Staff Engineer

About The Role

You've seen what happens when systems hit scale, and you know which parts to rebuild before they break. This isn't a management role. You're the most experienced builder on the team, and the CTO's partner on every architectural decision that matters.

Responsibilities

• Make hard architectural tradeoffs and own the outcome: Durable Object SQLite vs. shared Postgres for session state. Cloudflare Workers CPU limits vs. longer-running workloads. Single-tenant sandboxes vs. multi-tenant pools. You decide, you migrate, you ship.
• Design the system that handles concurrent agent sessions across integrations, an agent responding to an iMessage, checking Calendar, drafting a Slack reply, and updating Linear, all within one session with consistent state.
• Define reliability and observability standards for a ~20-person team: SLOs, error budgets, tracing strategy, incident response patterns that actually work at our scale.
• Review every significant PR.
• Set technical direction without blocking velocity.
• Your pattern recognition from prior scale experience is the product.
• Ship code daily.
• Architectural leadership without output is a consulting engagement, not a job.
• Plus whatever you see that needs building.

Requirements

• You have 8+ years as an IC engineer.
• You've been Staff or Principal at a company with real scale, but you left (or want to leave) because you want to build, not attend architecture review meetings.
• You've built and operated systems that serve millions of users.
• You know the failure modes of distributed state, real-time streaming, and multi-tenant isolation, not from papers, from production.
• You have recent, hands-on AI/LLM work.
• You've built agent systems, model routing layers, or tool-use architectures.
• You understand why tool execution in an agentic loop is fundamentally different from request-response.
• You're fluent in TypeScript and productive in it on day one. The entire stack is TypeScript.
• You've left a comfortable role because the work stopped being interesting.
• You want real ownership and real risk.

Bonus

• Strong opinions on agent runtimes (Durable Objects vs. actors vs. microservices) and deployment strategies for long-running processes.
• Experience with Cloudflare Workers at scale.
• Contributions to or maintenance of significant open source projects.

Compensation & Benefits

• Base salary: $280K–$400K
• Significant equity
• Health, dental, 401(k)
• Considerable PTO
• Gym budget
• Lunch