Senior AI Platform Engineer, Customer Agent

Klaviyo

Boston (MA)

On-site

USD 216,000 - 324,000

Full time

14 days+
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Job summary

Klaviyo in Boston is seeking a Senior Staff Engineer for the Applied AI Customer Agent to set technical and product direction for a production-grade, end-to-end agent system. You’ll own architecture, scale, and reliability while remaining hands-on to solve the hardest AI challenges with real impact.

You’ll partner with product, design, data science, and go-to-market teams to shape the roadmap, ship live systems, and mentor through design reviews.

Qualifications

  • Architected, built, and supported a production agentic system end-to-end.
  • Experience securing agents against misuse at scale.
  • Hands-on coding and architecture decisions through production incidents.
  • Able to lead cross-functional teams and influence roadmaps.

Responsibilities

  • Set technical and product direction for Customer Agent core platform.
  • Tackle hardest technical problems: orchestration, evals, guardrails, memory/context.
  • Write and ship code, review designs, and make decisive calls.
  • Mentor through design reviews and build reusable frameworks.
  • Partner with product, design, data science, and GTM to shape roadmap.

Skills

Production systems
Orchestration
Evaluation frameworks
Guardrails
Hands-on coding
Technical leadership

Job description

Klaviyo in Boston is seeking a Senior Staff Engineer for the Applied AI Customer Agent to set technical and product direction for a production-grade, end-to-end agent system. You’ll own architecture, scale, and reliability while remaining hands-on to solve the hardest AI challenges with real impact.

You’ll partner with product, design, data science, and go-to-market teams to shape the roadmap, ship live systems, and mentor through design reviews.

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