You need to design a backend service that must handle very h... | Interview Question
AdvancedTECHNICALTEXT
You need to design a backend service that must handle very high write and read throughput while providing strong consistency. Describe your architecture choices (storage, replication, indexing, caching), how you would ensure consistency and durability, and the trade-offs you would consider.
Software Engineer
General
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.