Fresh

Senior Backend Software Engineer, AI Observability & Evals Platform (NYC)

LangChain · Engineering · New York, NY

Within normal posting window. For now.

Posted (ATS)

10/8/2026, 4:01:55 AM

Updated (ATS)

10/8/2026, 4:01:55 AM

First seen by us

10/8/2026, 5:45:34 PM

Last re-seen

10/18/2026, 10:00:46 PM

Distinct job IDs

Open in parallel

Work locations

Cumulative days active

Stagnancy score

ATS job ID

20189c9d-f1af-4385-ae06-c3a6c7681ff0

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.

Rotation 1LatestID 20189c9d-f1af-4385-ae06-c3a6c7681ff0Still openView listing →
Location
New York, NY
Posted (ATS)
Oct 8, 2026
Last confirmed open
Oct 18, 2026
Open for
11 days +

Data provenance

Source platform: ashby
Source API URL: https://api.ashbyhq.com/posting-api/job-board/langchain?includeCompensation=true
Latest listing found: https://jobs.ashbyhq.com/langchain/20189c9d-f1af-4385-ae06-c3a6c7681ff0
Stream ID: edf0cebc-aaa3-4e1b-86e7-3a44f3b44d6e

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