Lead Engineer, Applied AI (Customer Agent)

🇺🇸 Boston, Massachusetts
$2K - $3K Annual
Posted 2 days ago
Expires December 21, 2026

Klaviyo is seeking a Lead Engineer for their Applied AI Customer Agent team in Boston, MA. This team is dedicated to developing conversational AI systems that enable brands to provide customer support at an unprecedented scale. As a Lead Engineer, you will play a pivotal role in shaping the technical and product direction of the Customer Agent platform, working alongside a dynamic team to build and scale AI-driven solutions.

In this role, you will be responsible for setting the technical and product direction for a core area of the Customer Agent platform, from architecture through production. You will tackle complex technical challenges, including orchestration, evaluation, guardrails, memory and context management, and failure handling for non-deterministic systems. Your work will involve writing and shipping code, reviewing designs, and making critical decisions to ensure the platform's success. Additionally, you will define engineering patterns adopted by other engineers and mentor through design reviews.

The ideal candidate will have experience building, scaling, and supporting production agentic systems, with a strong background in orchestration, evaluations, guardrails, and non-deterministic failure handling. You should have a proven track record of owning technical and product direction for significant areas, demonstrating hands-on expertise in writing code, reviewing architecture, and debugging production issues. Effective communication of complex technical trade-offs across engineering and product teams is essential.

Klaviyo offers a competitive base salary ranging from $176,000 to $264,000 USD, with additional compensation components such as annual cash bonuses, equity, and a comprehensive benefits package. The role is based in Boston, MA, and requires in-office presence.

Joining Klaviyo means becoming part of a diverse and innovative team committed to empowering creators to own their destinies. The company fosters a collaborative environment where employees are encouraged to bring their unique perspectives and experiences to the table. Klaviyo values continuous learning and growth, providing opportunities for professional development and the chance to make a significant impact in the AI and e-commerce sectors.

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