Senior AI Engineer (Agent OS Platform)

What this role involves

ServiceTitan is seeking a Senior AI Engineer to build the Agent OS platform, a shared runtime for role-specific AI agents. The role involves designing and implementing core platform services including agent runtime, typed tools, context and memory systems, trust and approval infrastructure, and evaluation/observability. The position requires 7+ years of production software engineering experience and is remote within the US.

Skills this posting asks for

• agent runtime
• workflow execution
• typed tools
• context assembly
• memory systems
• trust and approval flows
• evaluation infrastructure
• observability
• api design
• distributed systems
• python
• typescript
• llm
• model routing
• caching
• structured outputs
• idempotency
• audit trails
• rollback
• tenant policy
• human-in-the-loop
• simulation
• telemetry
• cost optimization

Requirements

• 7 years of experience
• Level: senior
• Remote policy: remote