Klaviyo
Staff Engineer, Applied AI (Customer Agent)
$176K–$264K
Boston, MA +1 · Staff · Full-time · Posted Sep 11, 2026
- Location
- Boston, MA
Boston, Massachusetts, United States
About the job
Sets technical and product direction for a core area of Klaviyo’s Customer Agent, building and operating production conversational AI systems for brands.
What you'll do
- Own architecture and delivery of a core product area from design through production, and help shape the overall platform.
- Build and ship code while addressing agent orchestration, evaluation, guardrails, memory and context, and failure handling.
- Establish reusable engineering patterns, mentor through design reviews, and partner with product, design, data science, and go-to-market teams.
What they ask for
- Has built, scaled, and supported production agentic systems through launch and ongoing operations, including orchestration, evaluations, guardrails, and non-deterministic failure handling.
- Has experience securing agents against misuse and abuse and maintaining reliability as usage grows.
- Has owned technical and product direction for a significant area and shipped designs adopted by other engineers.
- Hands-on coding, architecture review, production debugging, and clear communication of technical trade-offs.
Nice to have
- Experience with a production-scale multi-tenant agent platform.
- Experience building 0-to-1 products, production evaluation systems, AI observability, or human-in-the-loop workflows for LLM-powered products.
Pay
$176,000 — $264,000 USD (base salary)
AI focus
Build and operate production conversational agentic AI, including orchestration, evaluations, guardrails, memory and context, reliability, and security; assess emerging AI technologies for production use.
Model-written summary · the original posting is authoritative