Hi there Jack,
There are many good ways, so here’s a couple:
Language exchange, meet up with someone who wishes to practice their English for the first hour, and let the second hour be in Chinese. If your Chinese is just beginner, then it’ll be better to just be an english lesson gauged at the stage you’re at.
Language courses, in university or smaller schools around the city. Universities offer full time courses, but if you have daily stuff going on like being a student on another course of job, then most offer part-time courses.
I hope those help guide you. If anything, since you’ve just arrived here, use the initial months to immerse yourself! 🙂