AI disclosure: this post was written with AI assistance (drafting and editing). I ran every request and code sample below myself on October 28, 2026 and checked the output. Select "AI-Assisted" in the DEV editor before publishing.

If you want a list of open jobs at a set of companies, you usually do not need a headless browser. Most tech companies host their career page on an applicant tracking system (ATS), and three of the most common ones, Greenhouse, Lever and Ashby, expose the same postings their career pages render as plain JSON. No API key, no login.

This post covers the three endpoints, the fields worth keeping, and a small reader that turns all three into one shape.

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