Dataford
Dataford
Top 22
Prep plan
Updated weekly · Last refresh Oct 17

Samsung Ads Data Engineer Interview Questions

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

22questions
~4htotal time
Track your progressSign up free to work through all 22 questions and resume where you left off.
Start practicing free →
1
PipelinesStart here. 3 questions · ~29 min
Data Quality in ETL PipelinesEasy
Recently asked

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualitySamsung Ads
SQL, Python, and Spark PipelinesMedium
Recently asked

Assesses practical experience designing and implementing data pipelines with SQL, Python, and Spark.

sqlpythonsparkSamsung Ads
More Pipelines questions with a free account
2
Coding4 questions · ~38 min
Find the Repeated NumberMedium
Recently asked

Tests algorithmic thinking and correctness for a repeated-number problem.

AlgorithmsSamsung Ads
Merge Two Numbers in PythonEasy
Recently asked

Tests basic Python understanding of combining numeric values.

functionsbasicspythonSamsung Ads
More Coding questions with a free account

Sign up to see every question

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

Get my prep plan
3
Technical Fundamentals5 questions · ~48 min
What Is PolymorphismMedium
Recently asked

Explains how one interface supports different implementations through dynamic dispatch, and distinguishes overriding from overloading.

Language Featuresbackgroundtechnical fundamentalsSamsung Ads
OOP Concepts for Reusable ETLMedium
Recently asked

Tests knowledge of OOP principles and their use in maintainable ETL design.

ETLoopFrameworksSamsung Ads
More Technical Fundamentals questions with a free account
4
SQL & Data Manipulation4 questions + 3 drills · ~68 min
User Retention SQL QueryMedium
Recently asked

Tests ability to write correct SQL for retention metrics at scale in Samsung Ads analytics.

RetentionJoinsAggregationsSamsung Ads
Optimize Slow QueryHard
Recently asked

Tests query optimization skills for performance issues common in large-scale Samsung Ads datasets.

Performance TuningSamsung Ads
SQL for Campaign PerformanceMedium
Practice
Practice drill

Write a SQL query to analyze campaign performance by advertiser, including spend, impressions, clicks, CTR, and conversion rate over the last 30 days. Use...

Date FunctionsJoinsperformanceSamsung Ads
SQL Window Functions for Top CampaignsMedium
Practice
Practice drill

Rank Samsung Ads campaigns by daily reach and return the top two campaigns per day, including ties.

Window FunctionsJoinsData ManipulationSamsung Ads
Month-over-Month Active User GrowthMedium
Practice
Practice drill

Calculate monthly active Smart TV users and their month-over-month growth rate for a Samsung Ads region.

Window FunctionsLag/LeadDate FunctionsSamsung Ads
More SQL & Data Manipulation questions with a free account
5
Behavioral & Leadership6 questions · ~57 min
More Behavioral & Leadership questions with a free account
The finish line: interview-readyComplete all 22 questions plus 3 hands-on drills to finish this plan.