Backend Engineer · Boston
Backend Engineer Jobs in Boston
There are currently 7 open Backend Engineer jobs in Boston & Cambridge across 5 AI startups. 57% of these roles are at Series A–B startups. Every listing links straight to the company's official application page.
7Open roles
5Companies hiring
Oct 2, 2026Last updated
01
Funding-stage mix
Series D 3 (43%)Series B 3 (43%)Series A 1 (14%)
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Open Backend Engineer Roles in Boston
| Role | Company | Stage | Location | Posted |
|---|---|---|---|---|
| Backend Engineer | Lilt | Series D | Multiple locations | Oct 2, 2026 |
| Senior Backend Engineer | Blitzy | Series B | Cambridge, MA | Sep 25, 2026 |
| Senior Backend Software Engineer, AI Observability & Evals Platform (LangSmith) | LangChain | Series B | Multiple locations | Sep 12, 2026 |
| Senior Backend Engineer | 7AI | Series A | Boston, MA | May 6, 2026 |
| Senior Backend Software Engineer | Semgrep | Series D | Multiple locations | Feb 2, 2026 |
| Staff Backend Software Engineer | Semgrep | Series D | Multiple locations | Feb 2, 2026 |
| Senior Backend Software Engineer, AI Observability & Evals Platform (SF) | LangChain | Series B | Multiple locations | Jan 8, 2026 |
03
FAQ
How many Backend Engineer jobs are open in Boston?
There are currently 7 open Backend Engineer jobs in Boston across 5 AI startups on Fast AI Jobs.
What funding stages are hiring Backend Engineers in Boston?
57% of open Backend Engineer roles in Boston are at Series A–B startups, with the rest spread across seed and later-stage companies.
How often is this list updated?
Listings are refreshed daily from official company career pages and deduplicated by posting. Every link points to the original application page.