# Shengzhe Chen

> Principal Engineer @ Meta | Mobile, Infra & Full-Stack | AI Agent Systems Enthusiast

Location: Palo Alto, California, United States
Profile: https://flows.cv/shengzhe

I am good at nothing except for problem solving. I enjoyed debugging touch issues and delivering solution for challenging problems.

Software Engineer with experience building mobile applications. I enjoy being a full-stack ENG to build application and solve problem e2e. More importantly, I have been a passionate gamer for decades, and always have a dream for building a GAME that changes the world.

## Work Experience
### 🟦 Principal Engineer — Meta, Integrity @ Meta
Jan 2024 – Present
- Working on Integrity systems at Meta, focusing on challenges around spam, scams, and off-platform abuse
- Building and improving systems that detect and limit abusive behaviors, including coordinated spam and paid scam activities
- Driving projects that span multiple teams, from problem definition through execution, especially in areas where signals are noisy and trade-offs are not obvious
- Setting technical direction for how we approach detection, enforcement, and product integration across different surfaces
- Working closely with product, infra, and policy to balance strong enforcement with a good experience for legitimate users
- Thinking a lot about how to reduce harm while still supporting a healthy and open community, including avoiding over-enforcement on benign behaviors

### 🟪 Principal Engineer — Instagram, Creation (Sharing) @ Meta
Jan 2023 – Jan 2024
- Worked on Instagram creation experiences, with a focus on making content creation faster and more expressive
- Helped bring the first set of GenAI features into Instagram creation (e.g. AI-generated backdrops)
- Set technical direction for the creation stack, especially around how GenAI capabilities integrate into existing workflows
- Led execution across multiple teams, helping break down ambiguous problems and driving them to shipped products
- Worked closely with product, design, and infra partners, and influenced decisions beyond my immediate team
- Contributed to shaping how generative AI fits into creation workflows at Instagram scale

### 🟩 Senior / Staff / Principle Engineer — Facebook, Creation @ Meta
Jan 2018 – Jan 2023
- Worked on creation experiences across Feed, Stories, and Reels, spanning both product features and underlying systems
- Led investigations into complex, cross-stack issues, often debugging across mobile clients, backend services, and infrastructure
- Drove cross-team efforts to resolve systemic issues, helping align multiple teams on root causes and long-term fixes
- Worked across Facebook and Instagram teams to bring creation foundations and user experience closer across the family of apps
- Helped shape and evolve creation infrastructure as usage and product surfaces expanded
- Took on increasing ownership over time, moving from individual features to broader problem areas and system-level challenges
- Influenced technical direction in areas where product experience and system behavior intersect

### 🟨 Software Engineer → Senior Engineer — Facebook, Payments @ Meta
Jan 2015 – Jan 2018
- Worked on Messenger Payments from early stages, helping build the product and scale it as usage grew
- Built and improved systems supporting peer-to-peer payments, with a focus on reliability and user experience
- Contributed to ads payments and C2C payment products, expanding payment use cases on the platform
- Worked across mobile, backend, and infrastructure to support a global payments system
- Gained experience building systems where correctness, latency, and reliability really matter

### iOS Developer at Ancestry.com  (Ancestry) @ Ancestry
Jan 2014 – Jan 2015 | San Francisco Bay Area
1. Assisted with UI implementations and involved and contributed to UX design and Product scope. [UIKit, Core Animation, Core Graphics, Pop, Auto-layout, etc…]
2. Responsible for interacting with service team and integrating web services to surface the data to UI layer.  [AFNetworking, JSON, Model Mapping, REST, Async/Sync, GCD, NSOperation(Queue)]
3. Resolved client side data storage issues, maintained and measured the stability of local DB, and proposed new solutions to improve the efficiency of local DB. [CoreData, App Share Group, FS, Mongenerator, etc…]
4. Investigated and Researched on “TodayExtension” and implemented Ancestry’s “History of Today” when apple released iOS 8. [CoreData, App Share Group, Instrucments, etc…]
5. Periodically distributed pre-released app and production app. [Jenkins (internal test), TestFlight, etc…]

### iOS Developer at Ancestry.com (FindAGrave) @ Ancestry
Jan 2013 – Jan 2015 | San Francisco Bay Area
- Developed and Distributed Find A Grave iOS App which is Top Family History Search app in app store, and helped rebuild the backend services with Node.js.
1. Sat up the CocoaPods libraries and built up the front-end structures and back-end data schema. [CocoaPods, CoreData]
2. Implemented hamburger menu, headstone-searching map, geo location auto-completion form, camera, picture uploading queue and other UI parts. [UIKit, MapKit, REST, AVFoundation, Transitioning Animation, CoreData]
3. Distributed the app internally and externally. [Xbots, TestFlight, iTunesConnect]
4. Assisted with the old perl web services to get the app out quickly. [Perl, Vagrant]
5. Helped rebuilt the service layer with Node.js, replacing the old perl stack, and pushed through company dev GO pipeline. [Node.js, Express, Async, Mysql, Grunt and other npm modules]

### iOS Developer at Kuapay (Kuapay Client) @ Kuapay, Inc
Jan 2013 – Jan 2013 | 201 Wilshire Blvd, Santa Monica
1. Implemented the onboarding screen using a paged scroll view with offset observer responsible for subtle positioning of UI elements. [UIKit]
2. Utilized paypal credit card reader to recognize credit card information from camera and used QR code scanner to read the order GUID that is the key to retrieve the bill information. [PayPal iOS SDK, BarcodeScanner, REST]
3. Completed the payment detail page with collection view and any other necessary customized UI elements, and also persisted the payment history data locally. [UIKit, CoreData, Local Archive]
4. Maintained and fixed bugs in apps including Kuapay, KPay, CNB, and Copec and controlled a two-week periodical production release.
5. Drafted the design of KuaShout app and developed KuaShout to prepare for a new marketing plan. Solved the problem of selection a map area with arbitrary drawing using touch events and core graphics. [MapKit, UIKit, CoreGraphics, REST]

### Web Developer (Intern) @ Los Angeles County Metropolitan Transportation Authority
Jan 2012 – Jan 2013
1. Upgraded the Lobbyist Registration System to be compatible with new windows server [ASP.NET, Javascript, JQuery, JQuery UI]
2. Utilized Crystal Report to design report templates which are used conveniently for generating electrical company reports [Crystal Report, Oracle Database]
3. Presented rich raw statistic in web page within an organized way [JQuery, jqgrid, Ajax, Goolgle Chart tool]

### Software Engineer (intern) @ Jufine Inc. China
Jan 2012 – Jan 2012 | Yangpu District, Shanghai, China
1. Researched on and designed recommended strategy algorithm to improve the efficiency and performance of recommendation system [Algorithm]
2. Implemented the recommendation service for Jufine online shopping mall to improve the customer’s experience [ASP.NET, MSSQL, Algorithm]


## Education
### Master's degree in Computer Science
University of Southern California

### Bachelor's degree in Computer Science
Wuhan University


## Contact & Social
- LinkedIn: https://linkedin.com/in/shengzhe-chen-309aa664
- Portfolio: http://www.schenbee.com

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