Senior Engineer, Backend/Infra
$250k - $400k • San Francisco • FullTime
Posted 7mo ago
Job Location
San Francisco
Tech Stack
Remote Work Policy
On-site
Employment Type
FullTime
Categories
AI Agent Engineer
About the job
AgentMail is building an API designed to give inboxes to AI agents and be the sole identity and communication provider. We are seeking a founding engineer with strong backend and infrastructure instincts to help build the core primitives agents will use to communicate, authenticate, and operate in the real world. This role is ideal for someone who enjoys systems work, including APIs, distributed infrastructure, reliability, and developer tooling, and wants to own projects end-to-end from system design to production rollout.
Responsibilities
- Lead and manage a team of 4-6 engineers
- Design APIs and abstractions intuitive for both humans and AI Agents
- Build high-performance, low-latency systems with agents as end-users
- Work on core infrastructure processing hundreds of thousands of emails daily
- Bridge cutting-edge AI capabilities with email systems
- Own projects end-to-end, from system design to production rollout
- Write clear, maintainable code and technical documentation
- Act as a liaison for customer feedback
Requirements
- 3+ years of experience as an engineer working on infrastructure at a tech company
- Experience architecting software used in production by millions of users
- Ability to solve problems end-to-end, making decisions across frontend, infrastructure, backend, and UX
- High bar for quality and attention to detail
- Clear thinker and communicator, able to articulate tradeoffs, problems, and blockers
- Experience shipping production software as a software engineer
- Experience with cloud infrastructure, distributed systems, or developer tools (bonus)
- Experience with messaging, email, auth, or protocol-heavy systems (bonus)
- Experience building for AI/LLM use cases (bonus)
Benefits
- $250k - $400k base salary
- 1.0% - 2.0% equity
- Provided meals (Doordash)
- Medical, dental, and vision insurance
- Equinox membership