Tinder Backend Engineer Interview Questions
The questions to prepare for a Tinder Backend Engineer interview. Questions from real interview reports rank first. Updated daily.
Find the one extra integer in two nearly identical Tinder Discovery lists using XOR in linear time and constant space.
TinderFind the one extra integer between two unsorted Tinder candidate arrays using XOR in linear time and constant space.
TinderReturn the k largest Tinder match scores from an unsorted array using a min-heap in O(n log k) time.
TinderDesign consistency guarantees across distributed ML data, feature, training, and serving components.
TinderAssesses system design understanding for large-scale information retrieval pipelines.
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Explain normalization for data integrity and when denormalization is useful for faster reporting and simpler analytical queries.
TinderExplain the ACID properties of database transactions and their importance.
TinderIdentify each Tinder user's first non-null message using ROW_NUMBER and deterministic timestamp ordering.
TinderCompute daily active users and a 7-day rolling average using a CTE, distinct counts, and window functions.
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Spotify
Meta ITTask Tinder's Data Science team wants to measure average user engagement during the most recently completed calendar month. Write a PostgreSQL query that c...
TinderDesign a real-time pipeline for sensor events that transforms data and feeds a UI with low latency.
Tinder