Senior Mobile Developer (HarmonyOS)

We are seeking a Senior HarmonyOS Developer in Chengdu. You will build and maintain native HarmonyOS applications, owning features from technical analysis through release. You will collaborate with product, design, back-end and QA teams to deliver secure, reliable user experiences. You will also help shape engineering decisions, improve code quality and keep the app performant across devices. Responsibilities Design, build, test and maintain native HarmonyOS features using ArkTS and ArkUI Translate product requirements and designs into robust, maintainable implementations Build reusable components and integrate apps with back-end services and REST APIs Apply mobile architecture, lifecycle and concurrency practices to deliver responsive experiences Write automated unit and UI tests, participate in code reviews and follow team standards Debug defects and performance issues across HarmonyOS devices and versions Support build, packaging, signing and release activities using the HarmonyOS toolchain Share knowledge and provide technical guidance to team members Requirements Hands-on experience developing and maintaining native HarmonyOS applications Expertise in ArkTS and ArkUI or equivalent HarmonyOS language and UI framework for the target version Experience with DevEco Studio, the HarmonyOS Software Development Kit (SDK) and debugging or profiling tools Knowledge of mobile architecture, lifecycle management, concurrency and resource management Experience integrating REST APIs, handling asynchronous data flows and error states Testing capability including unit tests and UI tests for mobile applications Working knowledge of version control and collaborative workflows including Git and code reviews Understanding of mobile security, performance, accessibility and device compatibility Nice to have Experience with HarmonyOS distributed capabilities or multi-device experiences Experience with mobile continuous integration and continuous delivery (CI/CD) pipelines and release automation Experience developing native apps for Android or iOS