Senior Backend Engineer

Summary

Join Consensys' MetaMask Wallet API Platform Team as a Senior Software Engineer and contribute to building the infrastructure for the world's most exciting decentralized applications (dApps). You will build and maintain Wallet API infrastructure and tooling, manage a pipeline of proposed new APIs, and collaborate with partners and standards bodies to shape wallet API standards. This role requires significant experience with JavaScript, TypeScript, Node.js, and API development, along with a deep understanding of the Web3 ecosystem. The position offers the opportunity to work remotely (US or remote, excluding EU, Australia, and Canada) and be part of a dynamic, innovative team shaping the future of Web3. Consensys is committed to diversity and inclusion, and encourages applications from individuals with diverse backgrounds and experiences.

Requirements

• 4 years of JavaScript, TypeScript, and Node.js experience
• 2 years of experience working on a team of at least 3 other engineers with a strong focus on peer reviews
• 1 year of working experience with building/deploying dapps and/or web3/ethers.js libraries
• 2 years of experience with architecting, implementing, and/or managing externally-facing APIs (used by developers not belonging to the same organization)
• 2 years of experience managing an existing codebase
• 1 year of experience owning and managing unit, integration, end-to-end tests, and/or testing frameworks/strategies
• 1 year of experience with JSON-RPC, Swagger, and/or OpenAPI

Responsibilities

• Build and maintain Wallet API infrastructure and tooling
• Help to manage and govern a pipeline of proposed new APIs
• Work with partners and standards bodies across the Web3 ecosystem to shape wallet API standards

Preferred Qualifications

• Mobile development experience
• Security engineering
• Involvement in EIP authoring or review processes
• Browser APIs

Benefits

• Remote work, flexible hours
• US pay range (not including bonus, equity or other benefits) $100,000 — $237,000 USD