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AgentMailAgentMailSan Francisco, CA

Senior Engineer, Backend/Infra

Leads engineering team to build APIs, distributed infrastructure, and low-latency systems for AI agent email communication and identity. Owns end-to-end projects with 3+ years infrastructure experience at tech companies.

250k – 400k/yr
Hybrid3+ YOEBackend Engineering

About the role

Responsibilities

  • 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 with the idea that agents are the end-users in mind
  • Get your hands dirty by touching our core infrastructure that processes hundreds of thousands of emails per day
  • Think creatively about being the bridge between cutting edge AI capabilities with something as primitive as 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 our customers - we’ll trust you to be our spokesperson

Requirements

  • Solve problems end-to-end: every engineer owns a part of the product and needs to make decisions across the frontend, infrastructure, backend, and UX
  • High bar for quality: obsess about details
  • Clear thinker and communicator
  • Highly technical: prior experience shipping production software by real users as a software engineer at a tech company or startup
  • 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-haves

  • 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

Compensation

  • $250k - $400k base salary
  • 1.0% - 2.0% equity
  • Breakfast, lunch, and dinner (Doordash)
  • Medical, dental, and vision insurance
  • Equinox membership

Skills

APIsDistributed SystemsCloud InfrastructureEmail ProtocolsAuthenticationDeveloper ToolsLow-Latency SystemsInfrastructure EngineeringAi/LlmSystem Design

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