Stay in one fight
Deep Rock Galactic punishes splitting. Two dwarves in one fight beat two dwarves in two fights, because neither can be revived.
Call your resupply
A resupply pod holds four charges. Calling one alone wastes three quarters of it. Call it together.
Cover the gap
Know what your class does for the others, then do it. Turrets, platforms, shields and light are all team tools, not personal ones.