Qitao Yang

Senior iOS Engineer

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About Me

I'm a passionate full-stack developer with 8 years of experience, specializing in iOS development. I excel at building performance-optimized and aesthetically pleasing applications. Currently working at ELE.ME as a Senior Expert (P7 level), I have a proven track record of leading technical innovations and building successful products with millions of daily active users.

Contact Information

  • Location: Hong Kong

Skills & Expertise

Technical Skills

  • iOS Development (Swift, Objective-C)
  • Performance Optimization
  • Multithreading
  • Networking
  • UX Animation
  • Architecture Design
  • SwiftUI
  • Full-stack Development
  • AI/ML Integration
  • Web3 Development

Tools & Technologies

  • Xcode
  • Git
  • ARKit
  • Core Graphics
  • Core Animation
  • Instruments
  • CI/CD
  • Serverless
  • LLM Models

Professional Experience

ELE.ME (Alibaba Group)

  • Senior Expert (P7)
    2021–Present

    Leading iOS architecture team, responsible for performance optimization, architecture design, and innovation initiatives.

Key achievements:

  • Led app launch optimization achieving significant performance improvements
  • Developed Swift image library with memory optimization
  • Implemented app performance monitoring system
  • Pioneered AI initiatives including on-device LLM inference
  • Built Mac apps (eBox, eChat) using SwiftUI

Echo Technology

  • Senior iOS Engineer
    2020–2021

    Core developer for iOS app focusing on architecture and performance optimization. Created and open-sourced Longinus, a high-performance Swift image loading library.

Independent Developer

  • Founder & Developer
    2017–2020

    Created multiple successful products including 👇

  • FaceJoy - Creative AR game using FaceID and ARKit
  • Huaxia Wanxiang - Cultural education app featured on App Store
  • Cosmos - Popular third-party Weibo client with 60 FPS performance

Selected Projects

Charming

2023-Present

A cross-platform AI chat client for Mac, iPhone, iPad, and Apple Watch

  • First AI chat app with multi-turn Siri conversations
  • Built-in prompt community
  • Full-stack development including frontend, backend, and mobile
  • Peak DAU: 10,000+
  • URL: https://charming.chat

Swapr

2023

AI-powered face swap application

  • Integrated with large language models
  • Implemented serverless backend architecture
  • DAU: 3,000+
  • URL: https://swapr.lol

SafeSnap

2022

Open-source Web3 DAO governance tool

SafeSnap

iMark

2016-2017

Image annotation tool with 100M+ users

  • Independently developed
  • Complex gesture handling and image processing
  • Advanced memory optimization
  • Available on App Store

Recent Books

A GUIDE TO iOS ANIMATION

2016

An interactive eBook about iOS animations

  • 20+ detailed case studies with source code
  • Comprehensive coverage of iOS animation techniques
  • Interactive demonstrations and examples
  • Well-received by the iOS development community
  • Source code: https://github.com/KittenYang/A-GUIDE-TO-iOS-ANIMATION
  • Purchase: https://kittenyang.gumroad.com/l/JnWS

Key Features:

  • Interactive animations
  • Detailed implementation guides
  • Real-world examples
  • Best practices and optimization tips

Recent Talks

iOS Interaction Performance Optimization

2016

Public speaking engagement focusing on:

  • iOS animation performance optimization
  • User interaction best practices
  • Memory management techniques
  • Real-world case studies
  • Presentation slides: https://github.com/KittenYang/Performance-Optimization-PDF

Technical Articles

2016-Present

Frequent contributor to Alibaba Technology Association (ATA)

  • Multiple trending articles on iOS development
  • Topics include performance optimization, architecture design
  • Shared insights on Swift adoption and AI integration

Achievements

Bachelor of Computer Science

Shanghai Normal University

Notable Achievements:

  • Published iOS Animation eBook
  • Multiple open-source projects with wide adoption
  • Multiple products with 10,000+ DAU
  • Featured on App Store Today
  • Patents in iOS performance optimization
  • Technical articles frequently trending on Alibaba internal platform

Professional Strengths

  • Strong focus on performance optimization and user experience
  • Proven track record of building successful products
  • Active contributor to developer community
  • Experience in leading technical teams
  • Passion for innovation and new technologies
  • Entrepreneurial mindset with full-stack capabilities

Languages:

  • Chinese (Native)
  • English (Professional)