Senior Software Engineer MetaMask Core

About MetaMask

We’re building for a future where the internet and world economy empowers people, instead of treating people like a product. Where our interactions are based on consent, privacy, and people freely associating with one another. Where communities can flourish and individuals can pursue their dreams. To accomplish that, we’re working hard to make web3 more accessible for everyone.

MetaMask is both a blockchain wallet and a gateway to the entire decentralized web. Our tools help people create communities, play video games, access financial services, make payments, invest in assets, survive economic turmoil, and more use cases than we can even predict. We exist across multiple platforms (browser extension and mobile), and we serve the whole decentralized ecosystem.

We're Hiring for MetaMask Core

One defining aspect of engineering at MetaMask is that we don’t maintain servers or databases. All of our users data is stored either locally on device or on the blockchain. Meanwhile, real time updates to data that is rendered to the user depends on our connection with external sources that draw from on-chain data.

Managing data in this context is a unique and interesting challenge. The need for data integrity, security and privacy is very high within a wallet. To meet this need, we build and maintain MetaMask Controllers, a “Collection of platform-agnostic modules for creating secure data models for cryptocurrency wallets”.

MetaMask Controllers is the data management layer at the core of our browser extension and mobile app code. Currently, all of mobile’s functionality and a large amount of the extension’s functionality depends on this code. We are currently pursuing a goal of fully unifying this data management layer across mobile and extension.

Once we achieve this, we will grow MetaMask controllers into a “wallet SDK”. This will be an internal product that will form the foundation of our extension and mobile products, our dapp API, as well as future products (e.g. a native Desktop Client).

We are looking for engineers to help build the core of MetaMask. This should be an exciting opportunity for engineers passionate about api design, data architecture, building javascript modules for other engineers, unit tests, code abstraction, wallet standardization and/or building SDKs.

Who we are looking for

• Be growth-minded, collaborative, and can enjoy some amount of ambiguity, autonomy, and freedom to experiment
• Improve MetaMask through effective review of pull requests, triaging and analysis of GitHub issues, auditing and refactoring the codebase, and testing
• 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

Technical Requirements

We are hiring at varying levels of experience. Most successful candidates will have at least a couple years of production experience. Meanwhile, there are key opportunities for individuals looking for very senior roles and responsibilities.

Successful candidates will be proficient, or be able to quickly become proficient, in the following areas:

• JavaScript and TypeScript
• React and Redux
• Architecting and implementing APIs (for servers, services or libraries) in a Node.js context
• 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
• Ethereum dapp development
• Involvement in EIP authoring or review processes
• Refactoring large, complex codebases

About ConsenSys

Our mission is to unlock the collaborative power of communities by making Web3 universally easy to use, access, and build on.

Working with ConsenSys puts you at the forefront of an evolving paradigm, transforming our society for the better. We fundamentally believe blockchain is the next generation of technology that can lay the foundation for a more just and equitable society.

Blockchain tech is just over 10 years old. Ethereum itself is still a toddler and we’re far from reaching our full potential. You’ll get to work on the tools, infrastructure, and apps that scale these platforms to billions of users.

You’ll be constantly exposed to new concepts, ideas, and frameworks from your peers, and as you work on different projects — challenging you to stay at the top of your game. You’ll join a network of entrepreneurs and technologists that reaches the edge of our ecosystem. ConsenSys alumni have moved on to become tech entrepreneurs, CEOs, and team leads at tech companies.

Why join ConsenSys? Here are some of the perks of being part of a unique organization like ConsenSys:

One of the most recognized tech companies in the blockchain ecosystem globally. A work experience at ConsenSys is a tremendous reference for your future career. ConsenSys alumni have moved on to become tech entrepreneurs, CEOs, and team leads at tech companies.

The forefront of a revolution. We fundamentally believe blockchain is a next generation of technology that can lay the foundation for a more just and equitable society. You can be a part of building the digital economy of tomorrow and radically transforming our society for the better.

A dynamic startup environment with deep roots. We are one of the earliest blockchain companies and a leader in the space. You’ll join a network of entrepreneurs and technologists that reaches the edge of our ecosystem.

Deep technical challenges. Blockchain technology is just over 10 years old. Ethereum itself is still a toddler. There is much to be done before these platforms can scale to the order of millions or billions of users. We are building the tools, infrastructure and applications l that are pushing the technology forward.

Continuous learning and improvements. You’ll be constantly exposed to new concepts, ideas and frameworks from your peers and as you work on different projects — challenging you to stay at the top of your game.

ConsenSys is an equal opportunity employer. We encourage people from all backgrounds to apply. We are committed to ensuring that our technology is made available and accessible to everyone. All employment decisions are made without regard to race, color, national origin, ancestry, sex, gender, gender identity or expression, sexual orientation, age, genetic information, religion, disability, medical condition, pregnancy, marital status, family status, veteran status, or any other characteristic protected by law.

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