Sr. Lead Engineer, Applied AI (Customer Agent) is open at Klaviyo in Boston. The posting gives no salary; similar roles in the United States advertise a median of $235K. Posted on Jul 29, 2026, and still on Klaviyo’s careers page when we last checked, on Nov 14, 2026.
About the role
As Senior Lead Engineer, you'll set technical and product direction for Customer Agent end to end, building a 0-to-1 agentic product with the speed and ownership of a startup, backed by the scale and resources of one of the most innovative tech companies on the East Coast, while staying hands-on with the hardest problems yourself. This is a principal-caliber individual contributor role: we're looking for an engineer…
The opening lines of the posting. The rest is on Klaviyo’s careers page.
Hiring at Klaviyo
Klaviyo has 148 open roles right now. Most are in Engineering, Sales & Business Development and Marketing & Community. See all its roles
