Senior Frontend Developer

- Solid knowledge on HTML5, CSS3, SASS, JavaScript (ES6+), and webpack
- Familiar with React, React-Native and Redux
- Familiar with RESTful APIs, WebSocket, HTTP protocol and JSON-API
- Familiar with browser compatibility and performance optimization
- Experience in SPA and RWD/PWD
- Understanding of wireframing, UX design or UI patterns

Nice to have:

- Experience in Jest or other unit/integration testing tools
- Experience in Firebase integration
- Experience in advanced serialization formats, like Protobuf
- Experience in building high-frequency and large-scale web applications
- Understanding saga-pattern and experience in Redux-Saga
- Experience in native mobile (Android or iOS) development is much better