1. Professional Skill Requirements

Mobile Development Experience:

Proficient in iOS (Swift/Objective-C) or Android (Java/Kotlin) development, with at least 5 years of relevant experience.

Familiar with UI design, performance optimization, cross-platform development, and other technologies in mobile development.

Expert in performance optimization, with experience in optimizing UI lag, thread performance, and database efficiency.

Instant Messaging Related Technologies:

Familiar with the basic principles and technologies of instant messaging systems, such as message push, real-time data transmission, Socket, and WebSocket.

Experience in developing IM applications, capable of designing and implementing efficient message transmission and storage mechanisms.

Network and Data Processing Capabilities:

In-depth understanding of network protocols such as TCP/IP, HTTP/HTTPS, with some experience in network optimization.

Familiar with data storage and synchronization mechanisms, able to optimize the efficiency and stability of data transmission.