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

N
nurekowser01
N
nurekowser01
Nure Kowser

Level 1

Parte de la información aparece en idioma inglés.
fix mongodb sql firebase supabase database connection auth error or query issue
Pantalla completa
fix mongodb sql firebase supabase database connection auth error or query issue

Acerca de este Servicio

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.

  • Lenguaje de programación

    • TypeScript

  • Experiencia

    • Depuración de código
    • Rendimiento
    • Seguridad
    • Diseño
    • Bases de datos

  • Marco de frontend

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

  • Marco de backend

    • Laravel
    • FastAPI
    • Next.js
    • Node.js
    • Primavera

Conoce a Nure Kowser

Nure Kowser

Full Stack Developer Angular Spring Boot

4.8(15)

Level 1

  • DeBangladesh
  • Miembro desdeabr 2021
  • Responde aprox. en:1 hora
  • Última entrega2 semanas

  • Idiomas

    Bengalí, Inglés
🚀 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.

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