EfficLabSideline

2024.02 - Present Founder

EfficLab is a self-media company focused on computer and internet technology. We aspire to become the 3Blue1Brown of the computer (science & industrial technology) field. Using videos as our medium, we produce the highest quality Chinese technical content to promote the development of the computer industry from the level of basic education. As of the end of 2024, we have over 50,000 followers across all platforms. You can find us on YouTube, Bilibili, Xiaohongshu, and Douyin, among others. For more information, please visit https://efficlab.com.

PayPal Holdings, inc.Full-time

2021.03 - Present Member Of Technical Staff 1 (MTS1)

2019.07 - 2021.02 Software Engineer 3

As the Web R&D Lead for the CIPDS-ERC team at PayPal's Shanghai headquarters, I am responsible for the design and development of our team's web service functionalities, as well as the coordination and management of team members and tasks. My main responsibilities include:

• End-to-end architecture design, development, and maintenance of web services.
• Collaboration and development process control with international teams.
• Agile-based project management.
• Building the team's technical culture.

During my tenure, I have received the company's "Spot Award" multiple times for special contributions. Our team members and partners are primarily located in Shanghai, New York, San Jose, Chicago, and India. The relevant technology stack includes React, Node.js, TypeScript, among others.

Alibaba Local Service / Ele.meFull-time

April 2017 - June 2019 Senior Frontend Engineer

• At the beginning of this career, I led the front-end team to maintain several web front-end projects at "饿了么 π". I Worked mainly with Vuejs, Electron and WeChat applets and other front-end technologies as product implementation solutions. The work is mainly for delivery technology and future logistics solution innovations, through technical and business-level improvements (such as "drones", "intelligent delivery sites", etc.) to optimize the existing delivery system and improve the efficiency of deliverying orders.
• After the transfer to "饿了么大前端", I was in charge of internal front-end R&D work. I was mainly responsible for the Web front-end construction of the basic logistics platform, and also integration work with other BU like Taobao. This part of the business mainly uses techniques such as React, Rax, Weex and other open source technologies and solutions inside and outside the company.

Tapatalk Co., Ltd.Full-time

March 2015 - March 2017 Full-stack Engineer

I was mainly responsible for the construction of the company's web front and back-end infrastructure, and the overall development was under PHP ecosystem. The work mainly includes: migration from CakePHP to Laravel framework, API interface development based on the above framework, development of timing/resident scripts, PC website development and performance tuning, SEO optimization, overall engineering design and development of H5 website, etc.

East China University of Science and Technology

Information Engineering - Bachelor Degree

In the East China University of Science and Technology, I received my bachelor's degree in "Information Engineering". I mainly studied circuit and signal related courses such as signal and system, circuit principle, microcomputer principle and design based on 51 microcontroller. Also learnt some software development courses such as Java basic program development, algorithm and data structure, etc.

QCon

Oct 2017 WebAssembly 核心原理、应用与未来展望

GMTC (Global Mobile Technology Conference)

Apr 2019 WebAssembly — 技术变革，未来已来

Jun 2021 WebAssembly Annual Report - 2021

深入浅出 WebAssembly

Nov 2018 Paperback Book / China Machine Press

This book strives to start with some simple practices, then deep dive into the theory. It introduces the development detail of WebAssembly technology, and various underlying design principles and implementations, related toolchains and future development and many other aspects.

WebAssembly 入门课

Oct 2020 Online Course / Geektime

This course talks about some fundamental WebAssembly-related knowledges.

深入 C 语言和程序运行原理

Oct 2021 Online Course / Geektime

This course talks about how C grammars are implemented in assembly code (like x86-64), and how to write high-performance C code, and how the C program runs under the control of OS, etc.