Job Responsibilities: - Implement new user-facing features in products that have a huge amount of PV every day - Write client-side code to create super-fast, easy-to-use, web-based applications which include websites for both desktop and mobile browsers, and hybrid in-app pages - Optimize web applications to maximize speed and scale - Build libraries and frameworks that support complex web applications, speed up development efficiency and improve code quality - Contribute creativity and insight to solve both technical and business challenges - Research and promote new technologies and best practices within the team Candidate Requirements: - 8+ years experience developing production software - Advanced hands on knowledge of TypeScript + React - Experience with modern web technologies such as Webpack, Next.js, Redux, styled components, or similar - Proven track record of delivering well-tested, high-quality, maintainable projects. - Great cross-team communication skills - Self-managed, proactive work style. Ability to perform at a high level in a fast paced environment - Basic or Fluent English level Desirable: - Blockchain-related industry experience as a plus