I will fix react javascript bugs and responsive frontend issues

A
alvarvalladares
A
alvarvalladares
Alvaro V
Parte de la información aparece en idioma inglés.
fix react javascript bugs and responsive frontend issues
Pantalla completa
fix react javascript bugs and responsive frontend issues

Acerca de este Servicio

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.

  • Plataforma

    • Personalizado

  • Tipo de sitio web

    • Landing page
    • Blog
    • Porfolio
    • Formularios
    • SaaS

  • Lenguaje de programación

    • JavaScript
    • TypeScript
    • HTML y CSS
    • bootstrap
    • React
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 Alvaro V

Alvaro V

Full Stack Developer React JavaScript Automation and Data

  • DeEl Salvador
  • Miembro desdeago 2025
  • Responde aprox. en:1 hora

  • Idiomas

    Español, Inglés
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.

Mi porfolio

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