Principal Mobile Engineer, Platform - MetaMask
Core
Architecting and scaling the MetaMask Mobile platform (iOS & Android) to serve tens of millions of users and thousands of developers in the Web3 ecosystem.
Role type
Principal Mobile Engineer (Platform)
Builds
MetaMask Mobile client platforms (React Native + native) and internal developer tooling
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, cross-team leadership, technical strategy
Preferred skills
Web3/crypto experience, open-source contributions, low-end device optimization, AI/LLM integration for dev workflows
Technologies
React Native, Swift, Kotlin, Jetpack, CI/CD pipelines, OTA systems
Responsibilities
Define and evolve mobile platform architecture; lead large-scale migrations and structural performance work; improve developer experience and automation; drive app health metrics and culture; mentor senior engineers
Seniority
Principal, hands-on technical leader with strategic influence