BCG Data Engineer Interview Questions
The questions to prepare for a BCG Data Engineer interview. Questions from real interview reports rank first. Updated weekly.
Find two indices in a sorted array whose values equal a target using the two-pointer technique in O(n) time.
Assesses understanding of translating SQL logic into PySpark DataFrame operations.
Evaluates performance-tuning skills for PySpark workloads.
Tests ability to connect core coding fundamentals with SQL and PySpark data manipulation.
Evaluates data preprocessing skills for handling missing values in PySpark.
Tests understanding of relational vs non-relational data models and when to use each.
Calculate each active RpmGlobal Enterprise Planning user's 30-day rolling average of daily activity.
Tavant
Rpmglobal
Two Six TechnologiesAnalyze weekly service delivery performance by team using joins, a CTE, date aggregation, and KPI calculations.
Deloitte
ReputationUse GROUP BY and HAVING to exclude students missing marks in two or more subjects.
PayPalTests secure networking design for accessing private AWS data stores.
Evaluates practical data cleaning and exploratory analysis skills in PySpark.
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