Senior Software Engineer (Web3)

TL;DR

Senior Software Engineer (Web3): Develop and scale the accounts system for the MetaMask wallet integrating multiple blockchains like Ethereum, Bitcoin, and Solana with an accent on scalable architecture, hardware wallet integration, and UI/UX improvements. Focus on designing robust blockchain account models, enhancing backup and sync features, and collaborating across teams in a fully remote environment.

Location: Remote from Canada, United States, LATAM, or EMEA

Salary: $104,000–$187,000 USD (US-based candidates only)

Company

hirify.global is a leading blockchain and web3 software company pioneering innovations in the decentralized web ecosystem, including MetaMask and other key products.

What you will do

• Design and build scalable architecture for MetaMask accounts system supporting multiple blockchain networks.
• Integrate new account models and hardware wallets into the wallet platform.
• Improve the wallet's Backup & Sync feature and overall UI/UX.
• Collaborate with Product Managers, Designers, and QA Engineers in an agile environment.
• Work independently and as part of a remote engineering team.

Requirements

• Must be fluent in English with strong communication skills.
• Minimum 5 years experience with JavaScript, TypeScript, Node.js, and React/React Native.
• Experience working on teams with strong collaboration and peer review.
• Proven knowledge of Ethereum, Bitcoin, Solana, and blockchain ecosystems.
• Experience in CI/CD and agile project environments.
• Ability to work fully remote across Canada, US, LATAM, or EMEA time zones.

Nice to have

• Cryptography knowledge.
• Cybersecurity experience.

Culture & Benefits

• Remote-friendly, diverse, and inclusive work environment.
• Autonomy and freedom to experiment in a fast-evolving Web3 space.
• Collaborative culture with emphasis on feedback and growth mindset.
• Opportunity to work on impactful blockchain products used by millions worldwide.