Senior Software Engineer (Backend)

You’ll be responsible for building and scaling the backend systems that power Howie’s AI assistant. From core scheduling logic to integrations with external APIs and LLMs.

• Design and scale backend services that orchestrate scheduling, email, and API integrations.
  

• Build interfaces between backend systems, LLMs, and user-facing clients.
  

• Develop internal trainer and operations tooling to power our human-in-the-loop workflows.
  

• Contribute to architecture decisions and help shape Howie’s technical direction.
  

• Strong experience with TypeScript (strict mode).
  

• Deep understanding of backend fundamentals: concurrency, async jobs, databases, and APIs.
  

• Experience designing and maintaining scalable distributed systems.
  

• 5+ years engineering experience, ideally in startups.
  

• Strong communication skills and ability to move quickly with independence.

• Experience with LLMs or your own AI projects.
  

• Based in Seattle, WA or willing to relocate (we’re in Fremont)

Location: Seattle, WA 🌲
Type: Full Time
Compensation: Competitive salary + meaningful equity
Benefits: 100% employer-covered health, dental, and vision (including dependents), flexible vacation, and whatever hardware/software you need.

Howie is an early-stage applied AI company building the world’s most capable scheduling assistant. Our mission is to give people back hours of their day by automating the coordination work that slows them down. We’re a small, fast-moving team with backgrounds in startups and AI research, backed by some of the best investors in the world.