Senior AI Orchestration Engineer

Klaviyo in Boston seeks a Sr. Lead Software Engineer to architect and scale our Core Orchestration platform, delivering high-traffic, low-latency services with reliability. You will drive AI-driven workflows and shape the platform's long-term architecture. You'll lead a distributed backend team, mentor engineers, collaborate with PMs, data science, and executives, and champion best practices in AI-native development, testing, and observability as our hub expands globally.