How Facebook manages cross-team projects with Stellar

Facebook operates one of the largest social platforms in the world, built by thousands of engineers working across deeply interdependent teams. At that scale, the hardest problem is often not the work itself but coordinating it.

Cross-team initiatives touched many groups at once, and keeping everyone aligned consumed a surprising amount of time.

Why Facebook needed to reduce coordination overhead

Large-scale collaboration exposed clear costs:

• Dependencies buried across many separate trackers
• Status meetings held just to reconcile competing views
• Slow decisions when ownership was unclear

At this size, small inefficiencies multiply into real delays.

Stellar gave our teams one connected view of dependencies. We spend far less time coordinating and more time shipping.

Less overhead, more shipping

By connecting cross-team work in Stellar, Facebook made dependencies and ownership visible in one place. Coordination overhead fell sharply and teams shipped interdependent work with far less friction.