Top 22
Prep plan
Updated weekly · Last refresh Aug 30

Sberbank Data Scientist Interview Questions

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

22questions
~3htotal time
Track your progressSign up free to work through all 22 questions and resume where you left off.
Start practicing free →
1
SQL & Data ManipulationStart here. 4 questions + 1 drill · ~46 min
SQL Joins, CTEs, and IntervalsHard
Practice

Deduplicate Sberbank Online events and merge chained customer activity intervals using CTEs and window functions.

JoinssqlSberbank
7-Day Rolling Active UsersMedium
Practice

Compute daily active users and a 7-day rolling average using a CTE, distinct counts, and window functions.

Window FunctionsDate FunctionsRunning TotalsSberbank
Find Duplicate Records in SQLEasy
Practice
Practice drill

Use GROUP BY and HAVING to find duplicate patient records in a Johns Hopkins Medicine dataset.

Data WranglingGroup ByHavingEmersonAmazon DSPCareDx
More SQL & Data Manipulation questions with a free account
2
A/B Testing & Experimentation5 questions · ~45 min
Common Pitfalls in Experiment ResultsHard

Identify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.

PeekingNovelty EffectSample Ratio MismatchSberbank
More A/B Testing & Experimentation 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
Machine Learning6 questions · ~55 min
Handling Imbalanced Fraud LabelsMedium

Explain how to train and evaluate models on highly imbalanced fraud data without relying on misleading accuracy.

Cross-ValidationFeature EngineeringSupervised LearningSberbank
More Machine Learning questions with a free account
4
Behavioral & Leadership3 questions · ~27 min
More Behavioral & Leadership questions with a free account
5
More topics4 questions · ~36 min
Investigate User Engagement DeclineMedium

Investigate a 15% engagement decline by decomposing the metric, isolating root causes, and proposing actions.

RetentionDiagnosisEngagement MetricsSberbank
Solve a Trig EquationMedium

Assesses mathematical reasoning and correctness for equation solving.

Sberbank
Random Forest MetricsMedium

Evaluates your ability to select and justify model evaluation metrics for classification.

MetricsSberbank
Text Classification ApproachMedium

Assesses end-to-end thinking for NLP classification tasks and data preparation choices.

experienceText ClassificationSberbank
The finish line: interview-readyComplete all 22 questions plus 1 hands-on drill to finish this plan.