Dataford
Top 23
Prep plan
Updated weekly · Last refresh Sep 20

Safran Data Scientist Interview Questions

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

23questions
~3htotal time
Track your progressSign up free to work through all 23 questions and resume where you left off.
Start practicing free →
1
Machine LearningStart here. 4 questions · ~34 min
Random Forest vs Gradient BoostingMedium

Compare Random Forest and Gradient Boosting, then choose the right ensemble for a supervised learning task.

Ensemble MethodsBias-Variance TradeoffSupervised LearningSafran
More Machine Learning questions with a free account
2
Behavioral & Leadership11 questions · ~94 min
More Behavioral & Leadership questions with a free account
3
More topics8 questions · ~68 min
Diagnose KPI Drop After ReleaseMedium

Diagnose a post-release KPI drop by separating instrumentation issues from real behavior changes and tracing the problem through the metric hierarchy.

KPILeading IndicatorsDiagnosisSafran
Validating Linear Regression AssumptionsMedium

Tests your statistical foundations and diagnostic practices for regression validity.

linear regressionvalidationSafran
Precision and Recall DefinitionsMedium

Tests your ability to define and differentiate key classification metrics.

PrecisionRecallSafran
7-Day Rolling User Average in SQLMedium
Practice

Calculate each user's seven-day rolling average of daily events using PostgreSQL window functions.

Window FunctionsDate FunctionsData ManipulationSafran
A/B Test for Analyst ProductivityHard

Tests experimental design, metric selection, and risk controls for reliable conclusions.

experiment designGuardrail Metricsprimary metricsSafran
Defining Product Metrics for AnalyticsMedium

Tests product thinking and metric design to align analytics outcomes with user value.

MetricsUser NeedsProduct VisionSafran
End-to-End Predictive Maintenance MLHard

Tests system design for production ML, including lifecycle management and operational risk.

monitoringFeature StoreModel ServingSafran
More 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
Hands-on SQL practiceWrite and run real queries in the editor. 2 drills · ~20 min
Rolling Average Energy SQLMedium
Practice
Practice drill

Calculate each building's daily energy use and seven-day rolling average with date-based windowing.

Window FunctionsDate FunctionsData ManipulationTrane Technologies
SQL Rolling Average by CityMedium
Practice
Practice drill

Calculate each city's 7-day rolling average of completed daily orders using PostgreSQL window functions.

Window FunctionsDate FunctionsData ManipulationZomato
The finish line: interview-readyComplete all 23 questions plus 2 hands-on drills to finish this plan.