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I will build nextjs web app and fix reactjs nextjs issues
Hasaan A
5.0
5.0
About this gig
Looking for a professional developer to build a scalable NextJS web app or fix ReactJS and NextJS issues? Youre in the right place.
I am Hasaan Ahmad, a full-stack developer with 3+ years of experience building production-ready web applications using Next, React, and modern backend technologies. Whether you need a complete NextJS web app development or want to fix ReactJS Next, bugs, performance issues, or deployment errors, I provide clean and reliable solutions.
From authentication systems to database integration, I build fast, secure, and scalable applications tailored to your project.
Services I Provide:
- Full-stack web app development
- Fix ReactJS and NextJS bugs and errors
- Authentication setup (Auth.js, Firebase, Supabase)
- REST API development and integration
- Admin dashboards and custom panels
- Performance optimization and maintenance
- Firebase, Supabase, MongoDB integration
Technologies I Use:
- Frontend: Next.js, React.js, TypeScript
- Backend: Node.js, Express.js
- Database: MongoDB, Supabase, Firestore, PostgreSQL
- Styling: TailwindCSS, ShadCN
- Deployment: Vercel
Why Choose Me:
- Clean and maintainable code
- Fast delivery and clear communication
Contact me now!
Get to know Hasaan A
Hasaan A
Software Solutions for your Business
- FromPakistan
- Member sinceMar 2018
- Avg. response time1 hour
- Last delivery8 months
Languages
English, Spanish, French, German
Hi, I’m Hasaan, a Software Engineer specializing in building web apps, mobile apps, AI-powered applications, and business automation tools for startups and companies. I develop SaaS platforms, startup MVPs, dashboards, bots, and scalable backend systems using modern technologies like Next.js, React, Node.js, TailwindCSS, Prisma, PostgreSQL, Supabase, Firebase, and AI integrations such as ChatGPT and Gemini. I focus on clean architecture, performance, and scalable solutions that help businesses launch products faster.
My Portfolio
Other Software Development Services I Offer
FAQ
Can you build a complete NextJS web application from scratch?
Yes, I develop full-stack NextJS web apps with authentication, database integration, and scalable architecture.
Do you fix ReactJS and NextJS bugs?
Yes, I fix errors, performance issues, API bugs, deployment problems, and frontend/backend conflicts.
Can you integrate authentication in NextJS?
Yes, I set up authentication using Auth.js, Firebase Auth, Supabase Auth, or custom solutions.
Do you work with databases in NextJS projects?
Yes, I integrate MongoDB, Supabase, Firestore, and PostgreSQL with secure backend logic.
Can you optimize and improve an existing NextJS project?
Yes, I provide performance optimization, refactoring, and maintenance services.
Should I contact you before placing an order?
Yes, please share your project details or error logs first so I can provide the best solution.
Reviews
2 reviews for this Gig
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
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Most relevant
A 
aminathab
Nigeria
He did a great job to achieved my desired result
Up to $50
Price
1 day
Duration
H 
Seller's Response
Helpful?K keeshanpillay
United Kingdom
Hassan did a fantastic job on my web design project. From the beginning, his communication was outstanding. We had several calls to discuss the project in detail, and he was always attentive and insightful. What impressed me most was his ability to take my feedback and implement the changes I requested...
$200-$400
Price
1 day
Duration
H Seller's Response
Helpful?
Reviews
2 reviews for this Gig
| (2) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
A aminathab
Nigeria
He did a great job to achieved my desired result
Up to $50
Price
1 day
Duration
H Seller's Response
Helpful?K keeshanpillay
United Kingdom
Hassan did a fantastic job on my web design project. From the beginning, his communication was outstanding. We had several calls to discuss the project in detail, and he was always attentive and insightful. What impressed me most was his ability to take my feedback and implement the changes I requested...
$200-$400
Price
1 day
Duration
H Seller's Response
Helpful?
