Klaviyo
Sr. Lead Engineer, Applied AI (Customer Agent)
$216K–$324K
Boston, MA +1 · Senior · Full-time · Posted Jul 29, 2026
- Location
- Boston, MA
Boston, Massachusetts, United States
About the job
Set the technical and product direction for Klaviyo’s Customer Agent, building and operating a production conversational AI platform for brands and remaining hands-on with its hardest engineering problems.
What you'll do
- Lead platform architecture and product direction from development through production.
- Build and improve agent orchestration, evaluation, guardrails, memory and context, and failure handling; write code and debug production issues.
- Create reusable frameworks, mentor through design reviews, and partner with cross-functional leaders on the roadmap.
What they ask for
- Experience architecting, building, scaling, and supporting a production agentic system end to end, including orchestration, evaluations, guardrails, and non-deterministic failure handling.
- Prior experience setting technical and product direction for an entire product area and shipping work adopted by other teams.
- Hands-on production engineering experience, including handling incidents and reliability, security, and misuse risks.
- Clear communication of technical trade-offs and ability to turn undefined problems into plans across engineering, product, and executive audiences.
Nice to have
- Experience running a multi-tenant agent platform at production scale.
- Experience with 0-to-1 products, production evaluation systems, AI observability, or human-in-the-loop workflows for LLM-powered products.
Pay
$216,000 — $324,000 USD (base salary)
AI focus
Build and operate a production conversational AI agent platform, including orchestration, evaluations, guardrails, memory and context, reliability, and failure handling.
Model-written summary · the original posting is authoritative