Your standards are very reasonable. You should keep pushing for higher standards. Preferably these also should be enforced technically. I.e., it should just not

Your standards are very reasonable. You should keep pushing for higher standards. Preferably these also should be enforced technically. I.e., it should just not be possible to push something to development without code review. At first you can also just make sure you have good quality in the parts of the application that you are working on. It will at some point become quite noticeable that thing are going better there. I.e., the tests will catch something that would have otherwise failed in production. This can work as an eye-opener.