MobileDatabasesAround since 2005
Core Data
Also written as SwiftData
Apple's framework for storing and managing structured local data on iOS — powerful, long-established, and widely considered awkward to learn.
Think of it like
A filing system with strong opinions: excellent once you follow them, painful when you don't.
Junior or senior?
Long-standing iOS knowledge.
Senior sounds like
Talks about threading and contexts, which is where Core Data bugs concentrate.
Ask them
“How did you handle Core Data across threads?”