Klaviyo
Software Engineer Co-op (Spring 2027)
Boston, MA +1 · Internship · Posted Sep 12, 2026
- Location
- Boston, MA
Boston, Massachusetts, United States - Experience
- At least one previous software engineering internship or co-op.
- Education
- Currently pursuing a degree in Computer Science, Engineering, Data Science, Math/Statistics, or a related field.
- Visa sponsorship
- Not eligible for immigration sponsorship.
About the job
Build, test, ship, and maintain production software features on a Klaviyo engineering team, contributing to scalable systems and customer-facing products.
What you'll do
- Own feature and project lifecycles, from development and testing through release and ongoing improvement.
- Debug issues locally and in production; contribute documentation and incident support.
- Collaborate with engineers and product teammates to ship and improve software, using AI tools in your work.
What they ask for
- At least one previous software engineering internship or co-op with hands-on software development experience.
- Currently pursuing a degree in Computer Science, Engineering, Data Science, Math/Statistics, or a related field.
- Graduating in December 2027 or May/June 2028.
Nice to have
- Experience with one or more listed technologies and languages: Python, Django, Typescript, React, Go, MySQL, Cassandra, Clickhouse, Kafka, Redis, AWS, or Terraform.
- Prior experimentation with AI in work or personal projects.
Pay
$49.50 — $60.50 USD (base salary)
Tools
Python, Django, Typescript, React, Go, MySQL, Cassandra, Clickhouse
AI focus
Expected to use AI tools to support work and improve workflows; the posting also describes AI-focused engineering pillars and projects, including AI-powered customer service and AI-assisted build validation.
Model-written summary · the original posting is authoritative