Help with these last 10 stubborn lbs?

Hey guys! I’m looking for some advice. I’ve recently lost about 20lbs and through diet and exercise but I am plateauing hard at around 155. I’ve upped the amount of time spent on my stair stepper, I’ve been in a calorie deficit every day including my cheat days (I usually end up treating myself to something bad for you but I generally end up at least a couple hundred under what my intake is supposed to be. For a job? I’m a bartender at a speakeasy who serves tables as well. I work 12 hour days 4 days a week and do not sit down, am hitting about 10ksteps minimum a day. I know this is a problem a lot of people face, I just feel that now that I’ve hit 155, I can’t do anything to get under… but if I so much as think about a calorie, my weight goes back between 156-160.

I’ve googled and have a fitness app so I’m here, desperate, asking real people what they’ve done. Also I don’t know if it matters, but I’m 6”, a female and am working on mild weight loss in a healthy way. I was thinking of fasting since I work for 12 hours a thanks in advance’