j
john_aos

John A

@john_aos

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

Royaume-Uni
Espagnol, Anglais, Français, Allemand, Italien, Arabe, Polonais
Certaines informations sont présentées en anglais.
À propos de moi
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.... Plus d’infos

Compétences

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john_aos
John A
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Voir mes services

Développement d'applis Android
I will ai mobile app, app development, mobile app development
De105 $US / projetPlus de détails
Développement multiplateforme
I will flutter app development, app development, mobile app dev
De100 $US / projetPlus de détails

Portfolio

Expérience professionnelle

Remote_Care Partners

Senior Mobile App Developer

Remote Care Partners • Freelance

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.