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I will fix react next js bugs errors and performance issues
Sameer Sabir
About this gig
Is your React or Next.js app slow, broken, or showing frontend errors?
I will debug and fix React.js, Next.js, TypeScript, Tailwind CSS, Redux Toolkit, TanStack Query, API integration, responsive UI, build errors, hydration issues, routing problems, and performance issues.
I can help fix:
- React component bugs
- Next.js routing and rendering issues
- TypeScript errors
- API integration problems
- Broken forms, filters, tables, and search
- Redux Toolkit or state management issues
- TanStack Query caching problems
- Responsive design issues
- Slow page loading
- Build and deployment errors
- Hydration or client/server component issues
- UI bugs across browsers and devices
I can also improve frontend performance using:
- Code splitting
- Lazy loading
- Image optimization
- API caching
- Reusable component refactoring
- Better loading and error states
- Frontend architecture improvements
I have worked on SaaS dashboards, admin panels, marketplaces, analytics dashboards, AI-powered apps, and React Native mobile apps. In past projects, I helped reduce page load time by 30% and improve data retrieval performance by 40%.
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Get to know Sameer Sabir
Sameer Sabir
React and Next js Engineer SaaS AI 4 Years
- FromPakistan
- Member sinceApr 2024
- Avg. response time1 hour
Languages
Urdu, English
Senior Frontend Engineer with 4+ years of experience building scalable web and mobile applications using React.js, Next.js, React Native, and TypeScript. Experienced in SaaS platforms, enterprise applications, AI-powered products, and marketplace solutions. Strong expertise in frontend architecture, performance optimization, state management, API integration, and modern UI development, with working knowledge of Node.js, Express.js, MongoDB, REST APIs, and GraphQL.
My Portfolio
FAQ
Can you fix Next.js hydration errors?
Yes. I can debug hydration issues, routing problems, rendering bugs, client/server component issues, and build errors in Next.js.
Can you improve page speed?
Yes. I can optimize code splitting, lazy loading, images, caching, bundle size, frontend structure, and API data loading.
Do you need source code access?
Usually yes. For most bugs, I need repository access or source code files. I can review screenshots, logs, or a live link first.
Can you fix API integration issues?
Yes. I can debug REST API, GraphQL, TanStack Query, Apollo Client, authentication, CORS-related frontend handling, and data rendering problems.
Can you fix responsive design issues?
Yes. I can fix layout problems for mobile, tablet, and desktop screens.
