← Back to jobsPosted (ATS) 5/21/2026, 3:04:46 PM Updated (ATS) 8/13/2026, 9:30:02 AM First seen by us 7/30/2026, 9:00:20 AM Last re-seen 8/22/2026, 2:15:19 PM Distinct job IDs 1 Open in parallel 1 Work locations 1 Cumulative days active 94 Stagnancy score 58.61 ATS job ID 7950046
GhostHigh-confidence zombie posting. HR is probably not actually hiring.
Staff/Principal Machine Learning Scientist - Ranking & Retrieval
Tripadvisor · Data Science and Analytics · London, United Kingdom
A posting in this role has sat open 94 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
- London, United Kingdom
- Posted (ATS)
- May 21, 2026
- Last confirmed open
- Aug 22, 2026
- Open for
- 93 days +
Data provenance
- Source platform
- greenhouse
- Latest listing found
- https://job-boards.greenhouse.io/tripadvisor/jobs/7950046
- Stream ID
- c358ef62-5e21-443d-b1db-15cf5874a6b1