HarmonyOS Mobile Engineer

• Build and maintain features for the Marshall HarmonyOS app using ArkTS (HarmonyOS Next) and Huawei development frameworks
• Implement clean, scalable, and maintainable architecture
• Turn product and design requirements into high-quality, user-focused solutions
• Ensure app stability, performance, and responsiveness across all HarmonyOS devices
• Partner with test automation engineers and QA to expand automated test coverage
• Perform root-cause analysis for production issues and drive preventive improvements
• Work with iOS, Android, and UI/UX designers to ensure feature parity and a consistent user experience across platforms
• Collaborate closely with embedded and firmware teams to support seamless Bluetooth and device connectivity
• Partner with product managers and designers to refine requirements and contribute to technical feasibility discussions
• Stay up to date with the latest HarmonyOS platform changes, Huawei APIs, and ecosystem capabilities
• Contribute to shared mobile architecture patterns, internal libraries, and engineering best practices
• Participate in code reviews and foster a culture of continuous improvement

• Experience building and releasing mobile apps using ArkTS, HarmonyOS, or Huawei HMS Core
• Strong software engineering fundamentals, including modular architecture, asynchronous programming, and clean code principles
• Familiarity with modern development tools (GitHub, CI/CD pipelines, code quality tools, automated testing frameworks)
• Experience working with REST APIs, real-time communication, and offline-first data flows
• Ability to collaborate effectively in English with distributed teams
• Experience with Bluetooth/BLE integrations or IoT device connectivity
• Experience building audio, media, or consumer electronics companion apps
• Knowledge of Android development (Kotlin) or cross-platform mobile development
• Experience working with firmware or hardware teams
• Exposure to design systems and UI/UX best practices
• English: Particularly important (primary working language with the Stockholm team)
• Mandarin: Required for local collaboration in the Shenzhen office

• Experience building audio, media, or consumer electronics companion apps
• Knowledge of Android development (Kotlin) or cross-platform mobile development
• Experience working with firmware or hardware teams
• Exposure to design systems and UI/UX best practices

Relocation support (includes visa/work permit application, local authority registration, and home finding service)