Companies Klaviyo

Klaviyo

Boston

Total Offices: 6

2,400 Total Employees

600 Product + Tech Employees

Year Founded: 2012

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Sales 30 Engineering 25 AI & Machine Learning 24 Marketing 12 HR & Recruiting 11 Product Management 8 Customer Success & Experience 6 Finance 6 Data & Analytics 5 Program & Project Management 5 Cybersecurity 4 Design 4 Operations & Support 4

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Articles about Klaviyo

Featured Articles

The larger Klaviyo data science team at a recent team building event

Kim Conway

Published on December 02, 2025

Klaviyo Data Science Team Culture: How a Customer-Minded Approach Leads to Better Products

The data science team, in collaboration with their customer base, recently launched an AI-powered tool to ease the writer’s block woes that come with crafting a top-notch marketing email. Here’s how it all came together.

Brand Studio

Built In Staff

Updated on March 25, 2025

Marketing Platform Klaviyo Appoints New Chief People Officer

Carmel Galvin, formerly of Stripe, brings two decades of HR leadership experience to the role.

Built In Staff

Updated on March 25, 2025

Marketing Platform Klaviyo Hires Chief Technology Officer

Data and engineering veteran Surabhi Gupta joins Klaviyo’s team to help enhance its product value.

All Articles

Olivia McClure

Updated on June 29, 2026

Growing Companies With Cutting-Edge Tech and Big Ideas

Team members from Bose, BAE Systems, Klaviyo, Ahold Delhaize USA and other hiring companies share how they encourage experimentation and use tools like AI to accelerate product development.

Olivia McClure

Updated on November 19, 2025

Working Smarter, Not Harder: How AI is Empowering These Engineers

Learn how AI has helped engineering teams at Dynatrace, Capco, Lowe’s and elsewhere drive high-impact innovation.

Olivia McClure

Updated on December 01, 2025

Klaviyo Sales Team Leadership: 2 Leaders Share the Philosophies That Fuel Success on Their Teams

Outbound Business Development Manager Taylor Chinitz and Sales Director Alex Santangelo outline the leadership principles that help their teams thrive.

Olivia McClure

Updated on March 03, 2026

20 Companies to Watch This Summer

These organizations are making waves across the tech industry by investing in powerful technology — and empowering cultures.

Olivia McClure

Updated on April 09, 2026

How These 17 Technologists Landed Their Dream Jobs

Learn how our featured employees have forged fulfilling careers by leaning into the right opportunities and seeking support from others.

Brigid Hogan

Updated on March 25, 2025

Honoring the Past, Shaping the Future on Women’s Equality Day

From the earliest days of computing to today’s trailblazers, women have always contributed to groundbreaking tech advancements. One leader shares how Klaviyo is building a more inclusive tech future.

Conlan Carter

Updated on August 02, 2024

12 Teams Talk AI and the Inventive Ways They Make the Most of It

In a world where businesses are still discovering exciting new ways to use AI, these teams are joining in.

Mia Goulart

Updated on September 25, 2025

How Klaviyo’s Newest Multi-Account Management Tool Improves Efficiency for Its Users

Time is valuable. That’s why Klaviyo launched Klaviyo portfolio.

Brand Studio

Klaviyo’s Newest Multi-Account Management Tool Improves Efficiency for Its Users

Lucas Dean

Updated on March 25, 2025

How These Senior Engineers Drive Innovation and Connect With the Local Tech Community

Discover how top engineers at Klaviyo and WHOOP contribute to Boston’s vibrant tech culture and help shape the city’s tech community.

Mia Goulart

Updated on February 29, 2024

AI in Data Science: How Large Language Models Help Companies Grow

AI continues to be at the center of the tech conversation — especially for these six companies.

Brand Studio

Recently posted jobs

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Klaviyo

Sr. Lead Engineer, Applied AI (Customer Agent)

9 Hours AgoSaved

Easy Apply

Hybrid

Boston, MA, USA

Easy Apply

Consumer Web • eCommerce • Marketing Tech • Retail • Software • Analytics • Generative AI

Lead architecture, design, and delivery of Klaviyo's Customer Agent conversational AI platform. Drive technical strategy, build scalable AI-enabled features, establish observability and reliability practices, mentor engineers, and coordinate cross-functional initiatives to deliver production agentic systems for millions of users.

Klaviyo

Sr. Lead Engineer, Applied AI (Customer Agent)

9 Hours AgoSaved

Easy Apply

Hybrid

Boston, MA, USA

Easy Apply

Consumer Web • eCommerce • Marketing Tech • Retail • Software • Analytics • Generative AI

Lead architecture, design, and implementation of a scalable conversational AI platform (Customer Agent). Drive technical strategy for LLM-powered agentic systems, retrieval, orchestration, memory, evaluation, and reliability. Ship AI product features, establish observability/testing/operational best practices, lead cross-functional initiatives, mentor engineers, and evaluate emerging AI technologies to deliver reliable customer-facing experiences.

Klaviyo

HRIS Manager (Workday)

9 Hours AgoSaved

Easy Apply

Hybrid

Boston, MA, USA

Easy Apply

Consumer Web • eCommerce • Marketing Tech • Retail • Software • Analytics • Generative AI

As a Manager of People Technology at Klaviyo, you will oversee Workday modules, enhance user experience, improve systems through AI, and lead projects. Responsibilities include collaborating with stakeholders, managing compliance, coaching team members, and driving system optimizations.

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