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I will fix react javascript bugs and responsive frontend issues
Alvaro V
About this gig
Is your React or JavaScript application showing errors, broken components, unexpected behavior, or API integration problems?
I will diagnose and fix clearly defined frontend issues in React and JavaScript applications. I can also work with Angular or Vue when the scope is confirmed before ordering.
This service can include:
React component and state bugs
JavaScript errors and unexpected behavior
Forms, validation, and event handling
Responsive layout and CSS issues
REST API integration problems
Build and dependency errors
Small frontend features and improvements
Before ordering, please send the error, expected result, steps to reproduce it, technology stack, and relevant repository or files. I will confirm the appropriate package before starting. Never send passwords, API keys, or sensitive customer data in the chat.
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 Alvaro V
Alvaro V
Full Stack Developer React JavaScript Automation and Data
- FromEl Salvador
- Member sinceAug 2025
- Avg. response time1 hour
Languages
English, Spanish
Software developer specialized in React, JavaScript, responsive websites, API integrations, data automation, and Excel/PDF workflows. I can fix frontend bugs, build landing pages, clean and convert data, create dashboards, and develop practical tools with C#/.NET, SQL, and Python. I focus on clear communication, maintainable code, secure handling of project information, and reliable delivery. Send me your requirements, expected result, deadline, and non-confidential samples, and I will recommend the best approach.
My Portfolio
FAQ
Can you work with Angular or Vue?
Yes. Please send the project details first so I can confirm the framework, scope, and correct package.
Do you need access to the full repository?
Usually I need the relevant code and reliable steps to reproduce the issue. For small isolated problems, a minimal reproducible example may be enough.
Can you deploy the fix?
Deployment can be included after the hosting environment and access requirements are reviewed. Never send passwords directly in chat.
