GrepJob
Klaviyo

Sr. Lead Engineer - Customer Agent

Klaviyo
Apply
about 9 hours ago
Boston, MA, USASenior / Staff+
H1B Sponsor

Base Salary

$216k - $324k/yr

Responsibilities

  • Lead the architecture, design, and implementation of Customer Agent’s core platform and AI capabilities.
  • Drive technical strategy and long-term system evolution for conversational AI experiences serving millions of users.
  • Build and ship complex AI-powered product features, balancing speed, quality, reliability, and customer impact.
  • Partner closely with Product, Design, Data Science, GTM, and Engineering leaders to define product direction and execution plans.
  • Make critical technical decisions around agent architectures, orchestration frameworks, retrieval systems, memory, tool use, evaluation, and reliability.
  • Establish engineering best practices around observability, testing, monitoring, experimentation, and operational excellence for AI systems.
  • Lead large, cross-functional initiatives spanning multiple teams and organizations.
  • Mentor engineers through technical leadership, design reviews, architecture discussions, and hands-on collaboration.
  • Evaluate emerging AI technologies and frameworks, identifying opportunities to create meaningful customer value.
  • Influence engineering standards and contribute to the broader technical direction of Klaviyo’s AI platform.

Requirements

  • 12+ years of software engineering experience building and operating production systems at scale.
  • Significant experience designing and shipping customer-facing AI-powered products or agentic systems.
  • Strong backend engineering and distributed systems fundamentals.
  • Demonstrated expertise with modern AI architectures, including LLM-powered applications.
  • Proven ability to lead complex, multi-quarter technical initiatives involving multiple teams and stakeholders.
  • Strong product instincts and the ability to connect technical decisions to customer and business outcomes.
  • Excellent communication and collaboration skills across engineering, product, design, and executive audiences.
  • Hands-on builder who enjoys working directly in code and tackling difficult technical problems.
  • Track record of influencing engineering organizations through technical leadership, mentorship, and execution excellence.

Categories