FrontendHigh signal
Design System
A documented, shared set of design rules, components, and guidelines (colors, spacing, typography, components) that keeps a product visually and functionally consistent across teams.
Think of it like
Like a restaurant chain's official brand manual — exact colors, fonts, and plating rules — so every location looks and feels like the same restaurant.
Junior or senior?
Junior sounds like
Builds within a design system someone else defined.
Senior sounds like
Has helped define or evolve its actual rules — tokens, guidelines — not just consumed them.
Ask them
“Did you help define or evolve a design system's rules, or mainly build within one someone else set?”