GeneralTable-stakes
Design Pattern
A reusable, well-known solution to a common software design problem (e.g. Singleton, Observer, Factory).
Think of it like
Like a standard furniture-assembly technique that woodworkers reuse across many different projects, because it reliably solves a common problem.
Junior or senior?
Junior sounds like
Names Singleton/Factory/Observer from a textbook.
Senior sounds like
Explains why a specific pattern actually fit a specific problem they had.
Ask them
“Tell me about a design pattern you used recently. What problem did it actually solve for you?”