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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 weekly.

50questions
~9htotal time
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1
CodingStart here. 19 questions · ~202 min
Breadth-First Search ImplementationEasy
Practice

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

QueueArraysGraphsLlc.
Reverse a Linked ListEasy
Practice

Reverse a singly linked list in place using pointer manipulation.

RecursionLinked ListsLlc.
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2
System Design5 questions · ~53 min
Design a Personalized Recommendation RankerHard

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

RetrievalTwo-Tower ModelsRecommendation SystemsLlc.
Design Cold Start RecommendationsHard

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

Cold StartFeature StoreRecommendation SystemsLlc.
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3
Execution3 questions · ~32 min
Recover a Slipping ProjectMedium

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

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

Trade-offsRoadmappingScope ManagementLlc.
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4
Behavioral & Leadership21 questions · ~223 min
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5
More topics2 questions · ~21 min
Security: VLAN and Its UseMedium

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

vlanNetworkingLlc.
SQL: Joins, Subqueries, and Prime ProgramsMedium

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 Queries for RankingMedium
Practice
Practice drill

Rank active HSBC employees by division and return every employee tied for the highest or second-highest salary.

javasqlHsbc
Second Highest Trader SalaryEasy
Practice
Practice drill

Find the second highest distinct salary from a single table using basic PostgreSQL ordering and limiting.

SubqueriesRankingSortingeClinicalWorksInformaticaSpectraforce Technologies
SQL Sort QueryEasy
Practice
Practice drill

Sort Thales Ground Master radar readings by signal strength in ascending order, placing unknown values last.

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