← Back to jobsPosted (ATS) 11/7/2025, 11:27:54 PM Updated (ATS) 11/7/2025, 11:27:54 PM First seen by us 6/27/2026, 10:01:49 PM Last re-seen 8/23/2026, 3:30:20 AM Distinct job IDs 1 Open in parallel 1 Work locations 1 Cumulative days active 288 Stagnancy score 88.24 ATS job ID c80f0fe9-3fc4-49fe-9f26-a7115350b1fc
GhostHigh-confidence zombie posting. HR is probably not actually hiring.
Staff Research Engineer, Model Efficiency
Cohere · Modeling · New York
A posting in this role has sat open 288 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.
- Location
- New York
- Posted (ATS)
- Nov 7, 2025
- Last confirmed open
- Aug 23, 2026
- Open for
- 288 days +
Data provenance
- Source platform
- ashby
- Latest listing found
- https://jobs.ashbyhq.com/cohere/c80f0fe9-3fc4-49fe-9f26-a7115350b1fc
- Stream ID
- 28bd539f-0ccb-4e88-af2f-85433488d663