Palantir
Big data analytics company for defense, intelligence, and enterprise.
5 Rounds
~28 Days
Very Hard
The Interview Loop
Recruiter Screen (30 min)
Standard fit check, behavioral questions, and resume overview.
Technical Loop (3-4 Rounds)
Deep dive into domain knowledge, coding, and system design.
Interview Question Bank
Full Stack Engineer
•
System Design
•
hard
Design a system to ingest, process, and query millions of flight telemetry events per second. The system needs to support real-time alerting and historical analysis.
#Streaming
#Big Data
#Databases
#Scalability
Full Stack Engineer
•
System Design
•
medium
Design a distributed rate limiter for Palantir's API gateway that can handle millions of requests per second across multiple global data centers.
#Distributed Systems
#Caching
#Concurrency
Full Stack Engineer
•
System Design
•
hard
Design a real-time collaborative dashboard (similar to Palantir Foundry's Contour). Users should be able to edit charts and see changes from other users instantly.
#WebSockets
#Operational Transformation
#CRDTs
#Frontend Architecture
Full Stack Engineer
•
System Design
•
hard
Design an access control system (RBAC/ABAC) for highly sensitive government data. How do you ensure that a user only sees the rows and columns they are explicitly cleared for?
#Security
#Database Design
#Microservices
Full Stack Engineer
•
System Design
•
hard
Design a log aggregation and search system capable of ingesting petabytes of logs from distributed Palantir Apollo nodes and allowing full-text search.
#Search Engines
#Distributed Systems
#Storage
Full Stack Engineer
•
System Design
•
hard
Design a system to sync data between a disconnected edge device (e.g., a submarine or aircraft) and the central cloud once connectivity is restored.
#Edge Computing
#Data Synchronization
#Conflict Resolution
Full Stack Engineer
•
System Design
•
medium
Design a distributed job scheduler for data pipelines in Palantir Foundry. It must handle job dependencies, retries, and worker node failures.
#Distributed Systems
#Task Queues
#Fault Tolerance
Difficulty Radar
Based on recent AI-sourced data.
Meet Your Interviewers
The "Standard" Interviewer
Senior EngineerFocuses on core competencies, system constraints, and clear communication.
SimulateUnwritten Rules
Think Out Loud
Always explain your thought process before writing code or drawing architecture.