Zynga Data Engineer Interview Questions
The questions to prepare for a Zynga Data Engineer interview. Questions from real interview reports rank first. Updated weekly.
Return the values that appear more than once in an array using a hash set in linear time.
ZyngaTests ability to analyze algorithm efficiency and communicate tradeoffs.
ZyngaTests your problem-solving approach for data structures and algorithms under interview constraints.
ZyngaApproach for validating ETL data with schema, business rule, and pipeline-level checks.
ZyngaApproach for handling missing values in a pipeline with data quality checks and repeatable transformations.
ZyngaExplain how structured and unstructured data differ, and why that matters for pipeline design and downstream processing.
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Tests ability to diagnose and improve SQL performance using practical techniques.
ZyngaTests practical understanding of SQL join semantics and choosing the right join for the data problem.
ZyngaFind the second highest salary in each department without using aggregate functions.
Credit Genie
Devoteam
Cisco Restaurant + BarAggregate monthly sales by product category and use LAG to calculate month-over-month changes.
Total Wine & More
Inc.
Benjamin MooreCompute daily agent call KPIs and SLA using joins, aggregations, and window ranking in a contact center model.
ADP