Binance is a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users. We are trusted by 300+ million people in 100+ countries for our industry-leading security, user fund transparency, trading engine speed, deep liquidity, and an unmatched portfolio of digital-asset products. Binance offerings range from trading and finance to education, research, payments, institutional services, Web3 features, and more. We leverage the power of digital assets and blockchain to build an inclusive financial ecosystem to advance the freedom of money and improve financial access for people around the world.
ResponsibilitiesDesign, develop, and maintain client-side applications for an instant messaging platform, with Android as the primary focusBuild core messaging features: real-time chat, group chat, media messaging, message sync, offline messaging, push notificationsParticipate in client-side architecture design, ensuring consistent UX across Android, iOS, and WebUse AI-powered tools (Cursor, GitHub Copilot, ChatGPT, Claude, etc.) to support cross-stack frontend development — read, debug, and modify iOS/Web codebasesIntegrate RESTful APIs and WebSocket/MQTT/gRPC real-time communication protocolsHandle local storage, offline-first experience, message state management, and cross-platform sync logicOptimize client performance: startup speed, memory, battery, network efficiency, UI responsivenessCollaborate with backend teams on API design, integration, and production issue investigationSenior level: mentor junior engineers, contribute to technical design decisionsRequirementsBachelor's degree in Computer Science, Software Engineering, or a related disciplineEngineer: 1-3+ years of experience; Senior Engineer: 3-5+ yearsSolid production experience in Android development (Kotlin and/or Java)Good understanding of Android SDK, Jetpack components, asynchronous programming, and modern client-side architectureRequired: ability to use AI-powered development tools (Cursor, GitHub Copilot, ChatGPT, Claude, or similar) for cross-stack frontend developmentAble to read, understand, debug, and make reasonable changes in iOS or Web codebases with AI tool supportFamiliarity with WebSocket, MQTT, gRPC, or similar real-time communication protocolsUnderstanding of messaging concepts: message delivery, read status, sync, local persistence, offline support, push notificationsGood understanding of client-side performance optimization, memory management, multithreading, and security best practicesFamiliar with Git, CI/CD pipelines, automated testing, and Agile processesStrong debugging, problem-solving, ownership, and communication skillsPreferred QualificationsExperience building IM products or communication platforms (WhatsApp, Telegram, WeChat, Discord, Slack, Messenger, etc.)iOS development experience (Swift, SwiftUI, Objective-C)Web frontend experience (TypeScript, React, Vue, Next.js)Cross-platform client or mobile full-stack development experienceEnd-to-end encryption, message security, or cryptographic protocols experienceVoice/video calling or RTC technologies experienceLarge-scale distributed messaging infrastructure experienceFintech, payments, or Web3 applications experienceOpen-source contributions or published apps on Google Play/App StoreWhy Binance
• Shape the future with the world’s leading blockchain ecosystem
• Collaborate with world-class talent in a user-centric global organization with a flat structure
• Tackle unique, fast-paced projects with autonomy in an innovative environment
• Thrive in a results-driven workplace with opportunities for career growth and continuous learning
• Competitive salary and company benefits
• Work-from-home arrangement (the arrangement may vary depending on the work nature of the business team)
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