Job Details

Consensys is looking for a Principal Mobile Engineer for MetaMask. Salary: $227k - $272k. Responsibilities include owning mobile platform architecture, defining and evolving the architecture of MetaMask Mobile, and leading high-impact, cross-team initiatives.

As a Principal Engineer, you will: -Own mobile platform architecture -Define and evolve the architecture of MetaMask Mobile (React Native + native). -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 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. -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 and own regressions. -Champion shared accountability for app health across all teams contributing to mobile. -Multiply impact through leadership. -Mentor Senior/Staff engineers and influence technical direction across Wallet Platform and MetaMask. -Lead design and architecture reviews for critical platform areas. -Help shape hiring and technical culture for a lean, senior, high‑leverage Mobile Platform team.

Would be great if you brought this to the role Experience: -10+ years building and scaling mobile apps, including ownership of large, production React Native or hybrid mobile platforms. -Prior Staff/Principal‑level impact: leading complex, cross‑team technical initiatives.