Senior Frontend Engineer
$150,000–$250,000 year
On-siteNew York City, New York, United States or San Francisco, California, United States
Job Summary
Senior Frontend Engineer responsible for designing and implementing user-facing frontend applications using React and TypeScript that interact with blockchain networks, payments, and DeFi protocols. Build scalable components, design systems, and testing frameworks; contribute to public SDKs and APIs; collaborate with product, design, engineering, and partnerships to deliver features that enhance user experience; drive performance, accessibility, security, and code quality improvements; innovate on Web3 UX to make complex onchain actions intuitive. Location flexibility to San Francisco Bay Area or New York City; visa sponsorship available for international candidates.
Required Qualifications
- 2+ years of experience building production frontend applications with React and TypeScript
- Strong understanding of modern frontend development including state management, API integration, responsive design, and performance optimization
- Product mindset and focus on user experience
- Fast learner willing to explore new technologies (including blockchain SDKs, payment APIs, or emerging web standards)
- Collaborative spirit with cross-functional teams
- Location willingness to relocate to the San Francisco Bay Area or New York City
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