USD per year
Senior Software Engineer - MetaMask Card
Locations: UNITED STATES - Remote, EMEA - Remote, LATAM - Remote Employment Type: Full-time
About Consensys
Consensys is the leading blockchain and web3 software company founded by Joe Lubin, CEO of Consensys and Co-Founder of Ethereum. Since 2014, Consensys has been at the forefront of innovation within the web3 ecosystem. Their product suite includes MetaMask platform, Infura, Linea, Diligence, and NFT toolkit Phosphor. Their mission is to unlock the collaborative power of communities by making the decentralized web universally easy to access, use, and build on.
About MetaMask
MetaMask aims to create a thriving engineering organization that supports engineers' well-being while empowering them to do work they are proud of and enjoy. They strive for an environment with high trust and autonomy while facilitating collaboration and camaraderie. They aspire to build a diverse engineering team inclusive of all backgrounds and demographics. Working at MetaMask catalyzes career growth and learning.
What you'll do
This role is within the Card team focused on development and integration of the MetaMask Debit Card and related features into the MetaMask platform. As a Senior Software Engineer on this team, you will:
- Design and implement front-end components and user experience for MetaMask Debit Card interactions across MetaMask clients.
- Develop robust and scalable backend services and APIs to manage card lifecycle, facilitate transaction processing, and integrate with financial partners.
- Ensure seamless and secure integration with Card Issuers, payment networks, and compliance systems.
- Optimize performance and security of all Card features, handling real-time data feeds and high-volume transaction throughput.
Requirements
- 3+ years working with mobile-based technologies
- 3+ years building websites and/or applications
- Experience with React and React Native
- Strong knowledge of modern Javascript (ES6/TypeScript/etc.)
- Familiarity with blockchain fundamentals and Web3 integration
- Working knowledge of cross platform/browser compatibility
- Experience working with APIs and middleware services
- Experience working in an agile development team
- Experience developing applications with clean code practices, testing, adherence to coding standards
- Understanding of web-based security considerations
Bonus Points
- Experience with payment processing, card issuing, or fintech products
- Experience with DeFi protocols and/or digital asset management
- Knowledge of financial products in the digital space
- Interest in blockchain technologies and Web3
- Basic understanding of cryptography principles
- Experience working in distributed teams
- Previous experience working in Web3
- Familiarity with the Web3 wallet ecosystem
- Experience with performance optimization
Other skills to demonstrate
- Good verbal and written communication in English
- Teamwork, flexibility, organization
- Eagerness to learn and grow technical skills
- Ability to balance technical quality with business needs and user experience
Additional Information
Applicants must submit to background checks including employment, education, criminal record checks. Further details provided upon successful criteria match. US pay range (excluding bonus/equity/benefits): $130,000—$187,000 USD (determined during interview process) Consensys values diversity and inclusion; they encourage applicants from all backgrounds. They are an equal opportunity employer.
Benefits
- Competitive benefits package
- Equity ownership upon joining
- Recognized in blockchain & Web3 ecosystem
- Continuous learning & development opportunities via Consensys Advance Program including Coursera access
- Unlimited vacation/holidays including company-wide “zero productivity” days
- Flexible working arrangements tuned for asynchronous global workforce
- Remote-first work environment across six continents
Founded in 2014 by Ethereum co-founder Joseph Lubin, Consensys has been part of Ethereum’s journey from before the genesis block. It incubated the first Ethereum wallet, funded early projects, and developed infrastructure to help Ethereum scale. The company supports millions of users and thousands of developers worldwide by building tools and infrastructure powering Ethereum and contributing to every major upgrade. With a global team of over 700 technologists, designers, cryptographers, product thinkers, and researchers, Consensys operates with long-term conviction, open-source principles, and deep technical rigor. It plays a critical role in fostering adoption in decentralized finance (DeFi), non-fungible tokens (NFTs), decentralized autonomous organizations (DAOs), and advocates for a decentralized future by working with policymakers globally.
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