Tech stack at Klaviyo

Technologies mentioned in active postings over the trailing 26 weeks.

Updated Jul 31, 2026

Klaviyo appears across 6 technologies in its active postings. git is the most common, with 8 active postings.

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• git

  8

  devtool

• typescript

  8

  language

• rust

  6

  language

• javascript

  3

  language

• ruby

  3

  language

• next.js

  1

  framework

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