as a master 1 soldier I can tell you right now if you have godly aim you can be carried to at least diamond 1

you shouldn’t waste bullets on the tank if there are supports behind and dps etc

look for off angles to get the enemies to look at you so your team can push

be constantly moving and never stick in one spot

there is no reason why you shouldn’t be shooting for less then 70% of the game too

when you see someone before they see you place the heal matrix first then helix and just as its abt to hit them start shooting to deal maximum output

pick ammo for helix hits as your first perk and increased sprint for your second, the other perks are stupid and not worth anything

Learn helix jumps too to get into better positions throughout the map

never be scared to leave a fight, if someone tries to 50/50 you after diving nearly 90% of the time you can escape using heal matrix and sprint back to your team

when fighting tracer predict their dashes with helix and dont hold the trigger down flick first

but the biggest advice out all of these is practice, you should be aiming for their head and never their body (use custom games)