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I will build mobile app development app developer flutter react native ai app creation
Mathias
About this gig
Need a modern mobile app that looks great and works smoothly? I build custom mobile apps for startups, businesses, and growing brands. I specialize in Flutter and React Native app development for iOS and Android. I can also integrate AI, APIs, Firebase, authentication, payments, and other essential features. Whether you need an MVP, business app, ecommerce app, or AI app, I turn your idea into functional product.
What I Offer:
- Flutter app development
- React Native app development
- Android & iOS apps
- Cross platform development
- Custom UI/UX design
- AI mobile app creation
- ChatGPT/OpenAI integration
- AI chatbot integration
- API integration
- Firebase integration
- Backend development
- User authentication
- Push notifications
- Payment integration
- Ecommerce mobile apps
- Booking & delivery apps
- Social & business apps
- App deployment
- App maintenance
- Bug fixing & updates
Why Choose Me:
- Clean, scalable & responsive development
- Functional features built around your goals
- Clear communication from start to finish
Have an app idea? Send me your requirements and lets build a fast, user friendly mobile app that is ready for real users. Message me before ordering for the best package.
Get to know Mathias
Mathias
React Native and Flutter Developer ' AI, MERN Stack and Full Stack Web Apps
- FromGermany
- Member sinceSep 2026
- Avg. response time1 hour
Languages
English, German, Spanish, French, Italian
I’m a professional full stack developer specializing in React Native and Flutter mobile app development, AI powered mobile applications, MERN Stack development, and custom web app dashboards. I build modern, scalable, secure, responsive and high performance solutions for startups, businesses, and entrepreneurs.
Services include mobile app development, AI feature integration, web application development, admin dashboards, API integration, database development, third party integrations. I focus on clean code, reliable functionality, smooth user experiences and solutions built around your goals
FAQ
Can you develop an app from my existing website or design?
Yes. I can turn your existing website or provided Figma/UI design into a responsive mobile app while maintaining the intended user experience.
Do you provide the source code after completing the app?
Yes. The complete project source code can be provided upon completion according to the selected package and agreed requirements.
Can you work with an existing mobile app that needs improvements?
Yes. I can troubleshoot, update, optimize, or add new functionality to an existing Flutter or React Native application.
Will you help me prepare the app for Google Play Store or Apple App Store?
Yes. I can assist with the technical preparation and deployment process. Store accounts and applicable publishing fees must be provided by you.
Can you build a custom app based on my specific business idea?
I can develop a customized solution around your requirements, workflow, target users, and desired functionality.
