← Back to jobsPosted (ATS) 5/24/2026, 11:37:28 PM Updated (ATS) 9/30/2026, 12:00:54 AM First seen by us 7/1/2026, 7:01:40 AM Last re-seen 10/19/2026, 1:30:44 AM Distinct job IDs 1 Open in parallel 1 Work locations 1 Cumulative days active 147 Stagnancy score 66.71 ATS job ID 7955579
GhostHigh-confidence zombie posting. HR is probably not actually hiring.
Principal Machine Learning Engineer- LLM Fine-tuning and Optimization
Airbnb · Software Engineering · United States
A posting in this role has sat open 147 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
- United States
- Posted (ATS)
- May 24, 2026
- Last confirmed open
- Oct 19, 2026
- Open for
- 147 days +
Data provenance
- Source platform
- greenhouse
- Latest listing found
- https://careers.airbnb.com/positions/7955579?gh_jid=7955579
- Stream ID
- 33d9d192-0f8d-4d75-9d71-defecfe4a8f8