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I will build a complete mobile app with backend and design
Bille Theophile
About this gig
I will build a complete mobile app with react native or Fluter and a Node.js backend.
Are you looking for a reliable developer to build a complete, production-ready mobile application? I design and develop full-stack mobile solutions tailored to your business needs, from user-facing features to robust backend infrastructure.
What you get with every package:
- Cross-platform mobile app (iOS & Android) built with React Native Expo
- Secure user authentication via Firebase Phone Auth
- Freemium & Premium subscription management
- Offline mode support
Standard & Premium additionally include:
- REST API built with Node.js & Express.js
- PostgreSQL database with Prisma ORM
- Redis for caching and scheduled job management
Premium exclusively includes:
- Partner Portal (Next.js/Vite+Reactjs) for professional account management
- Admin Panel for full platform control
All code is clean, documented, and structured for scalability. I use AI-assisted development tools to deliver faster without compromising quality.
Message me before ordering to discuss your project requirements.
Get to know Bille Theophile
Bille Theophile
Fullstack Developer
- FromCameroon
- Member sinceJan 2026
Languages
English, French
I am a passionate computer scientist with varied skills in several digital fields. I am versatile, creative and helpful, and I adapt quickly to meet the needs of my team and my clients effectively, with professionalism and responsiveness.
My Portfolio
FAQ
Will I own the source code after delivery?
Yes. Upon final payment, you receive full ownership of the source code with no restrictions.
Can I request changes after delivery?
Each package includes a set number of revisions. Beyond that, additional revisions are available as a paid extra.
Will the app work on both iOS and Android?
Yes. The app is built with React Native Expo and Flutter, which ensures full compatibility with both platforms from a single codebase.
Do I need to provide any accounts or credentials?
Yes. You will need a Firebase project, a Google Play developer account ($25 one-time), and an Apple developer account ($99/year) if you wish to publish the app.
What happens if the deadline is not met?
I commit to the agreed timeline. In the unlikely event of a delay, I will notify you in advance and propose a revised delivery date.
Are third-party service costs included?
No. Costs for external services such as SMS providers, WhatsApp Business API, or cloud hosting are not included in the package price and are billed separately by the provider.
