What you’ll do

This role is specifically within the Card team, which is focused on the development and integration of the MetaMask Debit Card and related features directly into the MetaMask platform. As a Senior Software Engineer on this team, you will be instrumental in building the core infrastructure and user-facing features that enable millions of users to securely and intuitively manage and use their MetaMask Debit Card within their wallet.

Specifically, you will be responsible for:

• Designing and implementing the front-end components and user experience for MetaMask Debit Card interactions across MetaMask clients.
• Developing robust and scalable backend services and APIs to manage card lifecycle, facilitate transaction processing, and integrate with financial partners.
• Ensuring seamless and secure integration with Card Issuers, payment networks, and compliance systems.
• Optimizing the 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, and 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, and organization
• Eagerness to learn and grow your technical skills
• Ability to balance technical quality with business needs and user experience

Are you interested in this position?

Apply by clicking on the “Apply Now” Button below!
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