Principal Mobile Engineer, Platform - MetaMask
Listed on 2026-07-14
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Software Development
App Developer - Mobile/Web, Blockchain / Web3, Software Architect
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 Meta Mask, 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.
Meta Mask’s Wallet Platform organization owns the client platforms for the Meta Mask browser extension and mobile apps. The Mobile Platform team treats Meta Mask 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.
Meta Mask 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 Meta Mask app.
You’ll work closely with engineers across Meta Mask, 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- Own mobile platform architecture
- Define and evolve the architecture of Meta Mask 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, VPN/geolocation primitives).
- Lead design and architecture reviews for critical platform areas.
- Lead high‑impact, cross‑team initiatives
- Drive large upgrades and migrations (React Native, navigation, foundational libraries).
- Lead structural performance and stability work: startup time, crash rate, ANRs, jank, memory usage, bundle size.
- Break large efforts into incremental, shippable milestones with clear impact.
- Elevate developer experience & automation
- Improve tooling, local dev ergonomics, build/test pipelines, and release workflows for all mobile engineers.
- Establish clear patterns for navigation, state management, and platform primitives to reduce cognitive load.
- Push towards “push‑button” releases and reduced operational toil via automation.
- Own and continuously improve the mobile SDLC and lifecycle, including CI, testing, and release workflows.
- Build an AI‑enabled platform
- Integrate AI/LLMs into workflows to scaffold code, enforce patterns, and improve testing and feedback loops.
- Help define how tickets and platform patterns leverage AI safely and effectively.
- Drive app health & performance culture
- Define and evolve metrics and dashboards for performance, stability, and efficiency.
- Provide tools and guidance so feature teams can self‑diagnose…
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