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Llc. Software Engineer Interview Questions

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

50questions
~9htotal time
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1
CodingStart here. 20 questions · ~219 min
Breadth-First Search ImplementationEasy
Practice
Recently asked

Return the breadth-first traversal order of a Unity scene dependency graph using a queue and visited set.

QueueArraysGraphsLlc.
Depth-First Search ImplementationEasy
Practice
Recently asked

Traverse a graph or tree with DFS and return the visit order from a given start node.

RecursionTreesGraphsLlc.
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2
System Design5 questions · ~55 min
Design Cold Start RecommendationsHard
Recently asked

Design a recommendation system strategy for new users and new items when interaction history is sparse or missing.

Cold StartFeature StoreRecommendation SystemsLlc.
Design a Personalized Recommendation RankerHard
Recently asked

Design a personalized recommendation system that turns user preferences into ranked suggestions with retrieval, ranking, and feedback loops.

RetrievalTwo-Tower ModelsRecommendation SystemsLlc.
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3
Execution3 questions · ~33 min
Recover a Slipping ProjectMedium
Recently asked

Explain how you would diagnose and recover a project that is falling behind schedule without losing stakeholder trust.

Success CriteriaRoadmappingRisk AssessmentLlc.
Design a Feature From ScratchMedium
Recently asked

Tests end-to-end feature design thinking, tradeoffs, and execution planning.

Trade-offsRoadmappingScope ManagementLlc.
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4
Behavioral & Leadership20 questions · ~219 min
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5
More topics2 questions · ~22 min
Security: VLAN and Its UseMedium
Recently asked

Assesses your understanding of network segmentation and basic infrastructure security concepts.

vlanNetworkingLlc.
SQL: Joins, Subqueries, and Prime ProgramsMedium
Recently asked

Evaluates SQL fundamentals and your problem-solving approach for data queries.

SubqueriesJoinssqlLlc.
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
SQL and Data ManipulationMedium
Practice
Practice drill

Aggregate qualifying customer orders and classify customers by total completed spend.

JoinsData ManipulationsqlImpetusFlywireLlc.
Running Average With Window FunctionsEasy
Practice
Practice drill

Calculate each Hinge user's 30-day rolling average of daily interactions using CTEs and window functions.

Window FunctionsData AnalysissqlHingeCCatalyst Operations & AnalyticsAAlight Solutions
Use Window FunctionsMedium
Practice
Practice drill

Demonstrate window functions by ranking active employees by salary within each department.

Window FunctionsData ManipulationRankingJohnson & JohnsonCRIFRegions
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.