Senior Mobile Software Engineer, Global E-commerce Core Shopping and Experience

ByteDance ByteDance · Big Tech · San Jose, CA · R&D

Senior Mobile Software Engineer for ByteDance's Global E-commerce Core Shopping and Experience team, focusing on building and optimizing the Product Details Page (PDP). The role involves native mobile development (Kotlin/Objective-C/Swift) and cross-platform development (React), with an emphasis on performance, resilience, modularity, and driving technical direction for a platform team. Requires strong problem-solving, collaboration, and a proven track record in mobile development and scaling high-traffic consumer apps.

What you'd actually do

  1. Build and optimize Native features for a high-scale Product Details Page using Kotlin/Objective-C/Swift.
  2. Build Business features on cross-platform technologies with React in a fast-paced iteration environment.
  3. Design resilient, modular components that support regional variations, A/B testing, and feature flags.
  4. Improve performance across cold start, rendering, and network calls; own key KPIs like time-to-interact and crash-free sessions.
  5. Implement reusable frameworks on native to iterate quickly without a client release.

Skills

Required

  • BS/MS degree in Computer Science, Engineering, or related field
  • 5+ years of experience in native mobile development for Android/iOS platforms
  • 2+ years of experience in full-stack development
  • Deep Expertise in Android or iOS native performance optimization, memory management, mobile development frameworks and tools
  • Strong problem-solving skills
  • Excellent communication and collaboration skills

Nice to have

  • Experience with global companies and geo-specific feature delivery
  • Background in social feeds, media-rich experiences, or interactive product surfaces
  • Knowledge of Compose at scale (theming, performance, interoperability)
  • Observability tooling (e.g. Crashlytics, Firebase Performance, Logcat rules, custom metrics)

What the JD emphasized

  • proven track record of delivering successful projects
  • proven track record in building and scaling high-traffic, consumer-facing apps