I will fix mongodb sql firebase supabase database connection auth error or query issue

N
nurekowser01
N
nurekowser01
Nure Kowser

Level 1

Certaines informations sont présentées en anglais.
fix mongodb sql firebase supabase database connection auth error or query issue
Plein écran
fix mongodb sql firebase supabase database connection auth error or query issue

À propos de ce service

Fix MongoDB, Firebase, or Supabase Issues Fast


Is your database not connecting? Getting authentication errors, failed queries, permission issues, or broken backend integrations?


I will quickly diagnose and fix database-related problems in your application.


What I Fix:


  • MongoDB connection errors
  • Firebase Firestore issues
  • Firebase Authentication problems
  • Supabase connection issues
  • Supabase Auth errors
  • Database query bugs
  • Environment variable problems
  • CRUD operation failures
  • Backend database integration issues
  • API to database connection problems


Supported Technologies:


  • MongoDB
  • Firebase
  • Firestore
  • Supabase
  • Node.js
  • Spring Boot
  • React
  • Angular
  • Next.js
  • REST APIs


Why Choose Me?


  • 10+ years experience (Ex-Samsung Engineer)
  • Fast debugging and troubleshooting
  • Clean and secure fixes
  • Production-ready solutions
  • Clear communication


Fast delivery depending on issue complexity.


Please contact me before ordering and briefly describe your issue.

  • Langage de programmation

    • TypeScript

  • Expertise

    • Débogage
    • Performance
    • Sécurité
    • Conception
    • Base de données

  • Framework frontend

    • Angular
    • bootstrap
    • Next.js
    • React.js
    • Tailwind CSS

  • Framework back-end

    • Laravel
    • FastAPI
    • Next.js
    • Node.js
    • Spring

Découvrez Nure Kowser

Nure Kowser

Full Stack Developer Angular Spring Boot

4,8(15)

Level 1

  • DeBangladesh
  • Membre depuisavr. 2021
  • Temps de réponse moy.1 heure
  • Dernière commande2 semaines

  • Langues

    Bengali, Anglais
🚀 Full-Stack Developer | Angular • React • Spring Boot • Node.js • Firebase I fix, debug, and deploy production-ready web applications. Ex-Samsung engineer with 10+ years experience. ✅ Deployment: Vercel, Railway, Render, Netlify, AWS ✅ Authentication: Firebase, Google Login, OAuth, JWT, sessions ✅ Backend/API: Spring Boot, Node.js, REST APIs, bug fixing ✅ Database: MongoDB, Supabase, PostgreSQL, MySQL I fix broken apps, deployment failures, auth issues, and optimize performance. Fast delivery • Clean code • Production-ready results Contact me before ordering to discuss your project.

Mon portfolio

Autres services de Développement de logiciels I Offre

Balises associées