Palantir interview questions

Showing 1–15 of 15 results

• Apply Item Coupons with Exact Per-Item Cent RoundingMedium

  Implement a checkout calculation engine that applies item-specific coupons to cart lines using exact banker's rounding (round-half-to-even) per unit and returns the final cart total in integer cents.

  PalantirSoftware EngineerCoding & AlgorithmsOnline Assessment
• Design a Real-Time Collision Warning System for Drones in Shared AirspaceMedium

  Design a system that ingests live telemetry from many drones sharing airspace and warns operators when two of them are predicted to come too close. It tests streaming ingestion, spatial partitioning, trajectory-based conflict prediction, alert delivery and reliability under the latency and safety demands of a real-time system.

  PalantirSoftware EngineerSystem DesignOther
• Design a Server Metrics MonitorEasy

  This question evaluates knowledge of distributed system design, scheduling and orchestration, concurrency, fault tolerance, and observability in the context of large-scale metric collection.

  PalantirSoftware EngineerSystem DesignOnsite
• Design a Tool Registration, Discovery and Safe Execution Layer for LLM AgentsMedium

  A senior system design question about the platform that lets LLM-driven agents discover and call backend tools. It probes tool registration and discovery, schema definition versus runtime validation of model-generated arguments, the interface between backend services and agents, and patterns for executing actions safely.

  PalantirSoftware EngineerSystem DesignOther
• Design a compliant multi-tenant analytics platformMedium

  This question tests the ability to design a secure, scalable multi-tenant analytics platform that enforces strict data isolation and fine-grained access control while maintaining rigorous audit trails.

  PalantirSoftware EngineerSystem DesignOnsite
• Design a scalable interview question bankHard

  Design a scalable interview question bank evaluates requirements, scale assumptions, API/data design, architecture, trade-offs, failure modes, and rollout in a realistic interview setting. A strong answer states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.

  PalantirSoftware EngineerSystem DesignTechnical Screen
• Discuss logistics and compensationMedium

  Discuss logistics and compensation evaluates behavioral evidence, ownership, communication, trade-offs, and measurable outcomes in a realistic interview setting. A strong answer states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.

  PalantirSoftware EngineerBehavioral & LeadershipTechnical Screen
• Find Shortest Paths in Road NetworkEasy

  This question evaluates understanding of graph data structures and shortest-path concepts, including correct modeling of undirected edges, unweighted versus weighted pathfinding, and algorithmic time and space complexity.

  PalantirSoftware EngineerCoding & AlgorithmsOnsite
• Group employees by shared interestsMedium

  This question evaluates a candidate's competency in organizing and querying collections, mapping relationships between entities, and reasoning about algorithmic time and space complexity within data structures and grouping operations.

  PalantirSoftware EngineerCoding & AlgorithmsTechnical Screen
• Handle value conflicts and disagreeing with leadershipMedium

  This question evaluates ethical judgment, professional disagreement, stakeholder communication, and ownership/accountability within leadership and team contexts for software engineers.

  PalantirSoftware EngineerBehavioral & LeadershipOnsite
• Merge K Individually Sorted Integer Arrays Into One Sorted ArrayEasy

  Merge k integer arrays, each sorted in non-decreasing order, into one sorted array that keeps every duplicate. The interviewer asked for the two-pointer method and divide and conquer, so the problem tests merging sorted sequences and how the cost grows with the number of arrays.

  PalantirSoftware EngineerCoding & AlgorithmsTechnical Screen
• Optimize Coupon Selection Under a Twenty-Point BudgetMedium

  Optimize coupon activations under a 20-point budget to maximize monetary savings while handling item/category stacking, savings caps, rounding, and tie-breaking.

  PalantirSoftware EngineerSoftware Engineering FundamentalsOnline Assessment
• Reflect on experiences and teamworkMedium

  Reflect on experiences and teamwork evaluates behavioral evidence, ownership, communication, trade-offs, and measurable outcomes in a realistic interview setting. A strong answer states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.

  PalantirSoftware EngineerBehavioral & LeadershipTechnical Screen
• Simulate a Growing Snake on a Grid and Report the Score After Every MoveMedium

  Simulate a snake moving on a rectangular grid, eating food that appears one piece at a time, and return the score after every move or -1 once the snake leaves the board or runs into itself. It tests precise state simulation, collision rules around the moving tail, and efficient tracking of the snake's body.

  PalantirSoftware EngineerCoding & AlgorithmsTechnical Screen
• Stack Item and Category Coupons with an Eighty-Percent CapMedium

  Implement a cart checkout calculator that stacks item and category discounts multiplicatively, caps savings at 80%, and applies round-half-up once per item.

  PalantirSoftware EngineerCoding & AlgorithmsOnline Assessment