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
Data Engineer
•
Coding
•
medium
Write a SQL query to find the 3-day rolling average of transaction volumes per user, but only include users who have had at least one transaction in the last 30 days.
#SQL
#Window Functions
#CTEs
Data Engineer
•
Coding
•
medium
Write a recursive CTE in SQL to traverse an employee-manager hierarchy and return the full management chain for a specific employee.
#SQL
#Recursive CTEs
#Hierarchical Data
Data Engineer
•
Coding
•
medium
Write a SQL query to find users who logged in on 5 consecutive days.
#SQL
#Window Functions
#Gaps and Islands
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.