Senior Backend Software Engineer, AI Observability & Evals Platform (NYC)
Company websitelangchain.com (LangChain, opens in new tab)
Base salary $180K to $240K
Employer-published annual base salary, USD. Advertised base range in New York, NY
This job is no longer listed by the employer as of Nov 6, 2026. It is no longer shown as accepting applications. The history below is kept for reference.
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- LocationNew York, NY
- WorkplaceOn-site
- Status at last checkClosed
View original posting on Ashby (opens in new tab)
This listingSenior Backend Software Engineer, AI Observability & Evals Platform (NYC)$180K to $240K
Senior Frontend Engineer, AI Observability & Evals Platform$180K to $240K
Senior Frontend Platform Engineer, Design Systems$180K to $240K
Product Manager, LangSmith$180K to $240K
Senior Backend Software Engineer, AI Observability & Evals Platform (SF)$180K to $240K
Senior Fullstack Software Engineer, AI Observability & Evals Platform (NY)$175K to $240K
Security Engineer - Detection & Response$185K to $250K
Chart as a table
| Role | Published base |
|---|---|
| Senior Backend Software Engineer, AI Observability & Evals Platform (NYC) (this listing) | $180K - $240K |
| Senior Frontend Engineer, AI Observability & Evals Platform | $180K - $240K |
| Senior Frontend Platform Engineer, Design Systems | $180K - $240K |
| Product Manager, LangSmith | $180K - $240K |
| Senior Backend Software Engineer, AI Observability & Evals Platform (SF) | $180K - $240K |
| Senior Fullstack Software Engineer, AI Observability & Evals Platform (NY) | $175K - $240K |
| Security Engineer - Detection & Response | $185K - $250K |
Observed changes
- Began meeting the published-salary criteria
- First observed on the employer's board
- Absent from the employer's board; confirmation pending
- Closure observed on Nov 6, 2026
- Observed since
- Employer-stated posting date
- 2026-11-02
Where this pay comes from
Location as the employer wrote it: New York, NY
Annual salary range: $180,000- $240,000
- Method
- Employer text, read with fixed rules and re-verified
- Checked
- Rule set
- us-base-v2
The pay passage appears in the employer's own job text. Fixed, deterministic rules located it, and the passage below was checked against the stored copy of the posting.
What we verified
- The pay figures come from the employer's own listing, quoted exactly above.
- The pay is an annual base salary in US dollars with a minimum of at least $100,000.
- The role was publicly listed on the employer's job board when last checked.
We do not verify what the employer will actually offer, whether the employer is still recruiting for the role, or anything beyond what the employer published. Full methodology.