The software team did an AMA on reddit a while back: https://www.reddit.com/r/IAmA/comments/1853ap/we_are_spacex_software_engineers_we_launch/ https://www.reddi

The software team did an AMA on reddit a while back: https://www.reddit.com/r/IAmA/comments/1853ap/we_are_spacex_software_engineers_we_launch/ https://www.reddit.com/r/IAmA/comments/1853ap/we_are_spacex_... Basically it's C/C++ (as expected) for critical stuff, like the rocket or dragon, and C# for all enterprise systems. Plus an assorted set of other languages/technologies depending on team and project.