Senior Android Engineer

About the Role As a key technical member of the team, you will independently drive the development and optimisation of core modules, participate in technical decision-making, and help build high-performance, highly available global products. Job Responsibilities • Lead the development of the Cocos/Unity game container infrastructure, tackling complex technical challenges such as dynamic delivery and high-performance native bridging. • Independently design, develop, and iteratively optimise complex social features (e.g., social games, instant messaging, and feed streams), ensuring code quality and maintainability. • Systematically drive application performance optimisation by leading initiatives on startup speed, memory usage, and package size, and establishing team performance standards. • Drive the evolution of component-based architecture and build development toolchains to significantly improve team R&D efficiency and quality. • Lead key technology selection, write technical documentation, mentor junior engineers, and conduct code reviews. Job Requirement: • Bachelor's degree or above in Computer Science or a related discipline, with 3–5 years of experience in commercial Android application development. • Proficiency in Java or Kotlin, with an in-depth understanding of Android system internals and hands-on experience in performance optimisation, memory management, and multi-threading. • Strong capability in architecting complex business solutions, with proven experience in independently designing, developing, and delivering medium-to-large-scale feature modules. • Familiarity with the principles of common open-source frameworks, with solid skills in technology selection and problem diagnosis. • Strong sense of responsibility, excellent communication and collaboration skills, and a proactive approach to driving project delivery. Preferred: • Hands-on experience in integrating and communicating with game engines such as Cocos or Unity. • Experience in developing high-concurrency social games, instant messaging (IM), or audio/video-related projects. • Familiarity with modern Android development stacks such as Jetpack Compose and Kotlin Coroutines/Flow. • Experience in componentisation, architecture design, or performance-tuning tool development. • Experience in globalised application development or large-scale social/gaming projects. • Development experience in C/C++ or Rust.