Core Infrastructure Engineer for Autonomous AI Platform

RoxAI; San Francisco (CA); Hybrid; USD 180,000 - 240,000; Full time

Benefits offered by this job

Medical plan

Dental plan

Vision plan

401(k)

Unlimited PTO

Parental leave

Wellness stipend

Learning stipend

Internet stipend

SF HQ meals

Job summary

Rox is hiring for a Core Engineer to design and operate the foundational infrastructure behind our autonomous agent platform. You will work on reliable, scalable backend systems powering enterprise AI workflows, with a focus on low-latency, deterministic execution and robust observability.

This onsite SF role seeks engineers who can shape the architecture and ship impactful infrastructure at scale. You will collaborate across platform, AI, and product teams, tackle real-time data, streaming, and

Qualifications

• Strong background in distributed systems or platform engineering.
• Experience building and operating high-scale backend infrastructure.
• Strong systems fundamentals across networking, concurrency, storage, and reliability.
• Experience with streaming systems, distributed databases, or real-time infrastructure.
• Ability to independently design and ship complex technical systems.
• Strong product and engineering judgment.

Responsibilities

• Build infrastructure for reliable autonomous agent execution.
• Design systems for deterministic, auditable agent behavior at enterprise SLAs.
• Develop low-latency retrieval and context systems powering AI workflows.
• Build and scale graph-based infrastructure and semantic retrieval systems.
• Improve observability, debugging, and reliability across distributed agent systems.
• Work on real-time data ingestion and streaming architectures.
• Collaborate closely with platform, AI, and product engineering teams.

Skills

Distributed systems

Backend engineering

Streaming systems

Graph retrieval

Semantic search

Observability

Low-latency infra

System design

Tools

Apache Flink

Job description

Rox is hiring for a Core Engineer to design and operate the foundational infrastructure behind our autonomous agent platform. You will work on reliable, scalable backend systems powering enterprise AI workflows, with a focus on low-latency, deterministic execution and robust observability.

This onsite SF role seeks engineers who can shape the architecture and ship impactful infrastructure at scale. You will collaborate across platform, AI, and product teams, tackle real-time data, streaming, and