Principal Mobile Engineer, Platform

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🕒 April 21

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MetaMask

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2016

₿ Crypto

🌐 Web 3

💳 Fintech

Crypto • Web 3 • Fintech

MetaMask is a leading self-custodial crypto wallet that serves as a gateway to blockchain applications. Available as a browser extension and mobile app, it enables users to track and manage their web3 assets securely and conveniently. With features such as buying, selling, staking, and bridging crypto tokens, MetaMask empowers over 100 million users worldwide to control their digital assets and interact on the decentralized web with privacy and security.

📋 Description

• Own mobile platform architecture • Define and evolve architecture of MetaMask Mobile (React Native + native) • Make tradeoffs between JS/TS, RN, and native • Design and steward core platform systems • Lead cross-team initiatives • Drive upgrades and migrations • Conduct structural performance and stability work • Elevate developer experience & automation • Improve tooling and release workflows • Establish patterns for navigation and state management • Integrate AI/LLMs into workflows • Define metrics and dashboards for performance and stability • Mentor engineers and influence technical direction

🎯 Requirements

• 10+ years building and scaling mobile apps • Ownership of large, production React Native or hybrid mobile platforms • Prior Staff/Principal-level impact leading technical initiatives • Deep expertise with React Native in production • Solid experience with native iOS (Swift/SwiftUI) and/or Android (Kotlin/Jetpack) • Understanding of mobile CI/CD, release engineering, and OTA systems • Proven ability to influence without authority and mentor senior engineers • Experience using AI/LLMs to improve productivity and code quality

🏖️ Benefits

• Health insurance • Retirement plans • Paid time off • Flexible work arrangements • Professional development • Bonuses • Stock options • Equipment allowances • Wellness programs