← Back to jobsPosted (ATS) 6/26/2026, 3:41:38 PM Updated (ATS) 10/3/2026, 4:54:06 PM First seen by us 7/1/2026, 7:02:31 AM Last re-seen 10/19/2026, 12:01:03 AM Distinct job IDs 1 Open in parallel 2 Work locations 2 Cumulative days active 115 Stagnancy score 61.82 ATS job ID 8610345002
GhostHigh-confidence zombie posting. HR is probably not actually hiring.
Staff AI Research Engineer
Duolingo · AI + Machine Learning Engineering · New York, NY; Pittsburgh, PA
A posting in this role has sat open 115 days — well past the 90-day mark where an opening reads as a resume black hole rather than an active search.
Rotation timeline
Every ATS job ID we've matched to this same normalized title, oldest first. "Posted" is the date the ATS reports; "last confirmed open" is the last time we saw it live.
These IDs are spread across 2 different work locations — almost certainly separate openings per city/region, not one role re-posted over and over.
- Location
- New York, NY; Pittsburgh, PA
- Posted (ATS)
- Jun 26, 2026
- Last confirmed open
- Oct 19, 2026
- Open for
- 114 days +
- Location
- New York, NY
- Posted (ATS)
- Jun 26, 2026
- Ended (last seen)
- Oct 2, 2026
- Open for
- 98 days
Data provenance
- Source platform
- greenhouse
- Latest listing found
- https://careers.duolingo.com/jobs/8610353002?gh_jid=8610353002
- Stream ID
- 1aaa574c-01fc-45b9-a77c-505944280f20