# Hao Zheng

> Staff Engineer at Instacart | Ex-LinkedIn

Location: Sunnyvale, California, United States
Profile: https://flows.cv/haozheng

10+ years of experience in iOS, building trendy front end projects and scalable architectural design. Strong sense in product experience and user growth. Self-motivated Mobile Architect/Tech Lead/Mentor/Learner

## Work Experience
### Staff Software Engineer @ Instacart
Jan 2021 – Present | San Francisco Bay Area
Core Experience in Customer App:
• iOS Infra / Developer Experience / AI Tooling
• Shop / Order Experience
• Cart & Checkout / Replacement 
• Growth / Membership / Family Account

### Senior Software Engineer @ LinkedIn
Jan 2018 – Jan 2021 | Sunnyvale, CA, United States
Sales Navigator Mobile Team
iOS Tech lead on various cross-team projects and scalable architectural design:
• Login page redesign, new user acquisition flow and in-app purchase, driving 30% more subscriptions
• C2P time improvement to 10mins (from 40+mins), app size cutdown by 20+%
• Designed testing infra and led test coverage to 50+% (from less than 10%), app availability of 99.99%
• Led full 100% Swift migration (from 40+%)
• Architected localization and workflow to support 7 languages (and more easily)
• App modularization, improving pod phase built time by 10+%, along with local Bazel cache
• Rich push notifications, cross-team efforts to support rich message reply, shared search, etc
• Redesigned tracking architecture, single source of truth for better tracking and A/B testing

Self-motivated and adopted front end craftsmanship:
• Architected iOS context menu globally, driving thousands of more clicks for various features
• Scalable coverable loading CALayers, driving 20+% to 70+% traffic in multiple features
• Global empty state, easy to show network or custom failure, backed by redesigned network layer and global error handling
• Redesigned lead/account profile page, driving 50%+ more traffic 
• Proposed and built various shared UI components and more animations across the app using CALayers and animators, including bounced icons, interactive image viewer, confetti(EmitterLayer), bottom sheet, iOS13 present, etc
• Also owners of: login, home page, home search, scalable universal links, alerts, alert filters/bookmark, smart link, discover, flagship tier-in, app rating strategy, ASO, app release, web views, shortcuts, iPad

### Software Engineer @ Alarm.com
Jan 2014 – Jan 2018 | Vienna, VA
Full stack engineer building iOS app and API/backend services:
• Led and implemented video installation flow using WIFI or cable connection with scalable solutions
• Launched scalable video front end player for streaming camera and doorbell camera
• Built 3DTouch for automating smart devices and support customization
• Launched Scenes project to aggregate multiple smart device commands
• Architected and implemented Billing front end using credit card
• Adopted MVVM design pattern and introduced testing strategies on the iOS client
• Led Auto layout and Swift migration, along with combining iPad using the same codebase


## Education
### Master of Science (MS) in Computer Science
University of Iowa


## Contact & Social
- LinkedIn: https://linkedin.com/in/haozheng1
- GitHub: https://github.com/BabyShung

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Source: https://flows.cv/haozheng
JSON Resume: https://flows.cv/haozheng/resume.json
Last updated: 2026-04-12