https://dream.weekday.works/redirectToHiringCopilotExtension/

Summary: Working on the "Shared iPad" feature which is a multiple user system on iOS that allows several users to share one device. I’m also contributing to Mobile Device Management (MDM) related works. 
I works with different teams across the company, from low level OS team to first & second party apps team.

--- Shared iPad ---
•	Maintain & develop new features for Shared iPad
•	Conducted performance optimization for Shared iPad and shortened user's log-in and log-out time by 30%
•	Created script tools to help with performance benchmark, log analysis and bug triage

--- Mobile Device Management ---
•	Built up different MDM enrollment flows - BYOD enrollment (2019), Account Driven User Enrollment (2021), Apple Business Essentials related enrollment (2021)
            

    
    

    
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EF Invest

Berkshire Hathaway

Sequoia Capital

Morgenthaler

Venrock

Matrix Partners

Plug and Play Tech Center

Kibo Ventures

Herald Investment Management

2020 Ventures

Bluefish Capital

Cardinal Capital Management

Greenlight Capital

Arcturus Capital

Greenline Partners

Leavell Investment Management

Media Investment Group

Thomas White International

Digital Economy Ventures

Emerson Wealth

Safina Ventures

Alive Capital

PSP Investments

DNB Asset Management

Wider Sky

Shore Point Advisors

Kleiner Perkins

Matters

Million Labs

Gynther Capital

Leverty Financial Group

Cipher International

Black Capital Investments

KPitalism

The App Store is the best place to discover and download apps you’ll love on your iPhone, iPad, and iPod touch.

Summary: Worked on chat related features in the Snapchat iOS app which is Top 5 in Apple App Store with 100M+ daily active users.

•	Heavily involved in Snapchat's redesign. 
•	Developed a chat profile page that embedded interfaces from several teams with a "plug and play" architecture
•	Built up a chat UI service and helped clients to migrate & add different message types to the chatting system
•	Followed the best practices to build a silky smooth UI

Summary: Worked on the Course Hero iOS app (Top 20 in App Store’s grossing education app list) in a team of 7. Developed and maintained features to help students check out study materials and ask questions within the app.

•	Coded in both Objective-C and Swift
•	Primarily worked with MVVM pattern and explored alternative design patterns (e.g. VIPER)
•	Explored and performed best practices for reducing CPU/GPU/network usage and maximizing battery life
•	Boosted a UITableView's scrolling experience (average FPS) by 70% on old device model (from 35 fps to 55 fps)
•	Reduced app launch time by 30\% (cold launch: from 3.3s to 2.3s)
•	Accomplished light-weight backend work using PHP
            

    
    

    
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Wellington Management

OMERS Growth Equity

GSV Ventures

NewView Capital

SuRo Capital

The Peregrine Fund

D1 Capital

IDG Ventures USA

Maveron

SV Angel

Interplay Ventures

Innovation Endeavors

137 Ventures

Great Oaks Venture Capital

bill krause

Jeff Fluhr

Umang Gupta

Amidzad Partners

MITS Fund

Craft Ventures

SharesPost 100 Fund

Chimera

No Talking Capital

Benz Capital

Course Hero is a mobile-based platform providing online learning resources. The platform offers a suite of online educational resources including crowd-sourced study documents, expert tutors, customizable flashcards, and online courses. Also provides subject-specific resources including expert tutors and interactive flashcards. Provides study guides for standardized tests. Its mobile app is available for Android devices.

Mobile-based platform providing online learning resources

Summary: Developed an iOS app, "FaeMap", in Swift which allows users to pin interesting events on the map and chat with others within the app

•	Worked on the chat feature using JSQMessageController, Firebase, and Backendless
•	Built and enhanced features such as sending text messages, images, video, audio and location
•	Used Git for version control, introduced code review to the team
•	Worked with 4 teammates to write modularized and scalable code

Summary: Interned at Course Hero as an iOS engineer and developed the Course Hero iOS app in Objective-C

•	Introduced a new app homepage for the app
•	Built new features, including search history and ability to change user avatar. 
•	Embedded Google services such as authentication and auto-complete
•	Participated in the QA process, identified and resolved 20+ bugs

Summary: Started my professional iOS career here developing "DinersCode" app in Swift to assist users in finding best restaurants nearby

•	Built UI with custom animations
•	Made use of different SDKs to achieve functions like user registration, login, information validation and data acquirement

iOS Engineer at Apple

Huiyuan Ren