← Back to jobsPosted (ATS) 6/6/2026, 4:33:07 AM Updated (ATS) 6/6/2026, 4:33:07 AM First seen by us 6/28/2026, 8:02:06 AM Last re-seen 8/22/2026, 4:30:26 PM Distinct job IDs 1 Open in parallel 1 Work locations 1 Cumulative days active 78 Stagnancy score 52.67 ATS job ID affd3040-91e4-4e0c-bd2f-4b022c613f91
Suspected GhostRotation or age signals smell off. Proceed with skepticism.
Member of Technical Staff (ML Engineer, Recommendations & User Modeling)
Perplexity · AI Research & Systems · San Francisco
A posting in this role has sat open 78 days — past the 45-day mark where openings start to look less like an active, immediate need.
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
- San Francisco
- Posted (ATS)
- Jun 6, 2026
- Last confirmed open
- Aug 22, 2026
- Open for
- 77 days +
Data provenance
- Source platform
- ashby
- Latest listing found
- https://jobs.ashbyhq.com/perplexity/affd3040-91e4-4e0c-bd2f-4b022c613f91
- Stream ID
- 039973f7-a691-47a1-bcac-ab17beebf273