Principal Mobile Engineer, Platform - MetaMask

Consensys is the leading blockchain and web3 software company. Founded by Joe Lubin, CEO of Consensys and Co-Founder of Ethereum in 2014, Consensys has been at the forefront of innovation, pioneering technological developments within the web3 ecosystem.

The financial system is being rebuilt on open, programmable infrastructure, and Consensys is helping power that transition. From MetaMask, the platform trusted by tens of millions of users worldwide, to Linea, the only 100% proven zkEVM rollup and an emerging home for institutional ETH capital, Consensys builds products and infrastructure that enable users, developers, and institutions to participate in the next generation of the internet.

Our mission is to unlock the collaborative power of communities by making the decentralized web universally easy to access, use, and build on.

Joining Consensys means working with a fully remote, globally distributed team of technologists, designers, cryptographers, product thinkers, and researchers who are building the next layer of the internet. You'll be exposed to new ideas, emerging technologies, and complex challenges that push you to stay at the top of your game while helping scale products and infrastructure used by tens of millions of users and thousands of developers across the web3 ecosystem. You'll join a network of builders that reaches the edge of our ecosystem. Consensys alumni have moved on to become tech entrepreneurs, CEOs, and team leads at tech companies.

About the Mobile Platform Team

MetaMask’s Wallet Platform organization owns the client platforms for the MetaMask browser extension and mobile apps. The Mobile Platform team treats MetaMask Mobile as a platform: we enable all feature teams to ship high‑quality experiences faster by providing a secure, stable, high‑performance foundation with excellent developer experience and automated operations.

MetaMask Mobile (iOS & Android) is built primarily on React Native, with native code where it matters. As a Principal Mobile Engineer, you’ll be the most senior hands‑on technical leader focused on mobile: setting architecture, defining standards, and driving cross‑team initiatives that shape the future of our mobile platform and MetaMask app.

You’ll work closely with engineers across MetaMask, not just within Mobile Platform, to ensure our mobile apps performance and stability scale with our users, features, and the broader Web3 ecosystem.

What you’ll do

As a Principal Engineer, you will:

• Define and evolve the architecture of MetaMask Mobile (React Native + native), leaning into performance by tightly integrating with backend services and optimizing app–backend interactions holistically rather than in isolation.
• Make key tradeoffs between JS/TS, RN, and native to balance performance, reliability, and iteration speed.
• Design and steward core platform systems (e.g., OTA, analytics foundations, data/persistence, auth,