We are looking for a senior engineer who would be excited to bring technical leadership to these areas of work and help propose and champion other innovative key management features.

What you’ll do:

Be passionate about the technical and UX challenges involved in account and key management for a blockchain wallet Work on both our mobile and extension products with equal enthusiasm Lead technical and architectural decisions related to UI, APIs and modules necessary for MetaMask’s current and future key management solutions Improve our key management related code through effective review of pull requests, triaging and analysis of GitHub issues, auditing and refactoring the codebase, and testing Lead the technical security assessment of all new account and key management features to ensure MetaMask continues to be an extremely safe experience Proactively contribute to team discussions about technical issues, sprint and roadmap planning, and improving team processes Be proficient and thoughtful with asynchronous and synchronous communication, giving and receiving feedback, and working independently and with a team Support their teammates’ performance and growth Be successful working within a fully remote environment Bring respect, patience, and empathy to every interaction and relationship with coworkers and the community Bring hustle, enthusiasm, heart and a love of shipping code and fixing bugs to their work Who we’re looking for:

Successful candidates should be used to operating at a senior level, working closely with external engineering stakeholders such as product managers, and leading engineering squad or scrum teams. They should also be proficient, or be able to quickly become proficient, in the following areas:

JavaScript and TypeScript Key concepts, protocols and libraries underlying ethereum accounts, keys, transaction signing and message signing
Architecting and implementing APIs (for servers, services or libraries) in a Node.js context Working with both React and React Native, in both desktop browser and mobile development environments Some or all of: Node.js streams, Service Workers, generators, Observables, WebSockets Browsers and browser APIs Front-end build tools: Grunt, Gulp, webpack, or similar Testing: unit, integration, end-to-end Bonus points:

Security engineering Involvement in EIP authoring or review processes Native mobile engineering (iOS, Android) Applied Cryptography