast communication and reliable delivery
- Focus on performance, scalability, and user experience
Whether you need a small feature, bug fix, or a complete full stack application, I can deliver a professional and production-ready solution tailored to your business needs.
Technologies I work with:
React.js, Next.js, Node.js, REST APIs, Databases, Authentication Systems, and Modern Frontend Architectures.
Respect third-party rights
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Get to know Asad Siddique
Software Engineer
- FromPakistan
- Member sinceMay 2022
Languages
English, German
My Portfolio
FAQ
What information do you need before starting the project?
I will need a clear description of your requirements.
Do you work on both frontend and backend development?
Yes. I am a full stack developer and can handle frontend (React/Next.js), backend development, API integrations, database setup, and complete application architecture
Can you build a complete marketplace or large-scale application?
Yes. I have experience building full marketplace platforms, dashboards, and scalable applications with authentication, payment integrations, and admin panels.
Will the website be responsive on mobile and tablet?
Absolutely. All applications I develop are fully responsive and optimized for mobile, tablet, and desktop devices.
Do you fix bugs in existing React or Next.js projects?
Yes. I can debug, optimize performance, refactor code, and add new features to your existing project.
How do you ensure code quality?
I write clean, scalable, and maintainable code using best practices, proper structure, and performance optimization techniques.
Do you provide deployment support?
Yes. I can help deploy your application on platforms like Vercel, AWS, DigitalOcean, or any hosting of your choice.
Can you work on long-term projects?
Yes. I am available for long-term collaboration, ongoing feature development, and continuous improvements.
What if I’m not sure which package to choose?
No problem. Just message me with your requirements, and I will suggest the best package based on your project scope.

