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Prep plan
Updated weekly · Last refresh Aug 30

Lam Research Software Engineer Interview Questions

The questions to prepare for a Lam Research Software Engineer interview. Questions from real interview reports rank first. Updated weekly.

50questions
~7htotal time
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1
CodingStart here. 18 questions · ~157 min
Anagram Check CodingEasy
Practice

Determine whether two DELFI identifier strings are anagrams using character frequency counting.

Hash Tablesfrequency countStringsLam Research
Convert Case in StringsEasy
Practice

Toggle ASCII letters between uppercase and lowercase while preserving digits, spaces, and symbols.

string manipulationLam Research
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2
Execution4 questions · ~35 min
Your Strengths and WeaknessesEasy
Recently asked

Tests self-awareness and how you position yourself for success in an Account Executive role at Aqr.

Trade-offsSuccess CriteriaRisk AssessmentLam Research
Projects in DepthEasy

Tests your ability to explain technical work clearly and highlight measurable results.

Trade-offsSuccess CriteriaScope ManagementLam Research
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3
Security & Infrastructure16 questions · ~140 min
Earth Pin in 3-Pin SocketMedium

Assesses your practical understanding of electrical safety and connector design.

safetyLam Research
Iron Carbon Phase DiagramHard

Evaluates your materials knowledge and ability to communicate phase behavior.

Lam Research
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4
System Design6 questions · ~52 min
Safe Design for MaintenanceMedium

Evaluates design-for-maintainability thinking and practical engineering judgment.

Lam Research
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5
Behavioral & Leadership5 questions · ~44 min
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6
More topics1 question · ~9 min
DOE and Parameter EffectsMedium

Evaluates your experimental design thinking and understanding of process interactions.

process improvementLam Research
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