Top 29
Prep plan
Updated weekly · Last refresh Oct 17

IDT Software Engineer Interview Questions

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

29questions
~5htotal time
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1
CodingStart here. 11 questions · ~111 min
Balanced Brackets CheckEasy
Practice

Use a stack to determine whether an IDT message string contains properly nested and matched brackets.

RecursionStackStringsIDT
Iterative and Recursive FibonacciEasy
Practice

Compute the nth Fibonacci number with selectable iterative and recursive implementations, then compare their performance.

RecursionIDT
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2
Execution3 questions · ~30 min
Disagreeing on Safety-Critical TradeoffsEasy

Describe how you handled a disagreement with an engineer or safety expert when the decision involved delivery pressure and safety tradeoffs.

Trade-offsRisk AssessmentScope ManagementIDT
Production Bug PostmortemEasy

Tests incident response, debugging approach, and learning and prevention actions.

Rollback PlanSuccess CriteriaRisk AssessmentIDT
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3
Security & Infrastructure3 questions · ~30 min
REST VerbsEasy

Evaluates baseline knowledge of RESTful API conventions.

restIDT
Linux and Networking BasicsMedium

Evaluates breadth of systems knowledge relevant to production software.

NetworkingdatabaseIDT
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4
Behavioral & Leadership9 questions · ~91 min
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5
More topics3 questions · ~30 min
Cross Join and Recursive FunctionsMedium

Evaluates SQL and programming fundamentals for everyday engineering tasks.

functionssqlIDT
Go Scheduler OperationMedium

Tests knowledge of Go runtime scheduling and execution model.

concurrencyIDT
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 29 questions plus 3 hands-on drills to finish this plan.