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Updated weekly · Last refresh Sep 21
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Dematic Software Engineer Interview Questions

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

12questions
~2htotal time
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1
Technical FundamentalsStart here. 4 questions · ~32 min
Deadlock in C++ and PreventionHard

Evaluates concurrency knowledge and deadlock avoidance strategies.

c++deadlockconcurrencyDDematic
Polymorphism in Coding ProjectsMedium

Tests grasp of polymorphism and practical application in software projects.

Codingobject-oriented programmingDDematic
Singleton Pattern and When to Use ItMedium

Assesses understanding of design patterns and appropriate usage.

software designdesign patternsDDematic
Call by Reference vs Value in CMedium

Assesses understanding of parameter passing semantics in C.

memory managementDDematic
2
Behavioral & Leadership6 questions · ~48 min
Handling Team ConflictsEasy

Tests conflict resolution, communication, accountability, and collaborative problem solving within a software engineering team.

Conflict Resolutionbehavioral interviewteamworkDDematic
Five-Year Growth PlanEasy

Tests career direction, self-awareness, and whether the candidate has a concrete, ownership-driven plan for growth.

self assessmentcareer growthmotivationDDematic
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3
More topics2 questions · ~16 min
Clustered vs Non-Clustered IndexesMedium

Explain how clustered and non-clustered indexes differ in storage, lookup behavior, and query performance.

JoinsData WranglingDDematic
Conveyor Control System DesignHard

Evaluates control systems design, fault isolation, and troubleshooting without explicit alarms.

AutomationTroubleshootingDDematic

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Optimize a Slow SQL QueryHard
Practice
Practice drill

Rewrite a slow PostgreSQL loan payment query to reduce scanned rows while preserving the required aggregated results.

database optimizationJoinsData WranglingAmeripriseEEltro Cyberchrome PrivateEnergyHub
SQL vs NoSQL DifferencesEasy
Practice
Practice drill

Query a comparison table to present the key structural and operational differences between SQL and NoSQL databases.

nosqlJoinsData WranglingCogitoRamsey SolutionsIInnovaccer
Top Customers by Net SalesMedium
Practice
Practice drill

Compute top 10 customers by net sales using joins and aggregations, ordering by revenue with deterministic tie-breaking.

SubqueriesJoinsData WranglingGain DigitalTCSZest AI
The finish line: interview-readyComplete all 12 questions plus 3 hands-on drills to finish this plan.