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Fiverr Pro
English
$
USD
I will fix react, nextjs, javascript, and typescript bugs
Nicole
About this gig
Is your React, Nextjs, JavaScript, or TypeScript website not working the way it should?
I can help diagnose and fix bugs in existing websites and web applications. I work with modern frontend and full-stack technologies and can troubleshoot issues ranging from broken components to API, authentication, database, build, and deployment problems.
I can help with:
- React and Nextjs bugs
- JavaScript and TypeScript errors
- Broken components or functionality
- API and data-fetching issues
- Forms and validation problems
- Authentication and login issues
- Responsive and mobile layout bugs
- Build and deployment errors
- Database-related problems
- Performance and unexpected application behavior
I focus on finding the root cause of the issue and providing a clean, reliable fix without unnecessary changes to your project.
Please message me before ordering if your issue is complex or you are unsure which package is appropriate. Include the error, expected behavior, and any relevant screenshots or details so I can evaluate the problem first.
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 Nicole
Nicole
Fullstack Software Engineer
- FromUnited States
- Member sinceSep 2026
- Avg. response time1 hour
Languages
English
I’m a software engineer with over 10 years of experience building websites, web applications, APIs, and custom software solutions. I work with JavaScript, TypeScript, React, Next.js, Python, C#, HTML, CSS, Tailwind CSS, MySQL, and other modern technologies. I can help with full-stack development, responsive websites, API integrations, bug fixes, database work, automation, and improving existing applications. I focus on clean, reliable code, clear communication, and delivering solutions that fit each client’s specific needs.
FAQ
Should I contact you before placing an order?
Yes, especially for complex issues. Please send a brief description of the problem, any error messages, screenshots, and what you expected to happen. I can then confirm which package fits your issue.
What information do you need to diagnose my bug?
Please provide the relevant error message, steps to reproduce the issue, expected behavior, technology stack, and any screenshots or logs you have. Repository or project access may also be needed after the order begins.
Can you work on an existing React or Nextjs project?
Yes. This gig is specifically for troubleshooting and fixing issues in existing React, Nextjs, JavaScript, and TypeScript websites or web applications.
What counts as a small bug for the Basic package?
A small bug is one isolated issue with a reasonably clear scope, such as a broken component, form error, layout problem, simple JavaScript error, or similar issue. Larger or interconnected problems may require Standard, Premium, or a custom offer.
Can you fix API, authentication, database, or deployment issues?
Yes, depending on the cause and scope. I can troubleshoot API requests, authentication, database interactions, build errors, deployment problems, and other full-stack issues. Please contact me first for complex problems.
Will you make a backup before changing my project?
I recommend using version control or having a backup before any changes are made. I will avoid unnecessary changes and focus on resolving the reported issue, but the buyer should retain a current backup of important code and data.
