How to Present Cross-Functional Influence on a Technical Resume Without Sounding Vague

"Worked cross-functionally" is one of the easiest ways to hide meaningful technical influence behind harmless corporate language. Naming product, design, security, or operations proves that meetings happened. It does not show what you contributed, which tension you helped resolve, or why anyone changed direction. A stronger resume leaves a decision trail: who needed alignment, what made the decision hard, what you brought to it, and what happened next.
