ByteDance Backend Engineer Interview Questions
The questions to prepare for a ByteDance Backend Engineer interview. Questions from real interview reports rank first. Updated daily.
Explain how to diagnose and optimize a slow SQL query using execution plans, indexing, and simpler query patterns.
ByteDanceTests Redis internals knowledge and ability to reason about performance under load.
ByteDanceFind each user's longest consecutive login streak by deduplicating login dates and identifying gaps between days.
Didi ChuxingByteDanceAudit claims for missing members, invalid amounts, and payment totals that exceed billed amounts.
Healthfirst (New York)BBritvic Soft Drinks
AttentiveCombine creator, video, and view data to calculate performance metrics and rank creators.
ByteDanceAssesses understanding of concurrency concepts and practical multithreading behavior.
ByteDanceFind the longest palindromic substring by expanding around every possible center.
ByteDanceAssesses breadth of backend fundamentals and ability to connect decisions to system behavior.
ByteDanceTests your ability to design for scalability and reliability using load balancing strategies.
ByteDanceAssesses transport protocol knowledge and correct selection for real use cases.
ByteDanceTests understanding of distributed consistency patterns and cache invalidation strategies.
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