You don’t say what model you have.
Sounds like when you bled the brake you didn’t push the fluid back into the lever body to ‘set’ the diaphragm. This would mean the system is underfilled.
However, if you’ve got Pad Contact Adjuster did to set this all the way ‘Out’ before you bled the brakes or have you adjusted it since. Eitherway, it would mean the system is incorrectly filled.
ETA: Bleeding Juicy’s is a faffy procedure and certainly not as simple as the experts make out. So it might be that you haven’t bled the brakes properly. Once you’ve got the hang of bleeding them though it is very straight forward.