The phrase implies an action or experience that will be helpful later, not immediately. Learning to code will stand you in good stead in future job markets.
Pro Tip 2/3
Positive Asset
It's used to express that something is a positive asset that creates an advantage. Her attention to detail will stand her in good stead in her career as an editor.
Pro Tip 3/3
Figurative Use
This is a figurative phrase, meaning it should not be taken literally. Years of debate club will stand him in good stead when arguing his case in court.