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I will fix react js bugs and errors in your web application
Erfan M
Über diesen Service
Are you dealing with bugs, errors, or unexpected behaviour in an existing React.js application?
I can help diagnose and fix React.js and frontend issues, with the scope depending on the package you choose.
What I can help with:
- React component and rendering issues
- State, hooks, and event handling bugs
- JavaScript errors and unexpected behaviour
- Frontend API integration and data handling
- UI or responsive issues related to React.js functionality
- Root-cause investigation of React.js issues
This Gig focuses on existing React.js applications and reported issues. General UI design, new feature development, backend or database changes, and non-React implementation or focused diagnosis work are outside the package scopes, but can be discussed separately through a Custom Offer.
To get started, please provide the project source, expected and actual behavior, reproduction steps, and any relevant errors, screenshots, or other evidence.
If you are unsure which package fits your issue, you can also use the Basic package to diagnose the issue first and determine the appropriate scope for further work.
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Lerne Erfan M kennen
Erfan M
Full stack Web Developer
- AusGroßbritannien
- Mitglied seitSept. 2026
Sprachen
Persisch, Englisch
I'm Erfan, a full-stack web developer with 8 years of professional workplace and enterprise-grade experience in Java and modern JavaScript. I specialize in React.js, JavaScript, Node.js, REST APIs, SQL, and MERN stack. I help clients build, debug, maintain, and improve existing web applications with a practical, detail-oriented approach. Whether you need front-end bug fixing, website maintenance, or development support, I focus on clean code, reliable solutions, and understanding the problem before making changes.
FAQ
Can you fix any React or JavaScript bug?
I can help with many React, JavaScript, and frontend issues. However, some problems may involve backend, database, deployment, or other systems outside the scope of this Gig. If you are unsure, send me the details before ordering so I can review the issue and scope.
What do you need to start?
I usually need the relevant source code or repository access, a description of the problem, expected and actual behaviour, steps to reproduce the issue, and any available error messages or screenshots.
What if I don't know which package I need?
No problem. Send me the issue details before ordering and I can help determine the appropriate package and scope.
Do you fix responsive issues?
Yes. Frontend responsive issues can be included when they are within the scope of the selected package.
Do you fix API-related problems?
I can investigate frontend-side API integration issues. Changes to backend services, API architecture, databases, or other server-side systems may require a custom offer.
Can you work on an existing React project?
Yes. I can work with existing React projects when the relevant code and information needed to investigate the issue are available.
Do you work with TypeScript, Next.js, or Angular?
My primary focus is React, JavaScript, and frontend development. I also have familiarity with TypeScript. For Next.js or Angular projects, feel free to send me the details before ordering so I can confirm whether I can take on the specific issue.
What is included in a revision?
A revision covers corrections or adjustments to the delivered work within the original agreed scope. New features, additional issues, or substantially expanded requirements are not considered revisions and may require additional work or a custom offer.
