Klaviyo
Lead Engineer, Applied AI (Customer Agent)
$176K–$264K
Boston, MA +1 · Full-time · Posted Jul 17, 2026
- Location
- Boston, MA
Boston, Massachusetts, United States
About the job
Leads the technical and product direction of a core Customer Agent area, building and operating production conversational AI systems while remaining hands-on with engineering.
What you'll do
- Set direction for a core product area, from architecture through production, and contribute to platform direction.
- Build, evaluate, and improve agent orchestration, guardrails, memory and context, and failure handling; ship code and debug production issues.
- Establish reusable engineering patterns, mentor through design reviews, and partner with product, design, data science, and go-to-market teams.
What they ask for
- Built, scaled, and supported production agentic systems through launch and ongoing operations, including orchestration, evaluations, guardrails, and non-deterministic failure handling.
- Experience securing production agents against misuse and abuse and maintaining reliability as usage grows.
- Owned technical and product direction for a significant area, with a shipped design adopted by other engineers.
- Hands-on engineering experience, including coding, architecture reviews, and debugging production issues; able to communicate trade-offs and turn ambiguous problems into plans.
Nice to have
- Experience with a production-scale multi-tenant agent platform or building 0-to-1 products / working in startups.
- Track record with production evaluation systems, AI observability, or human-in-the-loop workflows for LLM-powered products.
Pay
$176,000 — $264,000 USD (base salary)
Tools
AI, LLM
AI focus
Build and operate a conversational AI customer-support agent, including orchestration, evaluation, guardrails, memory and context, reliability, and production deployment.
Model-written summary · the original posting is authoritative