Once an officer hits their unit, they have someone with 5-10x more experience to supervise them for their first 5-10 years. It would be like a new manager getting a senior engineer to work with 7 days a week to help guide their bad ideas.

Additionally, your software engineers aren't indentured servants. In the military, you often can't go home until a problem is fixed and if you quit, you go to jail.

The military burns through a lot of good people, most get out after their initial term.