← Back to jobsPosted (ATS) 9/12/2025, 6:08:52 AM Updated (ATS) 9/12/2025, 6:08:52 AM First seen by us 6/28/2026, 9:01:45 AM Last re-seen 8/22/2026, 10:30:15 PM Distinct job IDs 1 Open in parallel 1 Work locations 1 Cumulative days active 345 Stagnancy score 96.95 ATS job ID c75915ba-a32b-4e17-873d-19b47564170d
GhostHigh-confidence zombie posting. HR is probably not actually hiring.
Fullstack Software Engineer, Applied AI
LangChain · Engineering · San Francisco, CA
A posting in this role has sat open 345 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
- San Francisco, CA
- Posted (ATS)
- Sep 12, 2025
- Last confirmed open
- Aug 22, 2026
- Open for
- 345 days +
Data provenance
- Source platform
- ashby
- Latest listing found
- https://jobs.ashbyhq.com/langchain/c75915ba-a32b-4e17-873d-19b47564170d
- Stream ID
- 690d49ab-b492-41e4-b565-c246257b3aa8