Client Full-Stack Engineer — IM Chat Platform, Android Focus

Binance is a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users. Responsibilities Design, develop, and maintain client-side applications for an instant messaging platform, with Android as the primary focus Build core messaging features: real-time chat, group chat, media messaging, message sync, offline messaging, push notifications Participate in client-side architecture design, ensuring consistent UX across Android, iOS, and Web Use AI-powered tools (Cursor, GitHub Copilot, ChatGPT, Claude, etc.) to support cross-stack frontend development — read, debug, and modify iOS/Web codebases Integrate RESTful APIs and WebSocket/MQTT/gRPC real-time communication protocols Handle local storage, offline-first experience, message state management, and cross-platform sync logic Optimize client performance: startup speed, memory, battery, network efficiency, UI responsiveness Collaborate with backend teams on API design, integration, and production issue investigation Senior level: mentor junior engineers, contribute to technical design decisions Requirements Bachelor's degree in Computer Science, Software Engineering, or a related discipline Engineer: 1-3+ years of experience; Senior Engineer: 3-5+ years Solid production experience in Android development (Kotlin and/or Java) Good understanding of Android SDK, Jetpack components, asynchronous programming, and modern client-side archi...