I will fix web bugs, API errors, and frontend deployment issues


Acerca de este Servicio
I provide expert full-stack troubleshooting, debugging, and code optimization to resolve critical bottlenecks across your web applications. I identify root causes to deploy stable, production-ready fixes rather than temporary patches.
Why My Tech Stack Benefits Your Business:
- React & Angular: Eliminates client-side lag and state issues for responsive UIs.
- Node.js & NestJS: Fixes faulty server logic, optimizes data streams, and cuts API latency.
- TypeScript: Prevents runtime type errors to build highly stable, maintainable codebases.
- Tailwind & Bootstrap: Repairs broken cross-device layout scaling and UI misalignments.
- Vercel, Render & Cloudflare: Resolves pipeline build errors, CORS issues, and deployment crashes.
Core Services Included:
- Frontend layout, hydration, and state-management debugging.
- Backend server exception handling and data schema validation.
- REST API integration verification and authorization workflow fixes.
- Environment variable config and deployment pipeline repair.
Technologies Supported: React, Angular, Next.js, Node.js, NestJS, .NET Core, REST APIs, TypeScript, JavaScript, Docker, Vercel, Render, Cloudflare, Netlify, GitHub.
Respeta los derechos de terceros
Recuerda que incluir temas, plantillas o cualquier otro elemento que viole los derechos de terceros o las leyes aplicables en los trabajos entregados va en contra de las políticas de Fiverr. Puedes ver más información en Guía para la creación digital responsable.
Conoce a Amin Nexora
FullStack Web Developer
- DePakistán
- Miembro desdemay 2026
- Responde aprox. en:1 hora
- Última entrega1 mes
Idiomas
Urdu, Chino, Alemán, Inglés, Francés, Italiano, Español, Japonés, Árabe
Mi porfolio
Otros servicios de Mantenimiento del sitio web que ofrezco
FAQ
Can you fix bugs in an existing website?
Yes. I can fix frontend bugs, backend API errors, deployment issues, build errors, responsive design problems, authentication issues, and integration-related errors in existing websites or web applications.
What technologies can you work with?
I can work with React, Angular, TypeScript, JavaScript, Node.js, NestJS, .NET, REST APIs,JAVA,HTML, CSS, SCSS, Bootstrap, Tailwind CSS, GitHub, Cloudflare Pages, Vercel, Render, and Docker-based workflows.
Can you fix deployment issues?
Yes. I can help fix deployment problems on platforms like Cloudflare Pages, Vercel, Render, and GitHub-based deployment workflows.
Can you fix API connection issues?
Yes. I can debug frontend-to-backend API connection issues, CORS errors, broken endpoints, incorrect request payloads, authentication problems, and REST API integration issues.
Do you need access to my code?
In most cases, yes. I may need access to your code repository, error logs, screenshots, hosting dashboard, or deployment settings depending on the issue. Sensitive credentials should be shared securely and never posted publicly.
Can you fix login or authentication issues?
Yes. I can help debug login/signup problems, JWT authentication issues, protected routes, role-based access issues, and frontend/backend authentication flow problems.
Do you provide a report after fixing the issue?
Yes. I can provide a short summary of what the issue was, what I fixed, and any important notes you should know after completion.
Should I contact you before placing an order?
Yes, please message me before placing an order so I can review the issue, confirm the scope, and recommend the correct package.
What are your expected turnaround times for different services?
Delivery depends on the project scope: minor UI/UX adjustments take 24 to 48 hours, regular endpoint maintenance takes 2 to 4 days, and full full-stack feature syncs require 5 to 7 days.
What is the estimated time frame for typical bug fixes?
Most standard production bugs, isolated API connection errors, broken layout alignments, and build script failures are successfully resolved and verified within 24 hours of project kickoff.

