Top 50
Prep plan
Updated weekly · Last refresh Oct 17

Palantir Forward-Deployed Engineer Interview Questions

The questions to prepare for a Palantir Forward-Deployed Engineer interview. Questions from real interview reports rank first. Updated daily.

50questions
~8htotal time
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1
CodingStart here. 13 questions · ~129 min
Class Diagram for ClassesMedium
Practice

Convert class definitions and UML relationships into deterministic Mermaid class-diagram lines.

aggregationabstractiondesignPalantir
Trapping Rain WaterHard
Practice

Compute trapped water in a 2D height matrix using boundary-first BFS with a min-heap.

ArraysbfsMatrixPalantir
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2
Execution12 questions · ~119 min
Build a System for Alien SpeciesHard

Tests your creativity and ability to design a system under novel constraints.

system designinnovationPalantir
Internal LinkedIn Platform DesignHard

Plan the requirements, roadmap, stakeholder alignment, and launch strategy for a company internal LinkedIn platform.

business requirementssystem designleetcodePalantir
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3
Sales & Customer13 questions · ~129 min
Project Plan With Non-Technical SponsorMedium

Tests translating technical plans into business-friendly execution plans and stakeholder alignment.

Palantir
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4
System Design7 questions · ~69 min
Batch vs Streaming for Real-TimeMedium

Tests tradeoff reasoning between batch and streaming architectures for real-time customer outcomes.

Palantir
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5
Behavioral & Leadership3 questions · ~30 min
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6
More topics2 questions · ~20 min
System Design: Build an AppMedium

Evaluates product sense, system design approach, and prioritization of requirements.

product developmentPalantir
In-House SQL Queries for BIMedium

Evaluates SQL-like query writing and ability to translate business questions into data logic.

sqlPalantir
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.