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Annapurna Labs (U.S.) Interview Questions

The questions to prepare for Annapurna Labs (U.S.) interviews, across all roles. Questions from real interview reports rank first. Updated weekly.

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1
CodingStart here. 22 questions · ~202 min
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.)
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 Bits of IntegerEasy
Practice

Reverse the 32 bits of an unsigned integer using bit manipulation in linear time.

Bit ManipulationMathAnnapurna 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 · ~202 min
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.)
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.)
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3
Behavioral & Leadership6 questions · ~55 min
Leadership Principles Behavioral QuestionsMedium

Evaluates alignment with leadership principles and the clarity of your STAR-style execution story.

soft skillsAnnapurna Labs (U.S.)
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