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Cendyn Software Engineer Interview Questions

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

20questions
~3htotal time
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1
CodingStart here. 5 questions · ~45 min
Reverse a Linked ListEasy
Practice

Reverse a singly linked list in place using pointer manipulation.

RecursionLinked ListsCendyn
Object-Oriented Programming PrinciplesEasy

Tests understanding of OOP concepts like encapsulation, inheritance, and polymorphism.

RecursionStringsCendyn
Cache Design for Get and PutHard

Tests your ability to design and implement performant data structures like hash maps and eviction policies.

Hash TablesLinked ListsCendyn
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2
Execution3 questions · ~27 min
Estimating Feature Implementation TimeMedium

Tests how you scope work, estimate effort, and manage uncertainty for delivery.

Trade-offsRoadmappingScope ManagementCendyn
Balancing Performance and ScalabilityHard

Tests system design tradeoffs for performance, scalability, and reliability in production.

Trade-offsSuccess CriteriaRisk AssessmentCendyn
Debugging Production IncidentsHard

Tests your incident response process, observability use, and safe remediation.

Rollback PlanOwnershipRisk AssessmentCendyn

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3
Behavioral & Leadership10 questions · ~91 min
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4
More topics2 questions · ~18 min
SQL vs NoSQL DifferencesMedium

Tests your understanding of relational vs non-relational data models and tradeoffs.

JoinsData WranglingAggregationsCendyn
Left Join vs Inner JoinEasy

Tests your SQL join understanding and ability to reason about row inclusion and null handling.

JoinsData WranglingCendyn
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Monthly Campaign Performance SummaryEasy
Practice
Practice drill

Aggregate January 2024 campaign data by channel using GROUP BY, filtering, and ordering by total clicks.

JoinsData WranglingAggregationsDNVEversanaDiscord
Running Totals of Marketing SpendEasy
Practice
Practice drill

Calculate daily and cumulative Cendyn eInsight marketing spend using a join, aggregation, and window function.

Window FunctionsDate FunctionsRunning TotalsCendyn
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 20 questions plus 3 hands-on drills to finish this plan.