Rox
Foundations Engineer (Deep Infra)
San Francisco · On-site · Full-time · Posted Jul 7, 2026
About the job
Designs and operates distributed infrastructure for Rox’s agent runtime, including real-time context handling, low-latency decisioning, and reliable long-running workflows.
What you'll do
- Build distributed systems and infrastructure for real-time context ingestion and retrieval.
- Develop low-latency agent decisioning and execution systems; improve reliability, observability, and fault tolerance.
- Collaborate with product and forward deployed engineers to ship production systems and adapt them to real-world usage.
What they ask for
- Experience building deep infrastructure systems in production.
- Strong intuition for latency, reliability, and scalability tradeoffs.
- Experience operating systems where real-world traffic exposes edge cases quickly.
- Comfort debugging complex distributed systems in production.
AI focus
Builds infrastructure powering AI agents, including context retrieval, agent orchestration, decision loops, and long-running workflows.
Model-written summary · the original posting is authoritative