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

N
nurekowser01
N
nurekowser01
Nure Kowser

Level 1

Algumas informações são exibidas no idioma inglês.
fix mongodb sql firebase supabase database connection auth error or query issue
Tela Inteira
fix mongodb sql firebase supabase database connection auth error or query issue

Sobre este Serviço

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.

  • Linguagem de programação

    • TypeScript

  • Especialidade

    • Depuração
    • Desempenho
    • Segurança
    • Design
    • Banco de Dados

  • Estrutura de front-end

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

  • Estrutura de back-end

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

Conheça mais sobre Nure Kowser

Nure Kowser

Full Stack Developer Angular Spring Boot

4,8(15)

Level 1

  • A partir deBangladesh
  • Membro desdeabr. de 2021
  • Responde em aprox.:1 hora
  • Última entrega2 semanas

  • Idiomas

    Bengali, Inglês
🚀 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.

Meu portfólio

Outros serviços de Desenvolvimento de Software que eu ofereço

Tags relacionadas