Jack & Jill · 12 hours ago
Staff Software Engineer, AI ($200K – $240K + Equity) at well-funded AI infrastructure startup
San Francisco
Full-time
Hybrid
Lead/Staff
$200K/yr - $240K/yrJack & Jill is a well-funded AI infrastructure startup seeking a Staff Software Engineer specializing in AI. The role involves leading the development of autonomous AI agents to automate complex SRE and production operations while bridging high-scale infrastructure with machine learning.
Computer Software
Responsibilities
Design and implement sophisticated agent evaluation frameworks to measure and improve reasoning performance and system reliability
Build autonomous agents capable of executing complex, multi-step tasks across distributed infrastructure environments including Kubernetes and Kafka
Debug agent behavior by tracing reasoning paths and tool-calling logic to resolve non-deterministic failures in production
Qualification
Required
Deep experience building and operating high-scale production systems with a strong foundation in ML fundamentals and evaluation metrics
Proven track record of building at least one autonomous agent end-to-end and a preference for using AI-augmented workflows
Expert-level proficiency in Python and experience with systems languages like Rust, Go, or JVM-based languages for scalable backend development
Benefits
Equity
Company
Jack & Jill
Ok, I'll go first. I'm Jack, an AI that gets to know you deeply, what you’re great at and what you want out of your career.
Founded in 2025
2-10 employees
Funding
Current Stage
Early StageCompany data provided by crunchbase