Top 36

Prep plan

Updated weekly · Last refresh Oct 17

Quantiphi Data Engineer Interview Questions

The questions to prepare for a Quantiphi Data Engineer interview. Questions from real interview reports rank first. Updated daily.

36questions

~5htotal time

Track your progressSign up free to work through all 36 questions and resume where you left off.

Start practicing free →

SQL & Data ManipulationStart here. 10 questions + 2 drills · ~108 min

SQL Query for Max SalaryEasy

Practice

Use PostgreSQL MAX aggregation to identify the highest employee salary for Quantiphi workforce reporting.

sql

Quantiphi

Star vs Snowflake for Sales AnalyticsMedium

Compare star and snowflake schemas for warehouse design, including trade-offs in normalization, query simplicity, and analytics performance.

JoinsData WranglingGroup By

Quantiphi

GCP SQL and Python WorkMedium

Evaluates hands-on experience with GCP tools for data engineering.

sqlpython

Quantiphi

Group By vs Order ByEasy

Practice

Practice drill

Demonstrate how grouping produces summaries while sorting controls the order of query results.

Group Bysqldatabase querying

SBS

Rakuten

Quantiphi

SQL Joins ExplanationMedium

Practice

Practice drill

Use SQL joins to report employees and active projects for every department, including departments with no matching records.

null handlingJoinssql

Quantiphi

More SQL & Data Manipulation questions with a free account

Coding3 questions · ~26 min

Vowel Counting Coding TaskEasy

Practice

Count English vowels in a string using a case-insensitive linear scan.

python

Quantiphi

SQL Queries and OOP BasicsMedium

Assesses practical coding fundamentals alongside SQL for building maintainable solutions.

Programmingsqloop

Quantiphi

Python Memory Allocation and CodingMedium

Evaluates Python fundamentals and coding problem-solving ability.

python

Quantiphi

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan

Pipelines13 questions · ~114 min

Wide Transformations ExampleMedium

Tests understanding of Spark transformation types and performance implications.

Quantiphi

Airflow DAGsMedium

Assesses understanding of Airflow concepts for orchestrating data workflows.

Quantiphi

More Pipelines questions with a free account

Behavioral & Leadership10 questions · ~88 min

More Behavioral & Leadership questions with a free account

The finish line: interview-readyComplete all 36 questions plus 2 hands-on drills to finish this plan.