This is my recommendation. Seeing your job as a separate negative entity is bad for your mind. It is easy to stress over showing up on time, doing well, but it can help to enjoy your job while your there, whether it be the people, the mission, the environment, or its contribution towards you and your future. My job right now isn't the best ever, but it's funding my goals, like going to the gym, sweet treats, and education. When I go to work, I realize I am still me there, I can still daydream and enjoy the day. And when I am off, my day is filled with even more purpose because what I do is entirely decided by me. It helps to pre-plan things I truly want to do. In the moment, having free time after work can just feel exhausting, so writing out "I need/want to go on a walk or visit a coffee shop" helps a lot. It may seem unappealing but once you get yourself doing what you really want to do, it feels amazing. trying to change your lifestyle can be very hard, but baby steps make all the difference. Personally, just going to the gym after work does really make me feel better. One day, I left work so exhausted and pissed off just because of coworkers and exhaustion. But I forced myself to go to the gym and felt glad that I didn't let outside circumstances hold me back from my other goals.
Pretty much what I am saying is you have to consciously do everything, whether it is planning your after-work activities or enjoying your day at work.
Work in society is programmed to be 'bad' in our minds but it doesn't have to be.
Obviously you may not feel great every day or even after a while of trying to make changes, but ultimately working towards improving your own mental health will always be worth it, even if you know you may fall back into stress a month later. Just keep pushing!