Summary

We’re looking for a Front-End Developer to build and scale user-facing web applications for our blockchain/crypto products. You’ll work closely with Product Managers, Designers, and Backend Engineers to deliver sleek, reliable, and high-performance interfaces. The ideal candidate is strong in React and modern JavaScript, cares about clean UI/UX, and enjoys solving performance and usability challenges in fast-moving product teams.

Responsibilities

• Collaborate with Product Managers and Designers to translate UX flows and design prototypes into accurate, pixel-perfect, and reusable front-end components.
• Build, test, and maintain high-quality front-end applications using React and modern JavaScript/TypeScript best practices.
• Develop and maintain responsive web interfaces for blockchain/crypto product features such as onboarding, wallets, trading flows, account management, and dashboards.
• Integrate front-end systems with backend services via REST APIs/WebSockets, ensuring stable data flow, secure handling, and graceful error management.
• Optimize application performance and user experience, including load speed, rendering efficiency, responsiveness, and cross-browser compatibility.
• Contribute to a scalable front-end architecture, shared UI libraries, and consistent design-system implementation.
• Participate in code reviews, write clean and maintainable code, and produce clear technical documentation.
• Troubleshoot production issues, monitor UI performance, and continuously improve reliability and usability.
• Stay current with front-end trends and explore new tools/frameworks to improve development efficiency and product quality.

Requirements

• Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience).
• 3+ years of hands-on front-end development experience with React and Node.js in real production environments.
• Strong command of front-end fundamentals: HTML5, CSS3, JavaScript (ES6+), DOM, browser APIs, and responsive design.
• Understanding of browser rendering principles and practical experience in web performance optimization.
• Experience consuming and integrating APIs; familiarity with async patterns, authentication flows, and error handling.
• Proficiency with Git and collaborative development workflows (branching, PRs, reviews).
• Good communication skills and ability to work effectively in cross-functional teams.
• Fluent in English and Mandarin (spoken and written).