j
john_aos

John A

@john_aos

Mobile App Developer, Flutter, React Native and AI App Expert

Großbritannien
Spanisch, Englisch, Französisch, Deutsch, Italienisch, Arabisch, Polnisch
Einige Informationen werden in englischer Sprache angezeigt.
Über mich
Hello, I'm John, a professional mobile app developer specializing in Flutter, React Native, Android, iOS, and AI-powered applications. I help startups, businesses, and entrepreneurs turn their ideas into high-performing mobile apps that are fast, scalable, and user-friendly. My expertise includes custom app development, hybrid apps, AI integrations, API connections, bug fixing, and app optimization. I focus on clean code, responsive design, clear communication, and on-time delivery. Let's build a powerful mobile app that helps your business grow and stand out in today's competitive market.... Mehr lesen

Kompetenzen

j
john_aos
John A
offline • 
Durchschnittliche Antwortzeit: 1 Stunde

Meine Dienstleistungen

Android App-Entwicklung
I will ai mobile app, app development, mobile app development
Ab105 $ / ProjektWeitere Details
Plattformübergreifende Entwicklung
I will flutter app development, app development, mobile app dev
Ab100 $ / ProjektWeitere Details

Portfolio

Arbeitserfahrung

Remote_Care Partners

Senior Mobile App Developer

Remote Care Partners • Freiberufler

Apr 2026 - Present • 2 mos

Developed high-performance mobile applications using Flutter and React Native for startups, businesses, and entrepreneurs. Built cross-platform apps for Android and iOS with clean, scalable, and maintainable code. Integrated AI features such as chatbots, recommendation systems, image recognition, and automation tools into mobile applications. Connected third-party APIs including payment gateways, authentication systems, maps, push notifications, and cloud services. Optimized app performance, fixed bugs, improved UI/UX, and ensured smooth user experiences across devices. Collaborated with clients throughout the development lifecycle, from project planning and UI implementation to testing, deployment, and post-launch support. Successfully delivered projects on time while maintaining high coding standards and excellent client satisfaction. Key Technologies: Flutter, React Native, Dart, JavaScript, Firebase, REST APIs, AI Integration, Android, iOS, Git, Google Play Console, App Store Connect.