京东前端开发工程师
社招全职5年以上软件开发岗地点：北京状态：招聘
任职要求
1.本科以上学历，5年以上工作经验，前端基础知识扎实，熟练掌握原生JavaScript（ES6）、HTML、CSS，TS、具备优良的编码风格，高质量的编码习惯； 2.有前端工程、模块化、组件化的经验，具有性能优化的经验； 3.熟悉至少一种前端框架：Vue/React/Angular，React优先，了解底层原理； 4.构建工具：熟悉至少一种构建工具 Webpack/Rollup/Gulp/esbuild/Vite ，了解代码分割、热更新、Tree Shaking 等高级特性； 5.模块化：了解前端模块化方案，如：CommonJS、AMD、UMD、ES2015（ES6）模块化规范、SystemJS； 6.熟悉至少一种JavaScript/TypeScript 编译器：Swc/Babel/Closure Compiler/Traceur，了解代码压缩、作用域分析、模板编译等实用特性。 符合京东价值观：客户为先、创新、拼搏、担当、感恩、诚信。
工作职责
1.能独立负责京东金融App H5前端项目（统一账单、FmPaas）的业务需求开发，独立完成需求拆解及技术方案实现，能推动项目顺利落地并保证交付质量和可维护性； 2.参与团队技术基建的建设，参与工程和架构的设计与优化，能够解决有一定难度的技术问题并交付功能，逐步提升研发效率和质量； 3.关注项目线上指标数据，包括性能、可用性、效能指标等，持续对应用进行性能调优和架构优化、保证代码质量和服务稳定、提升用户体验。
包括英文材料
学历+
JavaScript+
https://developer.mozilla.org/zh-CN/docs/Learn_web_development/Core/Scripting
[英文] Learn JavaScript
https://learnjavascript.online/
The easiest way to learn & practice modern JavaScript
[英文] Learn JavaScript
https://web.dev/learn/javascript
https://www.youtube.com/watch?v=zuKbR4Q428o
Write bulletproof JavaScript code with unit testing!
ES6+
[英文] ES6 Tutorial
https://www.javascripttutorial.net/es6/
[英文] Javascript ES6
https://www.w3schools.com/JS/js_es6.asp
HTML+
https://developer.mozilla.org/zh-CN/docs/Learn_web_development/Core/Structuring_content
[英文] Learn HTML
https://web.dev/learn/html
CSS+
TypeScript+
https://www.youtube.com/watch?v=JHEB7RhJG1Y
Master TypeScript from basics to advanced concepts through hands-on tutorials covering type annotations, generics, data fetching, Zod library, and more, with practical challenges for effective real-world application.
编程规范+
[英文] Google Style Guides
https://google.github.io/styleguide/
Every major open-source project has its own style guide: a set of conventions (sometimes arbitrary) about how to write code for that project. It is much easier to understand a large codebase when all the code in it is in a consistent style.
Vue+
[英文] Tutorial | Vue.js
https://vuejs.org/tutorial/
The goal of this tutorial is to quickly give you an experience of what it feels like to work with Vue, right in the browser.
https://www.youtube.com/watch?v=VeNfHj6MhgA
3 Hour crash course of the Vue.js framework. You will learn all the fundamentals including components, directives, lifecycle, events and much more.
React+
[英文] Quick Start - React
https://react.dev/learn
This page will give you an introduction to 80% of the React concepts that you will use on a daily basis.
https://www.youtube.com/watch?v=SqcY0GlETPk
Master React 18 with TypeScript! ⚛️ Build amazing front-end apps with this beginner-friendly tutorial.
https://www.youtube.com/watch?v=x4rFhThSX04
Learn modern React basics in the most interactive, hands-on way possible in the full course for beginners.
Angular+
[英文] Learn Angular
https://angular.dev/tutorials/learn-angular
This interactive tutorial will teach you the basic building blocks to start building great apps with Angular.
https://developer.mozilla.org/zh-CN/docs/Learn_web_development/Core/Frameworks_libraries/Angular_getting_started
文章中我们关注 Angular 能提供什么、安装必备的组件、建立一个示例应用，并关注 Angular 的基本架构。
Webpack+
[英文] Getting Started
https://webpack.js.org/guides/getting-started/
Webpack is used to compile JavaScript modules.
https://www.youtube.com/watch?v=3On5Z0gjf4U&list=PLblA84xge2_zwxh3XJqy6UVxS60YdusY8
https://www.youtube.com/watch?v=IZGNcSuwBZs
In this video, we will create a Webpack dev environment from scratch.
Rollup+
[英文] Tutorial | Rollup
https://rollupjs.org/tutorial/
Gulp+
https://gulpjs.com/docs/en/getting-started/quick-start/
https://www.freecodecamp.org/news/super-simple-gulp-tutorial-for-beginners-45141974bfe8/
Gulp is one of the most popular build tools these days — along with Webpack.
ESBuild+
[英文] Getting Started
https://esbuild.github.io/getting-started/
First, download and install the esbuild command locally.
https://www.youtube.com/watch?v=xRiC8YLGhGQ
An overview of esbuild, a JS bundler up to 100x faster than its competitors.
Vite+
https://www.youtube.com/watch?v=89NJdbYTgJ8
In this video, we will talk about the Vite JavaScript build tool. We will also compare it to Webpack as well as Create React App.
Babel+
https://babeljs.io/docs/
Babel is a toolchain that is mainly used to convert ECMAScript 2015+ code into a backwards compatible version of JavaScript in current and older browsers or environments.
https://www.youtube.com/watch?v=o9hmjdmJLMU
In this video you will learn why do you need to transpile Javascript at all and how Babel comes into play, what babel packages do you need to install and how to use and configure Babel to transpile Javascript code.
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