--- title: How Khan Academy Rewrote their Backend | daily.dev description: Khan Academy recently went through a massive rewrite of their old Python 2 monolith with a services-oriented backend written in Go. We’ll be summarizing the... canonical: https://daily.dev/posts/how-khan-academy-rewrote-their-backend-rit9boj3k twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: How Khan Academy Rewrote their Backend | daily.dev og:description: Khan Academy recently went through a massive rewrite of their old Python 2 monolith with a services-oriented backend written in Go. We’ll be summarizing the... og:url: https://daily.dev/posts/how-khan-academy-rewrote-their-backend-rit9boj3k og:image: https://api.daily.dev/og/posts/rIT9bOJ3K.png og:image:alt: How Khan Academy Rewrote their Backend og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # How Khan Academy Rewrote their Backend **[Quastor Daily](https://daily.dev/sources/quastor)** · 16 min read · 155 upvotes · 6 comments ## Summary Khan Academy recently went through a massive rewrite of their old Python 2 monolith with a services-oriented backend written in Go. We’ll be summarizing the technical choices, execution and results of the rewrite. Plus, a couple awesome tech snippets on How Etsy built their bidding system for Etsy Ads and how Databricks uses Scala at Scale. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Community discussion Top comments from developers on daily.dev. **@idoshamun** · 1 upvotes > Side by side comparison in real time. Legendary! **@nejihyuga** · 1 upvotes > really interesting **@asousajnri** · 1 upvotes > Very good article **@digeomel** · 1 upvotes > Quastor is an oasis in the desert of copy-paste articles with trivial dev information. 👍 **@nadeem818** · 1 upvotes > after reading, planing to learn microservices and rewrote existing software ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 1 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments - [CNCF Unveils Schedule for KubeCon \+ CloudNativeCon Europe 2026](https://daily.dev/posts/cncf-unveils-schedule-for-kubecon-cloudnativecon-europe-2026-ikhcoa5cb) · CNCF · 2 upvotes · 0 comments - [CNCF Debuts KubeCon \+ CloudNativeCon Japan 2026 Schedule](https://daily.dev/posts/cncf-debuts-kubecon-cloudnativecon-japan-2026-schedule-xp5pyudub) · CNCF · 1 upvotes · 0 comments --- Tags: [#backend](https://daily.dev/tags/backend), [#compiler](https://daily.dev/tags/compiler), [#general-programming](https://daily.dev/tags/general-programming), [#python](https://daily.dev/tags/python) [View this post on daily.dev](https://daily.dev/posts/how-khan-academy-rewrote-their-backend-rit9boj3k) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"How Khan Academy Rewrote their Backend","url":"https://daily.dev/posts/how-khan-academy-rewrote-their-backend-rit9boj3k","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/how-khan-academy-rewrote-their-backend-rit9boj3k"},"datePublished":"2021-12-27T18:40:05.575Z","dateModified":"2025-12-08T02:21:09.406Z","description":"Khan Academy recently went through a massive rewrite of their old Python 2 monolith with a services-oriented backend written in Go. 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Legendary!","datePublished":"2021-12-29T19:28:40.652Z","url":"https://daily.dev/posts/rIT9bOJ3K#c-pZK9arR3P","author":{"@type":"Person","name":"Ido Shamun","url":"https://daily.dev/idoshamun","image":"https://media.daily.dev/image/upload/s---xy_OAwk--/f_auto,q_auto/v1703781380/avatars/avatar_28849d86070e4c099c877ab6837c61f0"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1}},{"@type":"Comment","text":"really interesting","datePublished":"2022-01-13T09:45:21.859Z","url":"https://daily.dev/posts/rIT9bOJ3K#c-SBSVx6eOq","author":{"@type":"Person","name":"Saad Aftab","url":"https://daily.dev/nejihyuga","image":"https://lh3.googleusercontent.com/a-/AOh14GhuvGLSifYrkSQ6UOrqVdC09FxeJ_sNRk7dl2rZ=s100"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1}},{"@type":"Comment","text":"Very good article","datePublished":"2022-01-13T14:12:17.831Z","url":"https://daily.dev/posts/rIT9bOJ3K#c-h1SFwZkWf","author":{"@type":"Person","name":"Antônio Sousa","url":"https://daily.dev/asousajnri","image":"https://avatars1.githubusercontent.com/u/51304001?v=4"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1}},{"@type":"Comment","text":"Quastor is an oasis in the desert of copy-paste articles with trivial dev information. 👍","datePublished":"2021-12-29T22:39:24.828Z","url":"https://daily.dev/posts/rIT9bOJ3K#c-wQ3AfLjfe","author":{"@type":"Person","name":"Dimitris","url":"https://daily.dev/digeomel","image":"https://avatars3.githubusercontent.com/u/3295889?v=4"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1}},{"@type":"Comment","text":"after reading, planing to learn microservices and rewrote existing software","datePublished":"2021-12-28T05:35:20.509Z","url":"https://daily.dev/posts/rIT9bOJ3K#c-hDJWfL8IJ","author":{"@type":"Person","name":"Nadeem Ahmed","url":"https://daily.dev/nadeem818","image":"https://media.daily.dev/image/upload/s--0b_LMEUn--/f_auto/v1748625331/avatars/avatar_9Wfpi-U-F?_a=BAMClqUq0"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1}}]} ```