◆ Ghost-checked by the swarm

Cartesian is hiring — here's how real it is.

Every opening below was pulse-checked against Cartesian's own careers feed. We also track how long their postings stay live — so you know what you're applying into.

5Live roles
100%Still open
4dMedian posting age
—dMedian time-to-close
Fast-moving. Roles here tend to fill or close within a couple of weeks — a good sign of active hiring. Apply promptly. (Posting-age is measured from the company's own post date; "time-to-close" is the window we observed each role stay live.)

3 of 5 live Cartesian roles

Applied ML/CS PhD Internship (6+ months)Cambridge, MA2d ago Postdoctoral AssociateCambridge, MA2d ago Machine Learning ScientistCambridge, MA4d ago

Get new Cartesian jobs — and a weekly ghost report

We'll email you the moment Cartesian posts a new role, plus which of your saved jobs went dark this week.

See more: all ghost-checked jobs · the Graveyard · score your résumé