Sr. Staff Engineer, Applied AI (Customer Agent)

The role

You will set technical and product direction for the Customer Agent platform. You will build a 0-to-1 agentic product and solve hard technical problems like orchestration, evaluation, and guardrails.

What you will do

• Set technical and product direction for Customer Agent core platform
• Solve technical problems including orchestration, evaluation, guardrails, memory, and failure handling
• Write and ship code
• Review designs
• Build architecture and frameworks for other engineers and teams to adopt
• Mentor through design reviews
• Partner with product, design, data science, and go-to-market leaders to shape the roadmap
• Evaluate emerging AI technologies for production

Required qualifications

• Architected, built, scaled, and supported a production agentic system end to end
• Experience with real orchestration, evals, guardrails, and non-deterministic failure handling
• Experience securing agents against misuse and abuse
• Experience setting technical and product direction for an entire product area
• Hands-on experience writing code, reviewing architecture, and debugging production issues
• Experience creating architecture and frameworks reused by other teams
• Ability to communicate complex technical trade-offs to engineering, product, and executive audiences

Nice to have

• Experience running a multi-tenant agent platform at production scale
• Experience building 0-to-1 products or working in startup environments
• Track record with production evaluation systems, AI observability, or human-in-the-loop workflows

Benefits

• Annual cash bonus plan
• Equity
• Sign-on payments
• Health, welfare, and wellbeing benefits

About the company

Klaviyo empowers creators to own their destiny by making first-party data accessible and actionable. They build AI systems that power how brands run their businesses.