Principal Mobile Engineer, Platform - MetaMask
Core
Architecting and scaling the React Native and native mobile platform for MetaMask, serving tens of millions of Web3 users and developers.
Role type
Principal Mobile Engineer (Platform)
Builds
MetaMask Mobile (iOS & Android) client platforms and shared infrastructure
Domain
Web3 / Blockchain / Fintech
Deliverable
production ML models | product features | infrastructure
Required skills
React Native architecture, iOS (Swift/SwiftUI), Android (Kotlin/Jetpack), mobile CI/CD, OTA systems, performance optimization, system design, technical leadership
Preferred skills
Web3/crypto domain knowledge, open-source contributions, low-end device optimization, fully remote team experience
Technologies
React Native, Swift, Kotlin, Jetpack, OTA, CI/CD pipelines
Responsibilities
Define and evolve mobile platform architecture; lead large-scale upgrades and migrations; improve developer experience and automation; build AI-enabled platform features; drive app health and performance culture; mentor senior engineers
Seniority
Principal, hands-on IC with strategic influence