Lead AI Engineer, Customer Agent — Production Orchestration

Klaviyo; Boston (MA); On-site; USD 176,000 - 264,000; Full time

Job summary

Klaviyo in Boston is seeking a Lead Engineer for Applied AI in the Customer Agent team. You’ll set the technical and product direction for a core area, and build a 0-to-1 agentic product with startup speed, backed by the resources of a major tech company, while staying hands-on with the hardest problems yourself.

This lead role spans orchestration to governance, grows based on product needs, and requires ownership of complex problems, operational reliability, and collaboration across product,

Responsibilities

• Set the technical and product direction for a core area of Customer Agent, from architecture through production.
• Take on the hardest technical problems in your area: orchestration, evaluation, guardrails, memory & context, failure handling for non-deterministic systems.
• Write and ship code, review designs, and make the hard calls in your area when there’s no obvious right answer.
• Define patterns that other engineers adopt, and mentor through design reviews rather than direct management.
• Partner with product, design, data science, and go-to-market leaders to shape what gets built, not just how it’s built.
• Evaluate emerging AI technologies and bring the ones worth betting on into production.

Job description

Klaviyo in Boston is seeking a Lead Engineer for Applied AI in the Customer Agent team. You’ll set the technical and product direction for a core area, and build a 0-to-1 agentic product with startup speed, backed by the resources of a major tech company, while staying hands-on with the hardest problems yourself.

This lead role spans orchestration to governance, grows based on product needs, and requires ownership of complex problems, operational reliability, and collaboration across product,