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

About the role

Binance is a leading global blockchain ecosystem seeking a Client Full-Stack Engineer to design, develop, and maintain client‑side applications for an instant messaging platform, with Android as the primary focus.

Key responsibilities

• Design, develop, and maintain Android client applications for real‑time chat, group chat, media messaging, message sync, offline messaging, and push notifications.
• Participate in client‑side architecture design to ensure a consistent user experience across Android, iOS, and Web.
• Use AI‑powered tools (Cursor, GitHub Copilot, ChatGPT, Claude, etc.) to read, debug, and modify iOS/Web codebases.
• Integrate RESTful APIs and real‑time communication protocols such as WebSocket, MQTT, and gRPC.
• Handle local storage, offline‑first experience, message state management, and cross‑platform synchronization logic.
• Optimize client performance for startup speed, memory usage, battery consumption, network efficiency, and UI responsiveness.
• Collaborate with backend teams on API design, integration, and production issue investigation.
• Mentor junior engineers and contribute to technical design decisions at senior level.

Required profile

• Bachelor’s degree in Computer Science, Software Engineering, or a related discipline.
• 1‑3+ years of Android development experience for Engineer roles; 3‑5+ years for Senior Engineer roles.
• Solid production experience in Android development using Kotlin and/or Java.
• Strong knowledge of Android SDK, Jetpack components, asynchronous programming, and modern client‑side architecture.
• Proficiency with AI‑powered development tools for cross‑stack frontend work.
• Ability to read, understand, debug, and modify iOS or Web codebases with AI assistance.

Required skills

• Kotlin
• Java
• Android SDK
• Jetpack components
• Asynchronous programming
• RESTful APIs
• WebSocket
• MQTT
• gRPC
• AI development tools (Cursor, GitHub Copilot, ChatGPT, Claude)
• Git
• CI/CD pipelines
• Automated testing
• Agile development processes
• Performance optimization
• Memory management
• Multithreading
• Security best practices

What we offer

• Competitive salary and company benefits.
• Work‑from‑home arrangement, with flexibility depending on team needs.
• Opportunity to collaborate with world‑class talent in a flat, user‑centric organization.
• Fast‑paced projects with autonomy in an innovative environment.
• Career growth, continuous learning, and results‑driven workplace.