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English
$
USD
I will develop your react and nextjs saas or dashboard app
Hamad Ul Karim
About this gig
Are you looking to build a fast, scalable, and production-ready web application?
With 5+ years of professional experience building SaaS platforms, dashboards, and web applications for fintech, e-commerce, and logistics clients, I deliver clean, maintainable, and performant React and Next.js applications that are built to scale.
What I build:
- SaaS platforms and multi-page web applications
- Admin and merchant dashboards with role-based access control
- Customer-facing web apps with modern UI and smooth UX
- Next.js applications with SSR, SSG, and App Router
- REST API and GraphQL integrations
- Authentication flows (JWT, OAuth, Firebase, Clerk)
- Performance-optimized apps with strong Core Web Vitals scores
My tech stack:
React.js, Next.js, TypeScript, Tailwind CSS, Redux Toolkit, RTK Query, Node.js, PostgreSQL, MongoDB, GraphQL
Why work with me:
- Production-grade code not tutorial-level work
- Clean, well-documented, and maintainable codebase
- Responsive and accessible UI across all devices
- I use AI-assisted workflows to deliver faster without cutting corners
- Direct communication throughout the project
Before placing an order, feel free to message me to discuss your project requirements.
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Hamad Ul Karim
Hamad Ul Karim
React, Nextjs, Nodejs, Full Stack and Mobile Expert
- FromPakistan
- Member sinceMay 2019
- Avg. response time2 hours
Languages
English, Urdu
Senior Full-Stack Engineer with 5+ years of experience building production-grade web and mobile applications for fintech, e-commerce, and logistics clients.
I specialize in:
React, Next.js, and TypeScript for scalable web apps
React Native for cross-platform mobile apps
Node.js, Express, Ruby on Rails, and Django for backend APIs
PostgreSQL, MongoDB, and MySQL for databases
Performance optimization and Core Web Vitals
I use AI-assisted workflows daily to deliver faster without compromising quality.
My Portfolio
FAQ
What information do you need to get started?
A clear description of your project, Figma designs or wireframes if available, your backend API documentation or endpoints, and any specific features or requirements you have in mind.
Do you work with existing codebases?
Yes, I'm comfortable jumping into existing projects, reviewing the codebase, and continuing development from where things left off.
Can you integrate with my existing backend or third-party APIs?
Absolutely. I have extensive experience integrating REST APIs, GraphQL, payment gateways, authentication services, and third-party tools like Stripe, Firebase, Clerk, and more.
What if I need more pages or features than what's in the package?
No problem — message me before ordering and I'll create a custom offer that fits your exact requirements.
Do you provide the source code?
Yes, full source code is delivered with every order, along with a clean folder structure and basic documentation.
Will my app be mobile responsive?
Yes, all applications I build are fully responsive and tested across desktop, tablet, and mobile devices.
Do you offer post-delivery support?
I offer free bug fixes within 7 days of delivery. For ongoing support or maintenance, we can discuss a separate arrangement.
