Lead AI Software Engineer
KlaviyoBoston, Massachusetts, United States
Posted September 25, 2025
188000 - 282000 USD year
Full Time
About the Company
Klaviyo is a CRM platform specialized for B2C brands, offering integrated marketing automation, analytics, and customer service. Its built-in data platform and AI insights enable businesses to deliver personalized 1:1 experiences at scale, enhancing efficiency and driving revenue. Distinctive in its unified solution, Klaviyo serves over 167,000 brands including Mattel and Glossier.
Job Description
Klaviyo is seeking a Lead Software AI Engineer to lead the design and development of scalable backend systems and AI-powered user experiences for their clients. This role involves collaboration with product managers, machine learning engineers, and data scientists to build state-of-the-art AI products. The engineer will focus on backend systems, LLMs, and agentic AI, working in a fast-paced, startup-like environment. The company empowers creators to own their destiny and is focused on data-driven customer experience.
Requirements
- 7–10 years of professional software engineering experience, with a focus on backend systems and distributed architectures.
- Recent, hands-on experience with AI/ML and LLMs (fine-tuning, evaluation, production deployment).
- Proven ability to design and scale distributed systems.
Benefits
- Comprehensive health, welfare, and wellbeing benefits
- Participate in the company’s annual cash bonus plan
- Equity
