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

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