How would you design a backend API endpoint for creating a u... | Interview Question
IntermediateTECHNICALTEXT
How would you design a backend API endpoint for creating a user profile, including validation, error handling, and response structure?
Backend Developer
General
Sample Answer
Based on the stated role of Backend Developer, the mid-level experience context of 3 years, and the intermediate screening difficulty with a general focus.
Related Keywords
How would you handle invalid or missing fields?What HTTP status codes would you return for common failure cases?How would you version this endpoint if the schema changes later?
Tips for Answering
Demonstrate depth of technical knowledge
Think aloud — explain your reasoning process before diving into the solution.
Clarify constraints and requirements before answering. Ask clarifying questions.
Discuss trade-offs between approaches. Show you understand real-world engineering.
Mention edge cases, performance considerations, and how you would test your solution.