
Mobile App Developer (API Wrappers + AI Integrations)
Upwork
Remoto
•17 hours ago
•No application
About
Overview We are building and launching a series of mobile apps that wrap APIs (AI, video, music, social) into simple, viral products. We need a developer who can move fast, build clean apps, and ship multiple products with us. Responsibilities Build iOS/Android apps (React Native or Flutter) from MVP to launch Design and implement API wrappers (REST, GraphQL, WebSocket) Integrate AI APIs (OpenAI, ElevenLabs, Kling) where needed Optimize performance and deliver smooth UX Maintain and iterate quickly based on user feedback Requirements Proven experience building API-driven apps or wrappers React Native or Flutter proficiency (cross-platform builds) Strong knowledge of authentication, caching, and error handling for APIs Familiarity with publishing to App Store and Google Play Ability to deliver fast, clean, maintainable code Nice to Have Experience with AI tools and APIs Backend experience (Firebase, Supabase, Node.js) Basic UI/UX skills to make apps feel polished Why Work With Us Multiple projects ready to start – steady pipeline of work Fast-moving, data-driven team with billions of monthly views You’ll own builds end-to-end and see them live quickly