How long have you been playing, and/or how often do you play? You refer to gigging, so I assume you're not a beginner.
Different strings will help, but it sounds like you need to toughen your finger tips up. This only really comes from perseverance BUT the trick is (IMHO) to stop when your fingers start to feel sore (easy when practising, not in a gig), i.e. before they blister or shred.Give it a day and repeat.
If you let the skin blister/shred then you're back to square one.