Klaviyo

We're on a mission to be the platform businesses use to email and communicate with customers. No more spam, just interesting, relevant content.

Founded 2012
1001-1500 employees
  • eCommerce
  • Analytics & Business Information
  • Digital Communication
  • Headquarters address
    125 Summer Street, Boston, MA 02116, USA
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    Klaviyo™ is a unified customer platform that gives online brands direct ownership of their consumer data and interactions, empowering them to turn transactions with customers into long-term relationships—at scale. With Klaviyo, brands can combine unlimited customer data with more than 250 native integrations to automate personalized email and SMS communications that make customers feel seen. Klaviyo makes it easy—no need to start from scratch, piece together multiple platforms, or rely on third-party marketplaces and ad networks. From mom-and-pop shops to established companies, innovative brands like Unilever, Bonobos, Taylor Made, Citizen Watches, and more than 90K other paying users leverage Klaviyo to acquire, engage, and retain customers—and grow on their own terms. Learn more at klaviyo.com. #Klaviyo

    Tech stack

    Python, Django, Java, Celery, Kafka, MySQL, PostgreSQL, Cassandra, RabbitMQ, Redis, HTML, Javascript, Backbone.js, React, AWS, Aurora, Amazon Relational Databases (RDS), EC2, Terraform, Fabric.io, Apache ZooKeeper, Kubernetes

    Benefits

    Compensation and retirement

    Stock Options
    RSUs (Restricted Stock Units or Awards)
    401k plan
    401k matching
    Commuter assistance plans

    Health and wellness

    Insurance (Health)
    Insurance (Dental)
    Insurance (Vision)
    Insurance (Life)
    Insurance (Disability)
    FSA (Flexible Spending Plan)
    On-site fitness center
    Fitness reimbursement
    Mental health benefits

    Vacation and time off

    Paid time off
    Unlimited time off
    Paid holidays
    Flexible working hours
    Work from home flexibility
    Maternity benefits
    Paternity benefits
    Adoption assistance

    Personal development

    Tuition reimbursement
    Management training
    Job training
    Conferences reimbursement
    Internship program
    Hackathons
    Mentorship opportunities
    Career growth

    Values and quality of life

    Diversity program
    Accessible via public transportation
    Bike parking
    Employee groups and committees
    Snacks and beverages
    Catered meals
    Matching charitable donations
    Company activities
    Games and recreation
    Social impact
    Klaviyo - Company Photo
    Klaviyo - Company Photo
    Klaviyo - Company Photo
    Klaviyo - Company Photo
    Klaviyo - Company Photo
    Klaviyo - Company Photo
    Klaviyo - Company Photo