build help
Power grenades are a good option for straight up aoe damage, but they get incredibly boring and you’ll probably need to relax your finger from pressing 1 so many times.
Other than that, there is a sticky at the top of the engineer forums that has plenty of decent builds.
I wouldn’t use nades until you get to 60 and can select the grenadier trait. I used a dual pistols condition damage spec up to 40, a bomb kit spec up to 60, and nades 60-80 and beyond. The reason for bomb kit at 40-60 is because when you only have access to the tier 2 traits, the bomb kit with bigger explosion radius and +10% explosion damage is quite strong relative to its alternatives, and its hard to use bomb kit in PvP so you might as well use it in PvE where the enemies are dumb enough to stand in the explosions.