I will build supabase firebase backend API authentication and database


About this gig
WELCOME TO MY GIG
Looking for a reliable developer to build a secure, scalable, and high-performance backend for your web or mobile application? You've come to the right place.
What I Can Do
- Supabase backend development
- Firebase backend development
- Authentication (Email, Google, GitHub, Apple, and more)
- PostgreSQL database design
- Firestore and Realtime Database
- REST API integration
- Database setup and optimization
- Row Level Security (RLS)
- Cloud Functions and Edge Functions
- Storage and file uploads
- User roles and permissions
- Admin dashboard backend
- Payment integration support
- Bug fixing and backend optimization
- Performance improvements
Technologies I Work With
- Supabase
- Firebase
- PostgreSQL
- JavaScript
- TypeScript
- Node.js
- Express.js
- React
- Next.js
- FastAPI
Why Choose Me?
- Clean, maintainable, and scalable code
- Secure authentication and database configuration
- Fast communication and regular project updates
- On-time delivery
- Client-focused approach
- Reliable after-delivery support
Whether you're building an AI SaaS, startup MVP, business platform, dashboard, e-commerce solution, or custom application, I can help create a backend that's ready for growth.
CONTACT ME
Get to know carmen lucia
Supabase Bolt new
- FromSpain
- Member sinceJul 2026
Languages
Spanish, German, French, Italian, English
Other Software Development Services I Offer
FAQ
What services do you provide
I provide Supabase and Firebase backend development services, including authentication, database design, API development, Row Level Security (RLS), Cloud Functions, Edge Functions, bug fixing, performance optimization, and backend integration for web and mobile applications.
Which technologies do you work with
work with Supabase, Firebase, PostgreSQL, JavaScript, TypeScript, Node.js, Express.js, React, Next.js, FastAPI, REST APIs, and other modern web technologies.
Can you build a backend from scratch
Yes. I can build a complete backend from the ground up, including database architecture, authentication, APIs, storage, security rules, and deployment based on your project requirements.
Why should I contact you before placing an order
Every project is different. A quick discussion helps me understand your requirements, recommend the right package, provide an accurate timeline, and ensure we both have a clear understanding before work begins. This helps avoid misunderstandings and leads to a smoother project experience.

