SpaceX interview questions

36 questions20 coding1 system design15 behavioral7 freeUpdated

This is every question in the SpaceX guide, in one list: 20 coding problems, 1 system design and 15 behavioral questions, drawn from what candidates report about SpaceX interviews.

Each row shows the round it comes from and links to the lesson that works through it. 7 are free to read in full. The other 29 are Premium, and here you still see their round, difficulty and topic, so you know what you're walking into.

SpaceX coding interview questions

20 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.

1Grid Regions: Number of IslandsFreeOnsiteMediumTake-Home & Onsite Problems
2Cereal Box Maze Solver: BFS Shortest Path on a GridFreeOnsiteMediumTake-Home & Onsite Problems
3Telemetry Store: Time-Based Key-Value StoreFreeOnsiteMediumTake-Home & Onsite Problems
4Bounded Queue: Offer, Poll, and Thread SafetyFreeOnsiteMediumTake-Home & Onsite Problems
5Allocate Rocket Spare PartsFreeOnsiteMediumTake-Home & Onsite Problems
6Flag Redline Sensors From TelemetryFreeOnsiteMediumTake-Home & Onsite Problems
7Premium hard problemCodingHardTake-Home Assignments
8Premium medium problemCodingMediumTake-Home Assignments
9Premium medium problemCodingMediumTake-Home Assignments
10Premium medium problemCodingMediumObject Modeling Problems
11Premium medium problemCodingMediumObject Modeling Problems
12Premium easy problemCodingEasyObject Modeling Problems
13Premium easy problemCodingEasyShort Live-Coding Problems
14Premium easy problemCodingEasyShort Live-Coding Problems
15Premium easy problemCodingEasyShort Live-Coding Problems
16Premium medium problemCodingMediumShort Live-Coding Problems
17Premium easy problemCodingEasyShort Live-Coding Problems
18Premium medium problemCodingMediumEmbedded Logic Problems
19Premium medium problemCodingMediumEmbedded Logic Problems
20Premium medium problemCodingMediumEmbedded Logic Problems

SpaceX system design interview questions

1 design, worked end to end in its own lesson, from requirements to the architecture and its trade-offs.

#Question
1Design a Telemetry SystemFree

SpaceX behavioral interview questions

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

Mission alignment and "Why SpaceX?" (3)

All 3 are Premium

First principles and simplify before optimize (3)

All 3 are Premium

Ownership and bias to action (3)

All 3 are Premium

The project deep-dive and defended presentation (3)

All 3 are Premium

Intensity and hours fit (3)

All 3 are Premium

Read the SpaceX behavioral questions

See all 36 SpaceX questions by name

Premium opens the 29 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 SpaceX interview guide?

36: 20 coding problems, 1 system design and 15 behavioral questions. The guide was last updated in November 2026.

Which rounds do these SpaceX interview questions come from?

Of the 20 coding problems, 6 come from the onsite and 14 from the coding rounds. The one system design and 15 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 SpaceX interview questions are free?

7 of the 36 are free to read in full, marked Free in the list. The other 29 come with Premium, which also opens all 100 company guides.