this, just have them do a small subset of something you already do. It tells you so much. I also tell the candidate that if they complete it and it works they a

this, just have them do a small subset of something you already do. It tells you so much. I also tell the candidate that if they complete it and it works they are guaranteed to be hired at some level. At the end of the day if you can't show me your work on a open source project, or demo me something you made, there is no way for me to know you can actually build something until you do! Especially true for junior level positions!