I will fix your nodejs or nextjs API backend errors in 24h

A
addy_luang
A
addy_luang
Addy L
fix your nodejs or nextjs API backend errors in 24h
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fix your nodejs or nextjs API backend errors in 24h

About this gig

Are your APIs failing, throwing 500 errors, or breaking in production? Dont worry Im a Senior MERN & Next.js backend engineer and I specialize in fast, reliable bug fixes for SaaS apps.


I can fix:

  • API route errors / server crashes
  • Authentication / JWT issues
  • CORS problems
  • Environment variable issues
  • Vercel deployment errors


Why choose me:

  • 24-48h fast delivery
  • Production-ready solutions
  • Clean and maintainable code
  • Post-delivery support included


Stack: Node.js, Express, Next.js (API routes), MongoDB, PostgreSQL, mySQL, Prisma

  • Programming language

    • TypeScript

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Performance
    • Security
    • Databases

  • Frontend framework

    • Next.js
    • React.js
    • Tailwind CSS

  • Backend framework

    • Express.js
    • Next.js
    • Node.js

  • AI & low/no code builders

    • Other

Get to know Addy L

Addy L

Senior MERN and Nextjs Fullstack Engineer

  • FromLaos
  • Member sinceOct 2020

  • Languages

    English
Hi! I’m a Senior MERN & Next.js fullstack developer with 5+ years building production-ready SaaS apps. I specialize in: Fixing Node.js & Next.js API errors fast Prisma, MongoDB, PostgreSQL, mySQL database optimization Adding secure backend features / endpoints Deployment support (Vercel, Netlify, AWS) I understand that time is critical, so I deliver clean, maintainable, and fully tested solutions in 24–48 hours. My goal is to get your backend running smoothly, fast, and reliably.

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