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Senior Mobile Software Engineer

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Senior Mobile Software Engineer in USA

  • ByteDance
  • Full time
  • Email
  • San Jose, CA

Responsibilities

  • Build and optimize native Android and iOS features for a high-scale Product Details Page using Kotlin, Objective-C, and Swift.
  • Build business features with React and cross-platform technologies.
  • Design modular components supporting regional variations, A/B testing, and feature flags.
  • Improve cold-start, rendering, and network performance while owning time-to-interact and crash-free-session KPIs.
  • Implement reusable native frameworks that enable iteration without requiring a client release.
  • Translate product requirements and designs into robust, maintainable implementations with cross-functional teams.
  • Drive code quality through reviews, unit, integration, snapshot/UI testing, and observability.
  • Guide the PDP platform’s modular architecture and server-driven UI strategy.
  • Mentor engineers and share best practices.

Requirements

  • BS or MS degree in Computer Science, Engineering, or a related field.
  • At least 5 years of native mobile development experience on Android or iOS.
  • At least 2 years of full-stack development experience across backend and frontend.
  • Deep expertise in Android or iOS performance optimization, memory management, mobile development frameworks, and tools.
  • Experience building and scaling high-traffic, consumer-facing applications.
  • Strong problem-solving, debugging, troubleshooting, communication, and collaboration skills.
  • Preferred experience with global companies, geo-specific feature delivery, social feeds, media-rich experiences, or interactive product surfaces.
  • Preferred knowledge of Compose at scale, including theming, performance, and interoperability.
  • Preferred experience with observability tooling such as Crashlytics, Firebase Performance, Logcat rules, and custom metrics.

ByteDance

ByteDance is a global incubator of platforms at the cutting edge of commerce, content, entertainment and enterprise services - over 2.5bn people interact with ByteDance products including TikTok. Creation is the core of ByteDance's purpose. Our products are built to help imaginations thrive. This...

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