This job board only has offers from companies that received funding from Y Combinator. You'll mostly find early-stage startup jobs, although a few more established companies also post their offers there. Quite a few offers are for first hires and most jobs offer equity. You can filter by years of experience required, job type, location, required visa status etc. You can also create a Y Combinator profile so that companies can find you. There is a limit to the number of jobs you can apply for each week, depending on your experience. It’s about 5-10 jobs a week.

Remote OK is a popular job board with a mix of engineering and non-engineering jobs. There are a few dozen new jobs posted each day and you can filter by location, job type, salary, benefits etc. There is a mix of very small companies, startups and occasional enterprise and FAANG. You can sign up for their mailing list and receive new job offers by email.