What are the responsibilities and job description for the Infrastructure Software Engineer position at Crossing Hurdles?
Crossing Hurdles is a global recruitment firm partnering with leading US-based startups. We are hiring for a rapidly growing frontier AI infrastructure company backed by top-tier venture investors and building core systems for the next generation of AI agents. The company is well-capitalized, growing quickly, and building a highly technical team in San Francisco to work on some of the most challenging problems in reinforcement learning and AI infrastructure.
Role Snapshot
Role: Member of Technical Staff
Compensation: $160K – $600K Competitive Equity
Location: San Francisco, US | In-person (6 days/week)
YOE: 0 years of experience in full-stack or infrastructure engineering, particularly in low-level systems or as a founding engineer
Benefits: Competitive Equity Visa Sponsorship (evaluated case-by-case)
Why should you consider?
- Work on reinforcement learning environments and infrastructure powering next-generation AI agents.
- Collaborate with a highly technical team solving complex systems and AI research problems.
- Build realistic simulation environments, data systems, and tasks for advanced AI training.
- High ownership in a fast-growing startup backed by top-tier investors.
- Operate at the frontier of AI development with meaningful real-world impact.
Salary : $160,000 - $600,000