Software Engineer I with AI & Equity Options

Engg; Boston (MA); On-site; USD 90,000 - 120,000; Full time

Job summary

Klaviyo is seeking a Software Engineer I intern/coop to own features used by 180k+ customers. You will manage the full lifecycle of code, from writing and testing to shipping and ongoing improvement.

Expect hands-on debugging, collaboration, and documentation as part of an always-learning culture. You will work across the stack, from back-end to front-end, using Python, Django, Typescript, React, Go, and AWS, with emphasis on rapid iteration and ownership.

Qualifications

• Two internship/co‑op roles with production‑level code.
• Currently pursuing a degree in Computer Science, Engineering, Data Science, Math/Statistics, or related field.
• Graduating in December 2026 or May/June 2027.

Responsibilities

• Own features for 180k+ paying customers and drive full lifecycle of code.
• Own mission, technical direction and operation of impactful projects.
• Build, test, ship, and improve features; debug issues in production and on local.
• Contribute to documentation and support the team during incidents.

Skills

Python

Django

Typescript

React

Go

MySQL

Cassandra

Clickhouse

Kafka

Redis

AWS

Terraform

Education

Pursuing CS/Engineering/Data Science degree

Job description

Klaviyo is seeking a Software Engineer I intern/coop to own features used by 180k+ customers. You will manage the full lifecycle of code, from writing and testing to shipping and ongoing improvement.

Expect hands-on debugging, collaboration, and documentation as part of an always-learning culture. You will work across the stack, from back-end to front-end, using Python, Django, Typescript, React, Go, and AWS, with emphasis on rapid iteration and ownership.