I will integrate oauth firebase auth or auth0 into your app

J
jeangraya
J
jeangraya
Jean
integrate oauth firebase auth or auth0 into your app
Full Screen
integrate oauth firebase auth or auth0 into your app

About this gig

Need secure and scalable authentication for your app or SaaS platform? I will professionally integrate OAuth, Firebase Auth, or Auth0 into your web or mobile application with clean backend architecture and production-ready implementation.

This gig is ideal for startups, SaaS platforms, dashboards, admin panels, and custom business applications that require secure user authentication and authorization.


What I can integrate:

  • OAuth 2.0 authentication
  • Google, GitHub, Apple, and social login
  • Firebase Authentication
  • Auth0 authentication workflows
  • JWT authentication & session handling
  • Role-based access control (RBAC)
  • Protected API routes & middleware
  • Secure login/signup systems
  • Environment configuration
  • Error handling & auth security improvements


Tech Stack:

  • Node.js / Express.js
  • FastAPI
  • TypeScript / JavaScript
  • PostgreSQL / Firebase
  • REST APIs


Why work with KYLE?

  • Clean and scalable backend architecture
  • Secure authentication best practices
  • Fast communication and reliable delivery
  • SaaS-focused backend expertise


Please Message me before Ordering to discuss your application requirements and project scope.


THANKS!

  • Programming language

    • Rust

  • Expertise

    • Debugging
    • Performance
    • Security
    • Design
    • Databases

  • Frontend framework

    • Flutter
    • Next.js
    • React.js
    • Tailwind CSS
    • Vue.js

  • Backend framework

    • Express.js
    • FastAPI
    • NestJS
    • Next.js
    • Node.js

  • AI & low/no code builders

    • Firebase Studio
    • Cursor
    • Replit

Get to know Jean

Jean

Scalable backend systems sdk integration solutions

  • FromUnited States
  • Member sinceAug 2026

  • Languages

    English
I’m a full-stack developer with 4 years of experience building scalable web applications, APIs, backend systems, desktop applications, CRM and ERP solutions. I specialize in custom development, SDK and third-party integrations, automation, and connecting business systems. My focus is delivering reliable, maintainable solutions tailored to each client’s requirements, with clear communication and a professional development process.

Related tags