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[ARTICLE · art-98806] src=news.ycombinator.com ↗ pub= topic=developer-tools verified=true sentiment=· neutral

Show HN: SelfUniversity – learn system engineering via interactive puzzles

An 18-year-old developer launched SelfUniversity, a platform that teaches system engineering through interactive puzzles, after solving 826 LeetCode problems with a 430+ day streak and finding the platform lacking in educational value. The site, available at selfuniversity.site, aims to provide a convenient, fast, and always-accessible learning experience that addresses the problem of users forgetting information from traditional reading and note-taking.

read1 min views1 publishedAug 16, 2026

I'm 18, I've solved 826 problems on LeetCode with a 430+ day streak, and I can tell you, it's a dry platform for solving algorithmic little tasks, and it has nothing to do with education. I am not saying it is bad, LeetCode is actually awesome, but it just does not teach you anything.

I came here to fix this exact problem. When you want to solve a new problem, you often run into the fact that you're seeing it for the first time, especially the topics that are in there. And then going off to read lectures or articles is not ideal, because you need to solve the problem here and now (otherwise it'd be constant context switching), not waste a ton of time on it, especially on those complicated problem statements.

All of the above can be applied to a lot of things in general, like reading docs, articles, AI slop, and other materials. The deal is simple: you find some info, read it, take notes, then you never come back to them (because it's long and boring to reread), and you forget it all.

So I started fixing all of these problems — convenient, fast, always at hand, and it's selfuniversity

Welcome:

[https://selfuniversity.site](https://selfuniversity.site)

Comments URL: [https://news.ycombinator.com/item?id=49320280](https://news.ycombinator.com/item?id=49320280)

Points: 1

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