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Novotech Data Engineer Interview Questions

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

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1
SQL & Data ManipulationStart here. 1 question + 3 drills · ~38 min
Analyzing Missing Values in Clinical DataMedium

Explain how to profile, quantify, and handle missing values in joined clinical datasets using SQL.

Data WranglingCase WhenAggregationsNNovotech
Handling Missing DataEasy
Practice
Practice drill

Replace missing sales fields with defined defaults and return a consistently ordered dataset.

missing valuesdata cleaningnull handlingUniversity of MinnesotaThe Home DepotNationwide
Average Reels Watch Time with NULLsEasy
Practice
Practice drill

Compute average Instagram Reels watch time by surface, excluding NULL values with AVG and GROUP BY.

Data WranglingCase WhenAggregationsMeta
SQL to Flag Partner Count MismatchesMedium
Practice
Practice drill

Compare partner-reported and internal daily counts, then flag discrepancies and show the prior comparison status.

JoinsData WranglingCase WhenGoogle
2
Behavioral & Leadership2 questions · ~16 min
Data Quality Management ExperienceMedium

Assesses ownership, prioritization, and stakeholder influence in maintaining accurate, complete, and reliable data.

Data Qualityanalytical skillsexperienceNNovotech
Maintainable, Well-Documented CodeMedium

Tests ownership, documentation habits, and how effectively a candidate makes backend code understandable for teammates.

best practicescode maintainabilityaccountabilityNNovotech

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