Build next-generation AI-powered developer tools at massive scale. Design and optimize high-performance inference and runtime systems. Work with a small, elite team on complex coding problems.
Key Highlights
Technical Skills Required
Benefits & Perks
Job Description
Crossing Hurdles is a recruitment firm. We refer top candidates to our partners that collaborate with the world’s leading AI research labs to build and train cutting-edge AI models.
Role: Founding Engineer (AI / Developer Tools)
Type: Full-time
Location: San Francisco, CA (On-site, 5 days/week)
Compensation: $180K – $265K base + 1–2% equity
Visa Sponsorship: Available (H1B transfer & other visas supported)
Role Overview
We’re looking for a Founding Engineer to help build next-generation AI-powered developer tools operating at massive scale. This role sits at the intersection of agentic AI systems, high-performance infrastructure, and real-world developer workflows.
You’ll work on systems that process tens of billions of tokens per day, power thousands of concurrent coding agents, and generate hundreds of millions of lines of code monthly across companies ranging from early-stage startups to Fortune 500s.
This is a high-intensity, high-ownership role for engineers who love building fast, solving hard problems, and pushing technical boundaries in a small, elite team.
What You’ll Do
- Build and iterate on agentic evaluation systems and multi-agent discovery strategies to solve increasingly complex coding problems on large codebases
- Design and optimize **high-performance inference and runtime