# Tech talks - Handbook

We encourage engineers to give tech talks on topics they're interested in/knowledgeable about.

> Recording links are only accessible by the PostHog team.

Here are our talks so far:

-   "PostHog Cloud infrastructure" by [James Greenhill](/community/profiles/30174.md)
-   ["Let's Talk About PyCharm"](https://drive.google.com/file/d/1GV08S638NzY1H0DI7w9ZHNSE4CcVbe6y/view?usp=sharing) by [Marius Andra](/community/profiles/30202.md)
-   "Approaches to scaling" by Karl-Aksel Puulmann
-   ["Databases 101"](https://youtu.be/Cb-Ll5aOLvA) by [James Greenhill](/community/profiles/30174.md)

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