Founding Engineer — AI Infra & Agent Platform, Equity
Caylex
San Francisco (CA)
On-site
USD 120,000 - 160,000
Full time
14 days+
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Benefits offered by this job
Competitive salary
Equity options
Collaborative work environment
Job summary
A pioneering AI infrastructure company in San Francisco is seeking a Founding Engineer to shape its product and engineering culture. You will work on building scalable backend infrastructure, collaborating closely with the founding team to influence product development and company trajectory. The ideal candidate has over three years of experience in backend development, particularly with AI agents and distributed systems. This role offers the opportunity to join a small, driven team with a competitive salary and equity.
Qualifications
3+ years of experience in building large-scale backend infrastructure.
Understanding of AI agents and scaling challenges.
Experience building enterprise AI agents.
Responsibilities
Work full-stack on infrastructure and user-facing features.
Build high-performance infrastructure for external information access.
Collaborate with founding team to influence product and company trajectory.
Skills
Large-scale backend infrastructure
Distributed systems
AI agents architecture
MCP systems
API development
Creative problem solving
Job description
A pioneering AI infrastructure company in San Francisco is seeking a Founding Engineer to shape its product and engineering culture. You will work on building scalable backend infrastructure, collaborating closely with the founding team to influence product development and company trajectory. The ideal candidate has over three years of experience in backend development, particularly with AI agents and distributed systems. This role offers the opportunity to join a small, driven team with a competitive salary and equity.