End-to-end flows
The UI says saved. The server disagrees.Make a task’s completed checkbox update instantly when clicked.
Full-stack Engineer
All roles
YOUR PRACTICE PATH
Full-stack Engineer
Connect the pieces. Reason about the entire user journey.
3 scenarios to explore
Contracts
Your API deploy breaks yesterday’s browser tab.Change an API response field from a string to a structured object.
Full-stack Engineer
Security
The cookie is secure. Is the action safe?Your web app uses a session cookie to authenticate requests that change account settings.
Full-stack Engineer