The Nexus Transit Authority operates an interdimensional network of portal gates, moving travelers between hubs on tight schedules and tighter margins. Keeping it running takes two different kinds of engineering: a dispatcher smart enough to decide which voyages go through which gates, and an operations console clear enough that a human can trust it at a glance. Pick a challenge below.
Before you start: get your challenge repo at /apply — enter your GitHub username and we'll create a private repo for you with push access already granted. Your submission must live in that repo, not one you create yourself. You only need to complete one of these two challenges — pick whichever plays to your strengths, not both.
Get your challenge repo →New to Git or GitHub? A few good places to start:
Build the dashboard an operator uses to see the network's health at a glance — portal status, gate load, traveler bookings, corridor health — and trust it enough to act on it.
View the frontend challenge → BackendBuild the scheduler that decides which voyages depart through which gates, and when — scored by the Control Tower across a spread of transit scenarios you won't get to see in advance.
View the backend challenge →