Founding Engineer ($150k - $250k + Equity) at AgentMail

About this role

AgentMail seeks a founding engineer to build identity and communication infrastructure for AI agents. You'll design scalable APIs and distributed systems handling massive email volumes while owning projects from concept to production for a rapidly growing startup.

What you'll do

• Design and implement backend infrastructure and APIs optimized for AI agents
• Architect and scale low-latency distributed systems for high-volume communication and authentication
• Lead end-to-end product initiatives from design through production deployment
• Own complex projects across the full technical stack
• Process and optimize for hundreds of thousands of daily emails

What they're looking for

• Production-grade software development
• Distributed systems design
• Cloud infrastructure management
• API design and optimization
• System architecture at scale
• Full-stack development
• Technical decision-making
• 0-to-1 product building

Benefits

• Competitive salary: $150k-$250k
• Significant equity stake
• San Francisco location
• Work with elite founding team from Optiver, NVIDIA, Amazon, Modern Treasury
• Exceptional growth trajectory (user base doubling bi-weekly)
• Early-stage equity upside potential