Companies Klaviyo

Klaviyo

Boston

Total Offices: 6

2,400 Total Employees

600 Product + Tech Employees

Year Founded: 2012

View Website

We're Hiring!

Sales 54 Engineering 26 Customer Success & Experience 15 Product Management 10 Cybersecurity 9 AI & Machine Learning 9 Marketing 9 Operations & Support 8 Design 5 Finance 5 Consulting 4 HR & Recruiting 4 Program & Project Management 4

View all jobs

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

See all jobs at Klaviyo

Klaviyo

Account Executive Commercial, Spanish Speaker

2 Hours AgoSaved

Easy Apply

Hybrid

Dublin, IRL

Easy Apply

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

Own the full sales cycle to build Klaviyo's EMEA client base: qualify, demo, and close net-new MarTech SaaS deals, manage a high-volume pipeline, outbound to prospects, support and mentor peers, and drive long-term territory growth.

Klaviyo

Lead Software Engineer, Messaging Infrastructure

2 Hours AgoSaved

Easy Apply

Hybrid

Dublin, IRL

Easy Apply

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

Lead technical design and delivery of Klaviyo's messaging pipeline, building scalable backend services (Python/Go), driving architecture, mentoring engineers, collaborating across product, compliance, and platform, and ensuring high-throughput, reliable message delivery at scale.

Klaviyo

Sr. Software Engineer, Messaging Infrastructure

2 Hours AgoSaved

Easy Apply

Hybrid

Dublin, IRL

Easy Apply

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

Design, build, and own highly scalable, highly available messaging infrastructure that processes hundreds of millions to billions of messages daily. Collaborate across teams on architecture, performance, monitoring, and reliability; mentor engineers; improve development and experimentation processes; participate in hiring and technical design.

see all jobs at Klaviyo

Klaviyo FAQs

What's It Like to Work at Klaviyo?

What's the Company Culture Like at Klaviyo?

Klaviyo Inclusion & Diversity

Klaviyo Career Growth & Development

Klaviyo Compensation & Benefits

What's the Work-Life Balance Like at Klaviyo?

Klaviyo Leadership & Management

Klaviyo Innovation & Technology Culture

Klaviyo Company Growth, Stability & Outlook