I will fix bugs and develop your react or nextjs app

K
kevin_bm09
K
kevin_bm09
Kevin Martin
fix bugs and develop your react or nextjs app
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fix bugs and develop your react or nextjs app
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fix bugs and develop your react or nextjs appfix bugs and develop your react or nextjs appfix bugs and develop your react or nextjs appfix bugs and develop your react or nextjs app

About this gig

Are you facing bugs, broken UI, or deployment errors in your web application? Or do you need a reliable developer to build custom features from scratch?


I am a Full-Stack Developer with hands-on experience designing, developing, and deploying modern web applications and PWAs. I specialize in the React, Next.js, and Node.js ecosystem, ensuring clean code, optimal performance, and fast delivery.


What I can help you with:

Bug fixing and troubleshooting in React, Next.js, and Node.js

Responsive UI development with Tailwind CSS and modern CSS

REST API integration and database setup (MySQL, MariaDB, Firebase)

State management, custom hooks, and performance optimization

PWA features, Service Workers, and WebSockets (Socket.IO)

Server deployment and configuration (Linux VPS, Nginx, cloud hosting)


Why work with me?

Fast turnaround and direct technical communication

Clean, maintainable, and well-commented code

Production-ready solutions built with real-world industry experience


Please contact me with a brief summary of your issue or project before placing an order so we can confirm the scope and get started right away!

  • Programming language

    • JavaScript

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Design
    • Databases
    • Testing procedures

  • Frontend framework

    • Angular

  • Backend framework

    • Express.js
    • Next.js
    • Node.js
    • Supabase
    • Firebase

  • AI & low/no code builders

    • Claude
    • Firebase Studio
    • Base44
    • Cursor
    • Replit
    • Bubble

Get to know Kevin Martin

Kevin Martin

IT Technician and Fullstack Developer

  • FromGuatemala
  • Member sinceFeb 2026
  • Avg. response time5 hours

  • Languages

    Spanish, English
I am an IT Technician and Fullstack Developer with experience in technical support, network administration, and web/mobile application development. I am proficient in React, Angular, PHP, and Python, and have led real-world implementations of technological systems. I characterize myself as a responsible, proactive professional oriented toward teamwork.

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