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Annapurna Labs (U.S.) Software Engineer Interview Questions

The questions to prepare for a Annapurna Labs (U.S.) Software Engineer interview. Questions from real interview reports rank first. Updated weekly.

48questions
~7htotal time
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1
CodingStart here. 22 questions · ~195 min
LRU Cache From ScratchEasy
Practice

Implement an O(1) LRU cache using a hash map and doubly linked list for an AWS Inferentia2 inference path.

Hash TablesLinked ListsHeapAnnapurna Labs (U.S.)
Reverse Linked List In-PlaceEasy
Practice

Reverse a singly linked list in place by rewiring next pointers in one pass.

Linked ListsAlgorithmsAnnapurna Labs (U.S.)
Thread-Safe Queue Without STLHard

Tests concurrency correctness, synchronization design, and C++ low-level implementation skills.

QueueLinked ListsconcurrencyAnnapurna Labs (U.S.)
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2
Execution22 questions · ~195 min
Learning New Tech Under DeadlineEasy

Describe how you learned an unfamiliar technology quickly enough to deliver a high-stakes engineering project without missing the deadline.

Launch PlanningRisk AssessmentScope ManagementAnnapurna Labs (U.S.)
Disagreeing on Technical DirectionEasy

Explain how you handled a disagreement over technical direction while balancing delivery, relationships, and business outcomes.

Trade-offsRoadmappingRisk AssessmentAnnapurna Labs (U.S.)
Disagreeing on Safety-Critical TradeoffsEasy

Describe how you handled a disagreement with an engineer or safety expert when the decision involved delivery pressure and safety tradeoffs.

Trade-offsRisk AssessmentScope ManagementAnnapurna Labs (U.S.)
Structure a STAR Execution StoryEasy

Explain how to deliver a clear STAR story that highlights your personal ownership and execution impact.

Trade-offsSuccess CriteriaScope ManagementAnnapurna Labs (U.S.)
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3
Behavioral & Leadership4 questions · ~36 min
Solve an Unfamiliar Technical ProblemMedium

Evaluates problem-solving process, learning, and execution when facing ambiguity.

Problem SolvingAnnapurna Labs (U.S.)
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