Senior Android Engineer, Native Platform
Build and own the native Android foundation for a consumer AI-driven social platform, focusing on app architecture, hybrid integrations, and production quality. Requires 5+ years of Android experience with Kotlin and Jetpack Compose in a fast-paced startup.
About the job
Responsibilities
- Build and own Sekai’s native Android foundation using Kotlin, Android SDK, and modern Android architecture
- Design and improve the Android app shell, navigation, lifecycle handling, session management, permissions, push notifications, deeplinks, and release workflows
- Create clean integration points for product modules built in native Android, React Native, Flutter, or WebView
- Partner with Product, Design, Backend, and Mobile engineers to ship high-quality consumer mobile experiences
- Improve Android app reliability, responsiveness, maintainability, and production quality across real-world devices
- Build observability and debugging workflows for crashes, app health, release quality, and user-impacting issues
- Define engineering patterns for native modules, cross-stack communication, hybrid screen ownership, testing, CI/CD, and rollout
- Use modern AI development tools to move faster while maintaining strong engineering quality
Qualifications
- 5+ years of professional Android engineering experience
- Strong hands-on experience with Kotlin, Android SDK, and production Android app development
- Experience building or owning major parts of a consumer-facing Android app
- Strong understanding of Android architecture, app lifecycle, navigation, concurrency, networking, persistence, dependency management, and modularization
- Experience building high-quality mobile UI using Jetpack Compose and/or the traditional Android View system
- Strong product sense and care for mobile user experience, polish, responsiveness, and reliability
- Ability to make independent architecture decisions and clearly explain technical tradeoffs
- Strong ownership mindset and ability to drive work end-to-end in a fast-paced environment
- Comfortable collaborating closely with Product, Design, Backend, Mobile, and Growth teams
Preferred Qualifications
- Experience leading or helping lead a team to build a mobile app from 0 to 1
- Experience working in a startup or high-growth consumer product environment
- Experience with React Native, including native modules, bridges, or hybrid mobile architecture
- Experience integrating Flutter or WebView-based modules into native Android apps
- Experience with Android performance profiling, startup optimization, memory management, UI responsiveness, crash reduction, or app health monitoring
- Experience with mobile observability and analytics tools such as Firebase Crashlytics, Sentry, Datadog, Amplitude, GA4, or similar tools
- Experience with feed-based, social, entertainment, creator, gaming, UGC, marketplace, or other high-engagement consumer products
- Experience with Gradle, CI/CD, staged rollouts, Play Console, app signing, and release automation
- Familiarity with iOS, TypeScript, React Native, Flutter, or web-based interactive content is a plus
- Experience using AI coding tools such as Cursor, Claude Code, Codex, or GitHub Copilot
Benefits
- Top-tier salary in the market + competitive equity
- Full health insurance
- Remote-first team
Skills
Kotlin, Android Sdk, Jetpack Compose, Android Architecture, React Native, Flutter, Webview, CI/CD, Gradle, Firebase Crashlytics
Similar jobs
Android Engineering jobs
SpotOn
United StatesDevelop and lead Android software for high-availability restaurant point-of-sale systems, with an emphasis on payments, security, scalability, and reliability. Requires 8+ years of Android experience, Java and Kotlin proficiency, and a bachelor’s degree.
Instacart
United States
Senior mobile engineer responsible for building and optimizing Android applications alongside distributed backend systems, leading development lifecycles, and improving delivery pipelines. Requires a bachelor’s degree and at least five years of related experience, including advanced Android development.
Polymarket
New York, NY
Build and own high-performance Android trading features spanning payments, real-time market data, and core UI. The role requires strong Kotlin and Jetpack Compose expertise, modern Android architecture knowledge, and experience with CI/CD and Gradle.
Duolingo
Pittsburgh, PAOwn the stability and performance of Duolingo’s Android learning app, leading architecture improvements and building tooling for tracing, benchmarking, and regression detection. The role requires strong Kotlin and modern Android expertise, experience diagnosing complex application issues, and mentorship skills.
Instacart
United StatesBuild and lead Android applications powering Instacart’s Digital Twin Platform, store-view, and Connected Stores initiatives. The role requires 5+ years of Android experience, strong Kotlin or Java expertise, architectural leadership, and comfort integrating hardware and data-intensive systems.