Pick your challenge
Each challenge teaches a different enterprise pattern through 10 days of realistic stakeholder chaos.
The SaaS Pivot Challenge
Build a multi-tenant SaaS from scratch. Learn the architecture patterns that power Notion, Linear, and every serious SaaS product.
You'll Learn
More Challenges
You'll Learn
The E-commerce Scale Challenge
Build a store that handles carts, inventory race conditions, complex pricing, and checkout flows that don't break under load.
You'll Learn
The Real-time Collaboration Challenge
Build multiplayer features with WebSockets, presence indicators, conflict resolution, and offline-first architecture.
You'll Learn
The Content Platform Challenge
Handle rich text editing, media uploads, search at scale, and content moderation systems for user-generated content.
You'll Learn
The Mobile-First PWA Challenge
Build offline-capable progressive web apps with service workers, app-like navigation, and push notifications.
Not sure where to start?
The free SaaS Pivot Challenge teaches the foundation every other challenge builds on.