Anduril interview questions

47 questions31 coding2 system design14 behavioral10 freeUpdated

This is every question in the Anduril guide, in one list: 31 coding problems, 2 system designs and 14 behavioral questions, drawn from what candidates report about Anduril interviews.

Each row shows the round it comes from and links to the lesson that works through it. 10 are free to read in full. The other 37 are Premium, and here you still see their round, difficulty and topic, so you know what you're walking into.

Anduril coding interview questions

31 problems, in the order the guide teaches them. Each lesson gives the full problem, a worked solution and the follow-ups interviewers tend to add.

1Minimum Sensor Range Along a BorderFreeCodingMediumBinary Search, Stacks & BFS
2Days Until a Warmer ReadingFreeCodingMediumBinary Search, Stacks & BFS
3Distance to the Nearest TowerFreeCodingMediumBinary Search, Stacks & BFS
4Sensor Raster: Spiral OrderFreeCodingMediumMatrix & Geometry
5Field of View: Maximum Visible PointsFreeCodingHardMatrix & Geometry
6Ground Route: Shortest Path with ObstaclesFreeCodingMediumMatrix & Geometry
7Callsign Lookup: Add and Search with WildcardFreeCodingMediumMatrix & Geometry
8Sensor Raster: Region SumFreeCodingMediumMatrix & Geometry
9Premium medium problemCodingMediumGraph Search and Connectivity
10Premium medium problemCodingMediumGraph Search and Connectivity
11Premium hard problemCodingHardGraph Search and Connectivity
12Premium medium problemCodingMediumGrid Simulations
13Premium medium problemCodingMediumGrid Simulations
14Premium medium problemCodingMediumGrid Simulations
15Premium medium problemCodingMediumQueues, Heaps and Streams
16Premium hard problemCodingHardQueues, Heaps and Streams
17Premium hard problemCodingHardQueues, Heaps and Streams
18Premium medium problemCodingMediumLinked Lists
19Premium medium problemCodingMediumLinked Lists
20Premium medium problemCodingMediumLinked Lists
21Premium medium problemCodingMediumArrays, Sorting and Subsets
22Premium medium problemCodingMediumArrays, Sorting and Subsets
23Premium medium problemCodingMediumArrays, Sorting and Subsets
24Premium medium problemCodingMediumParsing Expressions
25Premium easy problemCodingEasyParsing Expressions
26Premium medium problemCodingMediumParsing Expressions
27Premium medium problemCodingMediumString and Word Search
28Premium medium problemCodingMediumString and Word Search
29Premium medium problemCodingMediumString and Word Search
30Track pool: fixed capacity with birth, refresh, evict, and expireFreeSystem designMediumDesign a Mission-Critical Component
31Premium medium problemSystem designMediumDesign a Doubly Linked List

Anduril system design interview questions

2 designs, each worked end to end in its own lesson, from requirements to the architecture and its trade-offs.

#Question
1Design a Mission-Critical ComponentFree
2Design a Doubly Linked List (Premium)

A lock means the design is named here and its walkthrough is Premium.

Anduril behavioral interview questions

14 questions, grouped by what the interviewer is testing. The lesson explains why each one gets asked and what a strong answer covers.

Mission fit and the ethics dilemma (3)

All 3 are Premium

Ownership and bias to action (3)

All 3 are Premium

First principles and technical depth (3)

All 3 are Premium

Collaboration and honest self-assessment (3)

All 3 are Premium

The hours, honestly (2)

All 2 are Premium

Read the Anduril behavioral questions

See all 47 Anduril questions by name

Premium opens the 37 locked questions on this page, each with the full prompt and a worked answer, and every other lesson in all 100 company guides.

Common questions

How many questions are in the Anduril interview guide?

47: 31 coding problems, 2 system designs and 14 behavioral questions. The guide was last updated in November 2026.

Which rounds do these Anduril interview questions come from?

Of the 31 coding problems, 29 come from the coding rounds and 2 from the system design lessons. The 2 system designs and 14 behavioral questions come from the system design and behavioral rounds. Every row in the list carries its round, so you can start with the one you have booked.

Which Anduril interview questions are free?

10 of the 47 are free to read in full, marked Free in the list. The other 37 come with Premium, which also opens all 100 company guides.