WarsawJS Talk English

Javascript demons and how to find them

Presented at Meetup #132 Wed, Nov 12, 2025
Location 42 Warsaw, al. „Solidarności" 171B, 00-877 Warsaw

About this Talk

I will go over Javascript drawbacks and quirks with the most substantial impact, and explain where they started. These will include inherent security flaws of both the language and the ecosystem, syntax/runtime quirks that cause the most needless errors. Then I will present how entire companies started just to mitigate some of these flaws.

Maciej Papiewski

Maciej Papiewski

Tech Lead at LUX MED

I'm a passionate full stack engineer, loving both the people&product side of our industry, and the low level tech details. Currently working as a tech lead at LUX MED, where I can experience a great blend of engineering for a big company with substantial scale and great culture. I'm a fanatic of the Javascript ecosystem, with some small Open source contributions to Gatsbyjs plugins. I used next in production way before it was cool :slightly_smiling_face:

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