Senior Engineer, Backend/Infra

The role

This person will lead and manage a team of 4-6 engineers to build APIs and distributed infrastructure. They will design systems for AI agents to communicate, authenticate, and operate.

What you will do

• Lead and manage a team of 4-6 engineers
• Design APIs and abstractions that are intuitive for both humans and AI Agents
• Build high-performant, low-latency systems
• Touch core infrastructure that processes hundreds of thousands of emails per day
• Think creatively about being the bridge between cutting edge AI capabilities and email
• Own projects end-to-end, from system design to production rollout
• Write clear, maintainable code and strong technical documentation
• Be the frontline for feedback from customers

Required qualifications

• 3+ years of work experience as an engineer working on infrastructure at a tech company
• Has architected software used in production by millions of users

Nice to have

• Prior experience shipping production software by real users by a software engineer at a tech company or startup
• Experience with cloud infrastructure, distributed systems, or developer tools
• Experience with messaging, email, auth, or protocol-heavy systems
• Experience building for AI/LLM use cases

Benefits

• Breakfast, lunch, and dinner (Doordash)
• Medical, dental, and vision insurance
• Equinox membership

About the company

AgentMail is building an API designed to give inboxes to AI agents and be the sole identity + communication provider. The team includes experts from Optiver, NVIDIA, Amazon, Modern Treasury, and KKR.