Pubmatic Data Engineer Interview Questions
The questions to prepare for a Pubmatic Data Engineer interview. Questions from real interview reports rank first. Updated daily.
Use prefix sums and a hash table to find the longest continuous subarray with a given sum in O(n) time.
PubmaticAssesses foundational knowledge across MySQL, OOP, and Java for data engineering work.
PubmaticEvaluates coding ability for file parsing and counting word frequencies under interview constraints.
PubmaticAssesses SQL skills for deduplication and joining large datasets without relying on primary keys.
PubmaticUse PostgreSQL CTEs and ROW_NUMBER to return the top three products by monthly revenue within each category.
PubmaticRank publishers by daily revenue and calculate each publisher's cumulative revenue across days.
PubmaticFind the second highest salary in each department without using aggregate functions.
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Tests robustness of pipeline design for real-world data variability and change management.
PubmaticTests Kafka producer configuration tradeoffs between reliability and latency for streaming pipelines.
PubmaticTests Java string handling knowledge and performance-aware memory optimization for large-scale data processing.
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