Mariusz Witkowski

Experienced Senior Frontend/Fullstack Developer | JavaScript/React | Let's build the web together! 🚀 | 📧 [email protected] | #WebDev

[Mariusz Witkowski @mwitkowski91]

I got a 305 points knowledge score on this year’s #StateOfCSS survey! I have used 25 features, and knew 11 more, placing me in the top 100% of all respondents. Can you beat my score? https://t.co/eP6szzxPFX

[Mariusz Witkowski @mwitkowski91]

Uzyskałem współczynnik znajomości 300% w tegorocznej ankiecie #StateOfReact ! Weź udział w ankiecie tutaj: https://t.co/D2wtXjGPxM

[Mariusz Witkowski @mwitkowski91]

Go take the State of JavaScript 2025 survey if you have a minute! https://t.co/axEeAwN9rM

[Mariusz Witkowski @mwitkowski91]

I got a 210 points knowledge score on this year’s #StateOfJS survey! I have used 21 features, and knew 0 more, placing me in the top 5% of all respondents. Can you beat my score? https://t.co/TjC6FYdfA5

[Mariusz Witkowski @mwitkowski91]

Uzyskałem współczynnik znajomości 265% w tegorocznej ankiecie #StateOfHTML ! Weź udział w ankiecie tutaj: https://t.co/BdU0Aqra6h

[Mariusz Witkowski @mwitkowski91]

I got a 415 points knowledge score on this year’s #StateOfCSS survey! I have used 33 features, and knew 17 more, placing me in the top 13% of all respondents. Can you beat my score? https://t.co/ttQz8JGYy6

[Mariusz Witkowski @mwitkowski91]

I’m looking forward for @ViteConf 2024! Check out my themed ticket! https://t.co/SbmCLx8t86

[Mariusz Witkowski @mwitkowski91]

I got a 270 points knowledge score on this year’s #StateOfJS survey! I have used 27 features, and knew 0 more, placing me in the top 0.1% of all respondents. Can you beat my score? https://t.co/1wXDBwLcIM

[Mariusz Witkowski @mwitkowski91]

I got a 320 points knowledge score on this year’s #StateOfReact survey! I have used 29 features, and knew 6 more, placing me in the top 4% of all respondents. Can you beat my score? https://t.co/CyHUixK2yx

[Mariusz Witkowski @mwitkowski91]

I got a 675 pts knowledge score on this year’s #StateOfHTML survey! I have used 47% (62/131) features, and knew 26% (11/42) more. Can you beat my score? https://t.co/dVXX1eFz0g

[Mariusz Witkowski @mwitkowski91]

Just got my ticket for @Nextjs Conf — claim yours!

https://t.co/1tEWGkJ7nd

[Mariusz Witkowski @mwitkowski91]

I got a 91% knowledge score on this year's #StateOfJS survey! Take the survey here: https://t.co/10oaxY2Dl9

[Mariusz Witkowski @mwitkowski91]

I got a 75% knowledge score on this year's #StateOfGraphQL survey! Take the survey here: https://t.co/lVSMuCOmEn

[Mariusz Witkowski @mwitkowski91]

React Conf 2021 https://t.co/eeYuMb3y1c

[Mariusz Witkowski @mwitkowski91]

Just got my ticket for #nextjsconf by @vercel, claim yours!

Let's make the Web. Faster.

https://t.co/WCvJuWa58S

[Mariusz Witkowski @mwitkowski91]

Just got my ticket for a special edition of #nextjsconf, grab yours!

Let's make the web. Faster.

https://t.co/fzznvEpKVM

[Jane Manchun Wong @wongmjane]

Stack Overflow begins to monetize copy & paste,

offers three free copy/pastes trials before having users to buy their new gadget called “The Key”

https://t.co/Abmcfhdfol

[Mariusz Witkowski @mwitkowski91]

I got a 100% knowledge score on this year's #StateOfJS survey! Take the survey here: https://t.co/E4RKx6eSlL

[Mariusz Witkowski @mwitkowski91]

I got a 75% knowledge score on this year's #StateOfCSS survey! Take the survey here: https://t.co/As57LvyDoN