Senior Mobile Software Engineer

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Senior Mobile Software Engineer in USA

ByteDance
Full time
Email

USA
09/09/2026
Report

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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