# Mark Peng

> Eng @ TinyFish

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

CTO of TinyFish, where we seek to enable anyone, anywhere to focus on more of what they love.

Experienced as a senior technical leader, architect, organizational leader, and public speaker in product and infrastructure roles across Facebook News Feed, Messenger, and Instagram.

I've contributed to or invented a number of technologies that have scaled alongside Meta's growth in mobile, some of which continue to power the core products.  In addition, I've led technical programs across large organizations, and have hired, built, and led teams as a senior manager across various core product organizations in Facebook and Messenger.

## Work Experience
### Eng @ @ TinyFish
Jan 2024 – Present | Palo Alto, California, United States

### Building @ Stealth
Jan 2024 – Jan 2024

### Senior Engineering Manager, Senior Staff Software Engineer @ Meta
Jan 2012 – Jan 2024 | Menlo Park
A flexible technical leader who has contributed to and invented scalable technologies that pushed forward the capabilities of mobile, grew and led multiple core product teams as an organizational lead, was a speaker at F8 and other conferences, and led large technical programs across core product organizations.

* Foundational contributor of the modern Facebook Android system and UI infrastructure
* Inventor of Android News Feed Platform, enabling multiple concurrent product organizations to develop upon the News Feed ecosystem
* Inventor of Keyframes, currently powering animations across Meta mobile apps
* First engineer of Reactions, F8 speaker for Reactions
* Led News Feed FBLite, Emerging Markets
* Led the Facebook News Feed, Notifications, and Feedback Performance, Reliability, and Efficiency overhaul
* Rebuilt and led the core Messenger product teams during a full stack app rewrite
* Led the Better Engineering and Quality programs across the FAST organization (Facebook News Feed, Stories, Notifications, Composer, Feedback, and more)
* Led multiple Meta Enterprise projects for internal resource management in 2022 and 2023.

In addition, I've worked on Facebook Home, Instagram, and Enterprise Recruiting and People tools.

### Software Development Engineer Intern @ Facebook
Jan 2011 – Jan 2011 | Palo Alto, California
Android Team

### Software Development Engineer Intern @ Amazon.com
Jan 2011 – Jan 2011
Digital/Subscriptions

### Research Assistant @ Laboratory of Advanced Polymers and Optimized Materials
Jan 2007 – Jan 2007


## Education
### BS in Electrical Engineering and Computer Science
University of California, Berkeley


## Contact & Social
- LinkedIn: https://linkedin.com/in/mark-peng

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Source: https://flows.cv/markpeng
JSON Resume: https://flows.cv/markpeng/resume.json
Last updated: 2026-04-10