Foundations Engineer (Deep Infra)

The role

You will design and operate the systems that power the Rox agent runtime. This involves building core distributed systems, real-time context ingestion, and low-latency decisioning infrastructure.

What you will do

• Design and build core distributed systems powering Rox agents.
• Build infrastructure for real-time context ingestion and retrieval.
• Develop systems that enable low-latency agent decisioning at scale.
• Improve reliability, observability, and fault tolerance across agent infrastructure.
• Build execution frameworks that support long-running agent workflows.
• Collaborate with product engineers and forward deployed engineers.
• Ship production systems quickly and evolve them based on real-world usage.

Required qualifications

• Experience building deep infrastructure systems in production.
• Experience with distributed data platforms, streaming compute systems, real-time analytics infrastructure, distributed query engines, or high-scale backend services.
• 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.
• A bias toward shipping systems, learning from production, and improving them continuously.

Benefits

• Medical, dental, and vision, including 100% company-paid plans for you and eligible dependents
• Company-paid life & AD&D, plus short- and long-term disability
• 401(k) with automatic enrollment
• Unlimited PTO, plus paid sick leave, company holidays, and bereavement
• Up to 20 weeks of paid parental leave at 100% pay (birth, adoption, or foster)
• Wellness stipend: $375/quarter
• Learning stipend: up to $2,000/year
• Internet & cell phone stipend: $25/month
• Mental health support, virtual care, and care navigation
• Fertility & family-building support, plus backup care membership
• Pre-tax commuter benefits (transit & parking)
• SF HQ: daily catered breakfast & lunch, meal allowances, and rideshare support when commuting to the office

About the company

Rox is building a revenue operating system using autonomous revenue agents. The platform powers Global 2000 leaders and dominant AI winners.