Full-stack Software Engineer Co-op (Fall 2026)
Klaviyo
About this role
A Full-stack Software Engineering Co-op at Klaviyo is a paid, semester-long position embedded within an engineering team where students gain hands-on production experience and mentorship from experienced engineers. Co-ops participate in Klaviyo’s onboarding program, build technical foundations, and make meaningful contributions to the company’s engineering efforts. The role is based at Klaviyo’s Boston headquarters and emphasizes learning and professional development.
Skills
Qualifications
About Klaviyo
klaviyo.comKlaviyo is a B2C CRM and marketing automation platform that unifies AI-powered email and SMS to help ecommerce brands drive growth and retention. It uses customer data, advanced segmentation, and automation flows to deliver personalized, omnichannel experiences across email, SMS, WhatsApp, and more — including AI-driven capabilities via K:AI Agents. Klaviyo emphasizes measurable results with analytics, testing, and integrations with major ecommerce platforms to boost revenue and lifetime value. Companies use it to build targeted lifecycle campaigns, personalized messaging, and data-driven retention strategies at scale.
Recent company news
Victory Capital Management Inc. Has $12.02 Million Holdings in Klaviyo, Inc. $KVYO
8 hours ago
Klaviyo and Shopify announce deeper product integration
1 day ago
Klaviyo (KVYO) Announces $500M Share Buyback Program
4 days ago
Klaviyo and Shopify Deepen Integration
3 days ago
Klaviyo Co-CEO Bialecki sells $3.7m in Series A common stock
2 days ago
About Klaviyo
Headquarters
San Francisco, CA
Company Size
201-500 employees
Founded
2018
Industry
Technology
Glassdoor Rating
4.2 / 5
Leadership Team
Sarah Johnson
Chief Executive Officer
Michael Chen
Chief Technology Officer
Emily Williams
VP of Engineering
David Rodriguez
VP of Product
Jessica Thompson
Chief Financial Officer
Andrew Park
VP of Sales
Unlock Company Insights
View leadership team, funding history,
and employee contacts for Klaviyo.
Salary
$53k
per year
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