Sr. Lead AI Engineer

At Klaviyo, we're looking for a Sr. Lead AI Engineer to join our AI & Analytics organization. As a technical leader, you'll be responsible for defining and improving the engineering architecture for Service and Marketing AI capabilities. You'll lead the design of scalable, low-latency backend systems and APIs that power our AI products and agents for 183K+ customers, handling billions of events and interactions. You'll also be located in our new Palo Alto office and will help shape how Palo Alto collaborates with Boston and global teams.

Requirements

• Seasoned backend engineer & tech lead with 8+ years of professional software engineering experience
• Hands-on with generative & agentic AI in production
• Deep experience with large-scale distributed systems
• Strong Python and data tooling fluency
• Production-grade cloud experience
• Evaluation and quality-obsessed
• Technical leader, not just individual contributor
• Collaborative and customer-first

Benefits

• Generous Paid Time Off
• 401k Matching
• Retirement Plan
• Visa Sponsorship
• Four Day Work Week
• Generous Parental Leave
• Tuition Reimbursement
• Relocation Assistance