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Palantir technologies Interview Questions

The questions to prepare for Palantir technologies interviews, across all roles. Questions from real interview reports rank first. Updated weekly.

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1
CodingStart here. 8 questions · ~88 min
Top IPs from Server LogsEasy
Practice

Count IP frequencies from log lines with a hash map and return the top 10 using sorting by count and lexicographic tie-break.

bashfrequency countpythonPalantir technologies
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2
SQL & Data Manipulation6 questions + 2 drills · ~86 min
SQL: Active User QueryMedium
Practice

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

Data Analysissql queriesPalantir technologies
Average Vehicle Idle Time by ZoneHard
Practice
Practice drill

Use joins, a CTE, and aggregations to calculate average vehicle idle minutes in a specific geographic zone.

JoinsData ManipulationsqlWaymo
Daily Session Funnel Conversion RatesHard
Practice
Practice drill

Calculate daily session-level funnel conversion rates using CTEs, CASE WHEN, and date functions.

User NeedsData WranglingAggregations
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3
Execution8 questions · ~88 min
Prioritize Debt vs Feature DeliveryMedium

Explain how you would balance technical debt work against new feature delivery without losing roadmap credibility or increasing risk.

Trade-offsRoadmappingPrioritizationPalantir technologies
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4
Product Sense7 questions · ~77 min
Gather Feedback on DesignsEasy
Recently asked

Explain how you gather design feedback, from early discovery through validation, and how you decide which signals to act on.

User ResearchUser NeedsPain PointsPalantir technologies
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5
Pipelines7 questions · ~77 min
Secure Container Images in PipelinesMedium

Approach for securing container images in a delivery pipeline before production release.

CI/CDSecurityQualityPalantir technologies
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6
System Design7 questions · ~77 min
Rate-Limiting Service DesignMedium

Assesses ability to design scalable request throttling with correctness and performance in mind.

api designscalabilityrate limitingPalantir technologies
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7
More topics7 questions · ~77 min
Memory Management in High ThroughputMedium

Evaluates your practical approach to preventing memory issues and improving backend performance.

memory managementthroughputPalantir technologies
Defining Success Metrics Under AmbiguityHard

Tests your ability to set measurable outcomes and manage tracking when requirements are unclear.

KPIsSuccess CriteriadeploymentPalantir technologies
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The finish line: interview-readyComplete all 50 questions plus 2 hands-on drills to finish this plan.