Spacex Software Engineer interview: first-principles and hardware-focused questions

The process started with a short recruiter call about my background, then turned technical almost immediately. The next call lasted about 30 minutes and felt grounded in first principles. I answered quick checks on fundamentals such as the ideal gas law and Bernoulli's equation, then moved into structures-style questions. Even when I did fine on the equations, it seemed they wanted tight, confide…

Shared by a candidate · reported Jul 2026. Interview formats change; use it as a guide, not a script.