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Updated weekly · Last refresh Oct 17

Palantir technologies Software Engineer Interview Questions

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

50questions
~9htotal time
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1
CodingStart here. 17 questions · ~192 min
Stack Aggregation With Monthly DiffsMedium
Practice
Recently asked

Maintain stack sum and maximum efficiently while applying monthly push and pop diffs.

aggregationData StructuresefficiencyPalantir technologies
Card Game Round WinnerEasy
Practice
Recently asked

Simulate five card-game rounds, resolve ties, and compute each player's score and overall winners.

logicPalantir technologies
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2
SQL & Data Manipulation5 questions + 2 drills · ~77 min
SQL: Active User QueryMedium
Practice
Recently asked

Find the most active Palantir Foundry user with a date-filtered LEFT JOIN and aggregation.

Data Analysissql queriesPalantir technologies
Rank Top Users From Usage LogsMedium
Recently asked

Assesses data manipulation skills and ability to derive rankings from event logs.

RankingData AnalysisPalantir technologies
SQL-like Data Functions On DemandHard
Practice
Practice drill

Implement a documented PostgreSQL function that summarizes monthly pipeline runs and assigns a health status.

JoinsCTEsAggregationsPalantir technologies
LeetCode SQL and AlgorithmsEasy
Practice
Practice drill

Summarize SQL and algorithm practice in a structured response field.

analytics toolsleetcodeData ManipulationMonee
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3
Execution8 questions · ~90 min
Choose Storage and Protocol StackMedium
Recently asked

Explain how you would choose between storage systems and communication protocols for a distributed platform with competing latency, consistency, and delivery needs.

storage systemsTrade-offscommunication protocolsPalantir technologies
Scope a Vague Platform RequestMedium
Recently asked

Turn a vague internal platform request into a scoped plan, edge-case inventory, and architecture proposal with aligned stakeholders.

system designScope Managementedge casesPalantir technologies
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4
System Design16 questions · ~181 min
Backend for Grid SearchHard
Recently asked

Assesses system design skills for indexing and efficient spatial search.

designPalantir technologies
Designing a System With Database ChoicesHard
Recently asked

Evaluates end-to-end system design and justification of architectural trade-offs.

system designdatabasePalantir technologies
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5
Behavioral & Leadership4 questions · ~45 min
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The finish line: interview-readyComplete all 50 questions plus 2 hands-on drills to finish this plan.