
diegoduarte
Mobile App Developer, Flutter, React Native, AI, API and Full Stack App Solution
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Experiencia laboral
Mobile App Developer
Fiverr • Freelance
Sep 2026 - Present • 0 mos
We design and develop scalable mobile applications that solve real business and user problems, from initial product requirements through UI/UX implementation, frontend development, backend integration, testing, and deployment. Our experience includes building Android and iOS applications using Flutter and React Native, with backend systems powered by Node.js, Python, Firebase, and REST APIs. We work with databases such as PostgreSQL, MySQL, and MongoDB and integrate third-party services including payment gateways, authentication, maps, notifications, AI APIs, and real-time communication. We focus on creating responsive interfaces, reliable application architecture, secure API communication, optimized performance, and maintainable code. We also handle API integration, database design, debugging, deployment preparation, and post-development improvements. We have worked across solutions including AI-powered applications, marketplace platforms, booking systems, e-commerce apps, social platforms, business management tools, and custom SaaS products.