Senior Lead Backend Engineer - AI-Native Orchestration

Klaviyo in Boston is seeking a Sr. Lead Software Engineer to architect and scale the Core Orchestration platform, supporting high-traffic, low-latency services with extreme reliability. You will drive AI-driven workflows, adopt AI-native practices, and partner with PMs, data science, design, and executives to shape long-term platform roadmaps. This role requires 8+ years in distributed systems and a proven track record leading backend teams.