Justin Chang

Editorial Spotlight

Justin Chang

Sr. AI/ML Engineer — 9 yrs product & ML experience

San Francisco, CA

Going Solo chapter

Going Solo

2023—Now
Amor Software LLC artwork

Amor Software LLC

Founder & CEO

After years in the machine, Chang steps out on his own. The result? A prolific burst of creativity — computer vision systems, AI-powered platforms, and a willingness to ship fast and break new ground. This is what happens when you stop waiting for permission.

14 tracks · View Album →

Built end-to-end SaaS that runs YOLO-based human & dog action detection on user RTSP streams

The Big Tech Years chapter

The Big Tech Years

2019—2023

4 years. 3 teams. Promoted from E4 → E5. Transitioned SWE → ML Eng.

Four years inside the walls of Meta. Three teams. A promotion from E4 to E5. A pivot from software engineering to machine learning. This is the crucible where raw talent became refined expertise — and where the stakes were measured in billions of ad impressions.

Meta artwork
Meta artwork
Meta artwork

Improved model action rate by 15% and doubled enforcement for critical harm categories

First Notes chapter

First Notes

2017—2019

Before the big tech polish, there was the startup grind. Two companies. Hundreds of thousands of users. The kind of work where you wear every hat and your code ships the same week you write it. Raw, unfiltered, formative.

Building Connected artwork
Dabbl artwork

Served as lead frontend engineer for ShopRite's Downtime Dollars campaign, serving 200,000+ daily users