Mobile Engineer

Responsibilities

• Develop native enterprise IM app (iOS/Android).
• Mobile architecture; optimize performance, battery, traffic, startup.
• Stable backend communication.
• Resolve mobile compatibility issues.
• Collaborate with backend/product/testing for quality delivery.

Requirements

• Bachelor's degree or above in Computer Science or related fields; 3+ years native iOS or Android.
• iOS: Swift/ObjC; Android: Kotlin/Java; UI optimization, multithreading, memory.
• IM/social/RTC experience preferred; WebSocket/MQTT/APNs/FCM.
• Mobile security (encryption, cert validation), network optimization (weak network), monitoring.
• Coding standards, unit testing, problem-solving.
• Good communication, learning, teamwork.