How did you reach out to start up for engineering opportunities?

Hi everyone. This is my first time posting in this sub. I got my bachelors degree in biomedical engr and am looking for full time engr roles now. I graduated 8 months ago and am working for a engr consulting firm doing validation work for about 4-5 months. I don’t like my work and my team much. It’s a small company so I can’t switch roles either. I’ve been looking for opportunities in medical device industry and biotech but am having trouble figuring out how to get in touch with start ups (in the SF Bay Area mainly). Would love some advice. Thank you!