# Senior AI Backend Engineer at Within

- Company: Within
- What the company does: Backed by Y Combinator and a16z.
- Company website: http://within.ai
- Type: Startups (AI role)
- Level: Senior
- Location: San Francisco (HQ)
- Work setup: On-site
- Pay: $220K to $280K base salary per year (USD)
- Posted: 2026-04-08
- Apply by: 2026-10-08
- Apply: https://jobs.ashbyhq.com/within/08d4f087-a43f-4de0-9111-05babede8712
- Page: https://www.1752.vc/careers/jobs/within-senior-ai-backend-engineer/

## About the role

We're hiring Senior Backend + Applied AI Engineers to build the core systems that power Within's multimodal agents in real enterprise environments. This is a hands-on engineering role at the intersection of distributed systems and applied AI: you'll design and ship backend services that ingest messy real-world data, orchestrate model/agent workflows, enforce enterprise-grade security and deliver reliable outcomes at scale.

## What they're looking for

- Experience: 4+ years designing and shipping production-grade products

Tags: EPD
