Top 37
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Updated weekly · Last refresh Oct 17

Carbon Lighthouse Software Engineer Interview Questions

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

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1
ExecutionStart here. 8 questions · ~64 min
Design a Production Rollback PlanMedium

Design a rollback plan for a failed production deployment, including triggers, ownership, validation, and safe recovery steps.

Rollback PlanSuccess CriteriaRisk AssessmentCarbon Lighthouse
Design a Scalable ApplicationEasy

Explain how you would design a scalable application, including trade-offs, risks, stakeholder needs, and how you define success.

Trade-offsRisk AssessmentScope ManagementCarbon Lighthouse
Choose Project Management ToolsEasy

Explain which project management tools you use most effectively and why, including how they support execution and stakeholder alignment.

CommunicationRoadmappingScope ManagementCarbon Lighthouse
Greatest Professional AchievementEasy

Tests impact, ownership, and how you deliver results relevant to Akima's mission.

Success CriteriaRoadmappingCarbon Lighthouse
Optimizing Slow ApplicationHard

Assesses performance engineering skills and how you validate improvements in production-like conditions.

Trade-offsRisk AssessmentScope ManagementCarbon Lighthouse
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2
Behavioral & Leadership27 questions · ~216 min
Raising the Bar on Code QualityMedium

Tests ownership and leadership in improving maintainability, testability, and team coding practices in an engineering environment.

code qualityTestingpythonCarbon Lighthouse
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3
More topics2 questions · ~16 min
SQL Analysis of Air Handling DataMedium

Evaluates SQL/data manipulation skills and your ability to validate operational behavior from data.

Data AnalysisperformanceCarbon Lighthouse
Process for Slow App OptimizationHard

Tests your step-by-step approach to diagnosing and improving application performance.

Hash TablesSearchingSortingCarbon Lighthouse

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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 37 questions plus 3 hands-on drills to finish this plan.