Callstack Engineers @callstackio
We enable engineering teams to scale apps across mobile, web, and TV. Core Contributors to React Native. Creators of @rockjs_dev, @repack_rn and @reactuniverse_ callstack.com Wroclaw, Poland Joined August 2016-
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Live Dev Session: Week 39 React & React Native Rundown x.com/i/broadcasts/1…
Trading apps push mobile stacks to the limit. For @Questrade, we profiled user interactions and applied TurboModules for gRPC, React 18 Transitions, virtualized lists, and smarter TanStack Query caching. The result: faster startup and smoother interactions. Case study 👇
Practical insights for React Native devs working with Animated + Reanimated together, and what it takes to make smooth interop possible ⬇️
Practical insights for React Native devs working with Animated + Reanimated together, and what it takes to make smooth interop possible ⬇️
Star the repo ⭐ a bunch of new tooling dropping soon 🚀 github.com/lynx-community…
React Native AI is our suite of tools for running local, on-device AI. We believe this is where mobile AI is heading. Today we have providers for both Apple Intelligence and MLC providers, and Android support is in the works. Expect it in about a month!
React Native AI is our suite of tools for running local, on-device AI. We believe this is where mobile AI is heading. Today we have providers for both Apple Intelligence and MLC providers, and Android support is in the works. Expect it in about a month!
One of the most common errors in React Native development on Android is “Unable to load script”. We put together a clear troubleshooting guide covering Metro, ports, and network configs to help you solve the issue quickly.
One of the most common errors in React Native development on Android is “Unable to load script”. We put together a clear troubleshooting guide covering Metro, ports, and network configs to help you solve the issue quickly.
It's now our tradition to host a weekly live stream to discuss all things happening in the React Native community. We hope you've been enjoying them! ✨ What began as an hour has now grown to two, and it looks like we're on track for three! Join us next time! 📹
It's now our tradition to host a weekly live stream to discuss all things happening in the React Native community. We hope you've been enjoying them! ✨ What began as an hour has now grown to two, and it looks like we're on track for three! Join us next time! 📹
Liquid Glass is part of Apple’s latest design language in iOS 26. Check out the guide on how to use it and best practices! ⬇️
Liquid Glass is part of Apple’s latest design language in iOS 26. Check out the guide on how to use it and best practices! ⬇️
Live Dev Session: Week 37 React & React Native Rundown x.com/i/broadcasts/1…
We helped @Dream11 reduce their React Native bundle from 50MB to 11MB; that’s a 78% cut. The result: faster performance across devices, especially for their 120M+ users on low-end hardware.
In Prague next week? Catch @ChmalSzymon at The Spark as he breaks down how he hacked React Native DevTools. No forks needed. 📅 Sept 16, 6–10 PM, Prague, Czech Republic guild.host/events/the-spa…
See you all tomorrow!

Marc @mrousavy
19K Followers 676 Following CEO @margelo_com – core contributor @reactnative – angel investor - wannabe racing driver - I built VisionCamera, Nitro Modules and react-native-mmkv
Jamon @jamonholmgren
29K Followers 4K Following Say hi, I'm friendly! ∞ @infinite_red founder ⚛️ @ReactNativeRdio host 🚁 @jammingames 🥅 Hockey goalie ✝️ Lutheran 🙎🏼♂️🧒🏼👧🏼👧🏼 Dad x4 👶 Gpa x1
Seb ⚛️ ThisWeekIn... @sebastienlorber
50K Followers 5K Following 🔥 Join 40k devs - Stay up-to-date with React: • 📨 https://t.co/DvLGHeLY5G • @ThisWeekInReact • @docusaurus maintainer • 🇫🇷
Software Mansion @swmansion
19K Followers 315 Following We are a developer experience lab & software agency from Kraków, organizers of @appjsconf, and contributors to @ReactNative, @Expo, and @ElixirMembrane.
Krzysztof Magiera @kzzzf
14K Followers 588 Following Director of engineering @swmansion. Ex @reactnative core at @facebook. Author: gesture-handler, reanimated, rn-screens. Building Radon IDE 🛠️ https://t.co/c1W2EpOzd3
Lorenzo 'kelset' Scia... @Kelset
8K Followers 1K Following senior engineer & ecosystem builder otaku at heart currently: indie consulting (javascript, OSS, strategy) prev: @sovtechagency, @microsoft & @reactnative
Tomasz Sapeta @tsapeta
6K Followers 312 Following Author of Expo Modules API on iOS 🚀 Into cycling 🚴♂️ traveling 🌍 and photography 📸 Previously @swmansion and @expo
Michał Pierzchała @thymikee
7K Followers 514 Following Principal Engineer for Open Source @callstackio. Core @jestjs_ 🃏 and @reactnative Community contributor. Made @twentttyapp
Mike @grabbou
14K Followers 771 Following cto and founder @callstackio, core team @reactnative. i love cars 🏎️
Enzo Manuel Mangano @reactiive_
8K Followers 382 Following Creating tutorials about React Native animations https://t.co/nispzrZPWB My animations course https://t.co/5ZtLn2yvWj
nader dabit @dabit3
169K Followers 14K Following 🇵🇸 // devrel + dx @eigenlayer @eigen_da @eigen_labs // ai & onchain // prev @aave @celestia @awscloud // 🫂 @developer_dao
Satyajit Sahoo @satya164
10K Followers 1K Following ♥️ CSS, JavaScript, TypeScript, React, React Native 💼 Front-end @Callstackio 🔨 Builds @ReactNavigation 🌍 Globe Earther 🏳️🌈 He/Him
Expo @expo
75K Followers 1K Following Develop, review, & deploy native apps from a single React codebase for Android, iOS, & web. 🦋 https://t.co/O2L5O6cn8j Discord: https://t.co/zLNkwFJ7oV
Aman Mittal ⚛️☕... @amanhimself
11K Followers 1K Following Markdown programmer at 𝝠 @Expo | #ReactNative & #Expo enthusiast | 💜 Traveling | Previously 🥑 @Draftbit 📝 @Vercel
Maciej Jastrzębski @mdj_dev
3K Followers 225 Following React Native at @callstackio — OSS: RN Testing Library — team console.log
Oskar Kwaśniewski @o_kwasniewski
7K Followers 509 Following Open Source @callstackio 💜 @reactnative Core Contributor, Creator of React Native for visionOS 🥽, https://t.co/IXX5U9gR9Q 📱
Thibault Malbranche @titozzz
3K Followers 135 Following Lead Mobile Developer - Brigad (@joinbrigad) - https://t.co/qYzKegB98I - React Native Core Contributor - ❤️ Open Source
Daniel Friyia 🇨�... @wa2goose
3K Followers 297 Following App Platform Engineer (POS) @ShopifyEng 💻. @UWaterloo Alum 🧑🎓 . Huge @SquareEnix fan. Opinions are my own. 💍 @aikayou.
nishan (o^▽^o) @nishanbende
3K Followers 980 Following Open source | React Native @expo 𝝠 https://t.co/NyannjTDyW
Yishak @Yishak000
1 Followers 208 Following
George Thomas @geo_thomas_
3 Followers 577 Following
TuanNg @tuan_m_ng
36 Followers 2K Following
Joe Nash @heyjoenash
555 Followers 2K Following Business Strategy for Creative Organizations Building @brandtrackers + Today & Tomorrow Prev EP, Dir. Business Strategy @buck_tv EP, Co-Founder @Statewithlove
D @ndhykz
145 Followers 660 Following 🇮🇩 future #b4da55 software engineer (web). forever junior dev. 👎 & 👍 JavaScript. #YNWA
Michael Jurka 🇺�... @mikejurka
275 Followers 1K Following VP of Engineering, Spatial (https://t.co/RP4FuNES2a)
Dylan Sharp @iamdylansharp
145 Followers 716 Following
Kasun Wansekara @KWansekara
16 Followers 238 Following
Mayank Dutta @mynk_dutta
129 Followers 3K Following DS Algo | Web | Vim | analyst@Accenture | JMI 23
Maaz Chowdhry @MaazChowdhry
124 Followers 977 Following Software Engineer. prev @Apple . Opinions are my own
عمار | Ammar @iammarjamal
463 Followers 2K Following طبيب، ومطور تطبيقات، شغوف في بناء الحلول الرقمية.
rolex.dev @rolex_devv
574 Followers 2K Following Frontend Developer (React, Next.js, Tailwind expert) 👨🏾💻 • IT Technician 🖥️ • Member — @CH_JesusChrist
ankit sejwal @ankitsejwal
743 Followers 396 Following Software Engineer - React, React Native, NextJS, Express, MongoDB
santhosh bonala @santhubonala
9 Followers 73 Following
Vardges Avetisyan @vardgesvetisyan
1 Followers 40 Following
Elias Isaac @_eliasisaac
257 Followers 632 Following comp bio at @harvardmed | aspiring neuroscientist and ML researcher
Nick White @Nick_White0x
437 Followers 667 Following CEO @helionova_ai | Builder @dorg_tech | Blockchain Guy | Investor | AI/ML | #bitcoin
Taku @takunewton
1K Followers 3K Following
Chafic Salloum @ChaficSalloum
164 Followers 2K Following Football without Origi (and Taki) is nothing
Ali Qasim @AliQasi85344812
147 Followers 838 Following I build websites, MVPs, and apps solo, using AI, that scale to millions | lets talk
Andreas Düss @AndreasDuess
46 Followers 138 Following Managing Partner @ 6 Seeds • Co-Founder & CEO @ https://t.co/DUKbGZ8qgK • AI and data nerd • 2 exits, now building the next thing
zhong @zhong6717030972
44 Followers 2K Following
Kamil Mikołajczyk @mikami_lub
14 Followers 56 Following
undefined @frz_tmr
83 Followers 76 Following fulltime - fullstack web developer, kuli koding butuh banyak monitor. bnyk ngetrain intern krn dlu saya guru Bahasa Indonesia. daily user Transjakarta.
Josephat Juma @JuJosephat
342 Followers 657 Following Born Again Christian | Software Developer | DevOps | Data Analytics | Tech Content Creator | Co-founder @Biokeeper_App
Thibaut @t_rqtin
118 Followers 1K Following
Joa @sgustv
202 Followers 3K Following A knowledge path! Ready to begin! #Science #technology #STEM #Softwaredevelopment
Ian Summerlin @iansummerlinio
30 Followers 289 Following
Amar Sukhi @SukhiSecurity
167 Followers 7K Following
GV @gv80812
430 Followers 1K Following Builder. Interested in philosophy, entrepreneurship, global economy, music, astrology and spirituality.
Meek @msakiart
330 Followers 1K Following Blockchain + AI + DeFi Co-Founder @asyncswap @FormalMindAI. UHI4 alumn @atriumacademy 📚
MauM @Mv2M
147 Followers 449 Following
Tomasz Janusz @TomaszJanusz
12K Followers 2K Following ✉️ [email protected] 🦋 https://t.co/h1xWu3qfZY 𝕏 @TypowyJanuszZX
monkey d. rifi 🏴�... @majin_yuu_
715 Followers 2K Following solo comme Batman le cœur vide comme mes poches
Miguelángel Cabrera @mcabreradev
557 Followers 1K Following I'm Venezuelan, Evangelist, Full-Stack Developer, Geek, Guitarist, Food lover and current living in Argentina
Evan Bacon 🥓 @Baconbrix
50K Followers 667 Following Creator of 𝝠 Expo Router. Deploy iOS apps from your browser with https://t.co/WmBBP2HYnX today!
Marc @mrousavy
19K Followers 676 Following CEO @margelo_com – core contributor @reactnative – angel investor - wannabe racing driver - I built VisionCamera, Nitro Modules and react-native-mmkv
Seb ⚛️ ThisWeekIn... @sebastienlorber
50K Followers 5K Following 🔥 Join 40k devs - Stay up-to-date with React: • 📨 https://t.co/DvLGHeLY5G • @ThisWeekInReact • @docusaurus maintainer • 🇫🇷
Krzysztof Magiera @kzzzf
14K Followers 588 Following Director of engineering @swmansion. Ex @reactnative core at @facebook. Author: gesture-handler, reanimated, rn-screens. Building Radon IDE 🛠️ https://t.co/c1W2EpOzd3
William Candillon @wcandillon
30K Followers 365 Following Maker of the “Can it be done in React Native?” YouTube series ⚛️📺 https://t.co/XYcrqJpwfs
Lorenzo 'kelset' Scia... @Kelset
8K Followers 1K Following senior engineer & ecosystem builder otaku at heart currently: indie consulting (javascript, OSS, strategy) prev: @sovtechagency, @microsoft & @reactnative
Theo - t3.gg @theo
246K Followers 4K Following Full time CEO @t3dotchat. Part time YouTuber, investor, and developer
Catalin Miron - Anima... @mironcatalin
12K Followers 615 Following Building https://t.co/Q6ULrmF5FE, https://t.co/vdyVf0kACS, https://t.co/ZKkS9ciA8A - prev @elevenlabsio @Skype | React, React Native | 📽: https://t.co/iHkbtqaPFr ✌️
Michał Pierzchała @thymikee
7K Followers 514 Following Principal Engineer for Open Source @callstackio. Core @jestjs_ 🃏 and @reactnative Community contributor. Made @twentttyapp
Mike @grabbou
14K Followers 771 Following cto and founder @callstackio, core team @reactnative. i love cars 🏎️
nader dabit @dabit3
169K Followers 14K Following 🇵🇸 // devrel + dx @eigenlayer @eigen_da @eigen_labs // ai & onchain // prev @aave @celestia @awscloud // 🫂 @developer_dao
Satyajit Sahoo @satya164
10K Followers 1K Following ♥️ CSS, JavaScript, TypeScript, React, React Native 💼 Front-end @Callstackio 🔨 Builds @ReactNavigation 🌍 Globe Earther 🏳️🌈 He/Him
Expo @expo
75K Followers 1K Following Develop, review, & deploy native apps from a single React codebase for Android, iOS, & web. 🦋 https://t.co/O2L5O6cn8j Discord: https://t.co/zLNkwFJ7oV
Vercel @vercel
368K Followers 8 Following Vercel provides the developer tools and cloud infrastructure to build, scale, and secure a faster, more personalized web. Creators of @nextjs, @v0, and @aisdk.
Shopify Engineering @ShopifyEng
53K Followers 690 Following Making commerce better for everyone. Follow us for technical discussions and updates on how engineers build @Shopify. Explore open roles: https://t.co/NFSvvCJBXt
Aman Mittal ⚛️☕... @amanhimself
11K Followers 1K Following Markdown programmer at 𝝠 @Expo | #ReactNative & #Expo enthusiast | 💜 Traveling | Previously 🥑 @Draftbit 📝 @Vercel
Maciej Jastrzębski @mdj_dev
3K Followers 225 Following React Native at @callstackio — OSS: RN Testing Library — team console.log
Oskar Kwaśniewski @o_kwasniewski
7K Followers 509 Following Open Source @callstackio 💜 @reactnative Core Contributor, Creator of React Native for visionOS 🥽, https://t.co/IXX5U9gR9Q 📱
Michael Blanchard @miblanchard
195 Followers 337 Following Director of Engineering working with #react, #reactnative (web), and #nodejs at @NFL
Rock @rockjs_dev
669 Followers 1 Following Rock is a new React Native framework for enterprise power users. By @callstackio
Emily Xiong @xiongemily
190 Followers 83 Following Developer at @NxDevTools. Likes eating good food, hiking, biking, and programming.
Robert Pasiński @rob_pasinski
377 Followers 69 Following React (Native) Developer ⚛️ Passionate about all things development, low level coding enthusiast 🧑💻 @callstackio
Piotr Tomczewski @Piotrski
778 Followers 2K Following 💻 React Innovation Expert at @callstackio 🐈⬛🐈 Father of 2 cats 🍴 Foodie ❤️ Will code for LEGO 🏳️🌈 He / him
Bartłomiej Krok @bartek_krok
37 Followers 110 Following Software Engineer | React / React Native | @callstackio
Shaundai Person @shaundai
18K Followers 547 Following Sr Software Engineer @Netflix • TikTok: @shaundaip • Epic Web Instructor • Building TypeScript for JavaScript Devs Course (https://t.co/ZOoQHpgtCe)
Talha Naqvi @naqvitalha
3K Followers 172 Following Senior Staff Developer @Shopify, expert in mobile apps. Leading performance for Shopify App. Creator of FlashList and recyclerlistview.
Jacint Varga @vrg_jacint
637 Followers 400 Following mobile UX & performance wizard | react-native enthusiast | proud dad
Andrei Zgîrvaci @andrei_zgirvaci
353 Followers 113 Following Senior Software Engineer at @callstackio, Creator of `expo-stable-diffusion`, I use nvim btw!
Yagiz Nizipli @yagiznizipli
13K Followers 498 Following father, enjoying life and working on @cloudflare workers runtime. wrote a super fast url parser named after my daughter: https://t.co/bEwb1l2q3W
Kewin @Q1w1N
166 Followers 94 Following @callstackio | Accidentally learning AI, 3D, and game dev all at once. Powered by “oh look, a new hobby!” moments. Professional “wait, how did I get here?” guy.
Jakub Urban @bionanek @bionanek
202 Followers 401 Following ex @callstackio ⚛️ | ex podcast Host 🎤 | creative mind 💡 👌🏼
Mariusz Pasiński @mani3xis
361 Followers 121 Following Game developer; proud Vim user; interested in low-level stuff; hobby music producer
Fábio Henriques @fabioh8010
56 Followers 69 Following Senior React Native Developer at @callstackio ⚛️ 💻
Davyd NRB @tell_me_mur
130 Followers 96 Following React Native guru 🧘♂️ @callstackio \ DevOps adjutant \ Linux lover ❤️
Mateusz Mędrek (Luig... @mateusz1913
952 Followers 115 Following I do some React Native @callstackio
Lydia Hallie @lydiahallie
46K Followers 59 Following head of propaganda @bunjavascript · prev @vercel · private pilot ✈️
Szymon Rybczak @SzymonRybczak
4K Followers 423 Following 19 yo React Native Developer at @callstackio
Kacper @Kacperrz_
6 Followers 88 Following
Edu @teddydroid07
185 Followers 307 Following Mobile Fan. Android, Flutter... working with RN @callstackio I like iOS and Unity. Want to learn from the best. Tweeting…
Addy Osmani @addyosmani
354K Followers 2K Following Engineering leader, @GoogleChrome • Author • Great user, developer & AI experiences • @ChromiumDev @ChromeDevTools • @GoogleDeepMind
amakiri joseph lucky @j_amakiri
113 Followers 564 Following
Tomasz Misiukiewicz @TMisiukiewicz
598 Followers 285 Following React Native Developer at @callstackio
Mike Bifulco @irrever... @irreverentmike
2K Followers 4K Following 👋🏽 @irreverentmike.bsky.social 🧵 @irreverentmike https://t.co/i1l3Q7bNt8 · https://t.co/sQUY9W48co 🚴♀️, espresso ☕, looking after 🌍.
TypeScript @typescript
398K Followers 50 Following TypeScript is a language for application-scale JavaScript development. It's a typed superset of JavaScript that compiles to plain JavaScript.
Chief Wiggum @ScriptedAlchemy
17K Followers 690 Following Infra Architect @ByteDanceTalk. Maintainer of @webpack @rspack_dev - creator of #ModuleFederation #auADHD #synesthesia own opinions.
Dan @codejetdan
7 Followers 2 Following
Burak Güner @_atlj
783 Followers 288 Following I approve pull requests @callstackio Maintainer of React Native Builder Bob
Wiktor Szlegier @WSzlegier
87 Followers 521 Following React Native Dev ⚛️ Passionate about JavaScript & Swift 🧑🏻💻📱
Jakub Bujko @f3ng__liu
99 Followers 161 Following React Native Developer @ Callstack --- A quiet nerd. Usually found coding, playing D&D, painting minis, crafting terrain or simply, procrastinating ;)
Przemysław Gawron @gawron_94
15 Followers 20 Following