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Licious Interview Questions

The questions to prepare for Licious interviews, across all roles. Questions from real interview reports rank first. Updated weekly.

50questions
~8htotal time
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1
CodingStart here. 7 questions · ~68 min
Implement LRU CacheEasy
Practice

Problem Design a data structure that implements an LRU (Least Recently Used) cache. The cache should support the following operations: - get(key): Retrieve...

Hash TablesQueueLinked ListsLicious
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2
Metrics7 questions · ~68 min
Define Success for a ProjectEasy

Define what success means for a project using clear KPIs, a north star, and supporting metrics.

KPIsSuccess CriteriaDiagnosisLicious
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3
Product Sense6 questions · ~58 min
Designing for Accessibility at ScaleMedium

Approach for building accessibility into product design through user needs, research, use cases, and measurable outcomes.

User NeedsPain PointsUse CasesLicious
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4
Execution7 questions · ~68 min
Handling a Critical Production BugEasy

Describe how you handled discovery, escalation, triage, and containment of a critical bug under release pressure.

Trade-offsSuccess CriteriaRisk AssessmentLicious
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5
System Design6 questions · ~58 min
Design a URL Shortening ServiceHard

Design a URL shortening service that routes, ranks, and monitors links at scale.

Feature StoreModel ServingLicious
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6
Strategy3 questions · ~29 min
Prioritizing Operational Improvement BetsMedium

Framework for prioritizing operational improvements under tight resource constraints.

Strategic PlanningPrioritizationResource AllocationLicious
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7
More topics14 questions · ~136 min
Optimizing Slow SQL QueriesMedium

Tests query tuning skills, including indexing, execution plans, and performance diagnostics.

performanceLicious
Real-Time Chat ArchitectureHard

Tests your system design skills for low-latency messaging, scalability, and reliability.

InfrastructureStream ProcessingOrchestrationLicious
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Identify Funnel Bottlenecks in OnboardingHard
Practice
Practice drill

Use joins, CTEs, and aggregations to find the weakest step in an onboarding funnel and estimate lost conversions.

Funnel AnalysissqlDiagnosisAtlassianRevolut
Daily Session Funnel Conversion RatesHard
Practice
Practice drill

Calculate daily session-level funnel conversion rates using CTEs, CASE WHEN, and date functions.

User NeedsData WranglingAggregations
Top Models Per Asset ClassEasy
Practice
Practice drill

Rank Balyasny research models by average return within each asset class using DENSE_RANK and aggregation.

performancesqlBalyasny Asset Management
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.