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# System prepended metadata

title: Senior Front-end Engineer

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# Senior Front-end Engineer

## Responsibilities:

Design and build libraries and frameworks that support complex web applications, speed up development efficiency and improve code quality.

Define and implement architecture standards and best practices.

Optimize web applications to maximize speed and scale. 

## Requirements:

- No academic degree requirement, we only evaluate your technical depth.

- Master of JavaScript and NodeJS, (N) years of designing and implementing JavaScript frameworks and libraries. 

- Deep understanding of the underlying mechanism of popular UI rendering frameworks, such as React and NextJS.

- Deep understanding of Web performance optimization and error monitoring.

- Familiarity with styling & UI libraries, such as Tailwind, MUI, styled-components.

- Familiarity with unit testing and e2e testing.

Mastership and proven trackable record in either of the following areas (the more the better):

- Developing toolkits to improve frontend dev efficiency and quality, deep understanding of esbuild, Webpack, Parcel, Vite, etc.

- Master of server-side NodeJS framework development and server-side rendering.

- Proficient in mono-repo tools, and experienced in CICD pipelines.


## Preferred qualifications:

- Your active Github portfolio. 


