Founding Engineer

About this role

AgentMail is hiring a founding engineer to build backend infrastructure and APIs for an inbox platform designed specifically for AI agents. You'll own projects end-to-end, working on high-performance systems that enable agents to communicate and authenticate in the real world.

What you'll do

• Design intuitive APIs and abstractions for both human and AI agent users
• Build high-performance, low-latency infrastructure processing hundreds of thousands of emails daily
• Own projects from system design through production deployment
• Develop and maintain core distributed systems with strong technical documentation
• Gather and relay customer feedback as a product spokesperson
• Bridge cutting-edge AI capabilities with email and identity infrastructure

What they're looking for

• Backend development and API design
• Distributed systems and infrastructure
• Cloud infrastructure
• Systems thinking and end-to-end problem solving
• Production software shipping experience
• Technical communication and documentation
• Email, messaging, or authentication systems (bonus)
• AI/LLM systems experience (bonus)

Benefits

• Base salary $150k-$250k with 0.5%-1.5% equity
• Medical, dental, and vision insurance
• Equinox gym memberships
• Free meals via Doordash (breakfast, lunch, dinner)
• Early-stage hypergrowth opportunity
• Full-time, on-site in San Francisco