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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Building React Native App for Vega OS x.com/i/broadcasts/1…
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We'll be live on Thursday to dive into Vega OS and React Native! Join us to see how to set up the tools and build your first app! 🤞
We'll be live on Thursday to dive into Vega OS and React Native! Join us to see how to set up the tools and build your first app! 🤞
How do you test a React Native library on a real device? Most test runners mock native modules, but sometimes you need to check real behavior or spec compliance. In his talk, Łukasz (@lukasz_app) will show how React Native Harness makes this possible!
How do you test a React Native library on a real device? Most test runners mock native modules, but sometimes you need to check real behavior or spec compliance. In his talk, Łukasz (@lukasz_app) will show how React Native Harness makes this possible!
The React Conf 2025 agenda is live. Whether you're joining on-site or tuning into the livestream, plan ahead so you don’t miss your must-see talks 👇
The React Conf 2025 agenda is live. Whether you're joining on-site or tuning into the livestream, plan ahead so you don’t miss your must-see talks 👇
Callstack Engineers retweeted
Amazon just dropped their own OS that has React Native BAKED IN 🤯.
Amazon just dropped their own OS that has React Native BAKED IN 🤯. https://t.co/aF9RnckRxa
🎉 Amazon just announced Vega OS, their next-gen platform with first-class support for React Native. This is exciting news for teams building cross-platform apps. React Native has already proven itself on TV, now Amazon is doubling down with native support! If you're building…
🎉 Amazon just announced Vega OS, their next-gen platform with first-class support for React Native. This is exciting news for teams building cross-platform apps. React Native has already proven itself on TV, now Amazon is doubling down with native support! If you're building…
Callstack Engineers retweeted
🎉 Big news: Amazon's next-gen devices will run Vega OS, a Linux-based platform with first-class support for React Native. This is huge. React Native is already incredibly successful for building TV apps, and Amazon's investment with native support marks a new level of maturity…
🎉 Big news: Amazon's next-gen devices will run Vega OS, a Linux-based platform with first-class support for React Native. This is huge. React Native is already incredibly successful for building TV apps, and Amazon's investment with native support marks a new level of maturity…
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 ⬇️
Callstack Engineers retweeted
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!
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
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Software Mansion @swmansion
20K 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 589 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
7K Followers 314 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 385 Following working on https://t.co/5ZtLn2yvWj and https://t.co/nSyF0IT45e
nader dabit @dabit3
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Satyajit Sahoo @satya164
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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 118 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 299 Following Core Mobile Foundations Engineer @ShopifyEng 💻. @UWaterloo Alum 🧑🎓 . Huge @SquareEnix fan. Opinions are my own. 💍 @aikayou.
Niki Xie @NikiXie8848
4 Followers 73 Following
Martin Leško @martinlesko7274
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た く や @nnnt0k
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Jarosz ⚡️🇵🇱 @jarosz
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shoaib akhtar @shoaiba45569668
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Akshay Hegde @akshaynhegde
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Mason @Luck2L
499 Followers 3K Following
fjordlily @fjordliley
27 Followers 355 Following Never let someone fuck you over more than once -Kash Doll
Hiyami @Hiyami_JP
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Mr.Unknown @fmansimli
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Nghiệp @nghiepit
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Aymane Mehdi | 아이... @officialwolder
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Pavel Kasper @kascoder
7 Followers 27 Following Backend Software Engineer | iOS Enthusiast | Indie Hacker | Sports Lover | Creative Thinker | Striving for Excellence, Not Conformity
Nikola Vukovic @NikolaV1996
66 Followers 640 Following
aytuncdemrdev @aytuncdemrdev
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BusyRN @rn_busy
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Alexander Khodyrev @alexdevspa
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Nahuel Sanchez @devnahuelsan
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Ariel Online @justarieldotcom
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Jesúss 👾 @jesuss_UI
41 Followers 458 Following | Buenass, soy diseñador UX especializado en UI súper apasionado con la programación | 🇻🇪 | Comparto tips y contenido relacionado, así como mi día a día
Lahfir @Laughfir
317 Followers 3K Following freelance software engineer | 3X YC reject | 1X speedrun reject | 1/5 global hackathons won | goal to get monetized on X
Maciej Synowski @synowski_maciej
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TankSalif @tanksalif
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Official DiLi @MinkailYahaya
40 Followers 1K Following Learn How To Learn 🧠| I am Yahaya Minka'il — DiLi |🎓 Aspiring Computer Scientist | 🌐 AI Enthusiast 🚀 | 🇳🇬 Proud Nigerian https://t.co/WMrYjZxW4s
網路黑手👷�... @siygle
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Catherine @j9h7i67sr53169
7 Followers 108 Following Gentleness towards yourself is radical rebellion.
Fusheng Yu @fusheng_yu
13 Followers 330 Following
弗具弗同 @fjftng183891
22 Followers 568 Following
. @kaanmertkoc
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en1omy @en1omy
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djeddi amine @thedeeengineer
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_ @ion1_x
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Samuel Agbenyo @AgbenyoOfficial
293 Followers 524 Following Software Engineer || React Native Enthusiast || Tech Content Creator
Sarva @ramkihardy
70 Followers 553 Following Passionate about Computer Science, System Design, Full Stack, C#, React, Lead @emishealth ball badminton player, shuttler, Sarcastic
Kamil Jaworowski @jaworr
3 Followers 24 Following
Evan Bacon 🥓 @Baconbrix
50K Followers 674 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 589 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
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Lorenzo 'kelset' Scia... @Kelset
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Theo - t3.gg @theo
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Catalin Miron - Anima... @mironcatalin
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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
370K 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 697 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 118 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 340 Following Director of Engineering working with #react, #reactnative (web), and #nodejs at @NFL
Rock @rockjs_dev
677 Followers 1 Following Rock is a new React Native framework for enterprise power users. By @callstackio
Emily Xiong @xiongemily
189 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
777 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 545 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
639 Followers 405 Following mobile UX & performance wizard | react-native enthusiast | proud dad
Andrei Zgîrvaci @andrei_zgirvaci
352 Followers 116 Following Senior Software Engineer at @callstackio, Creator of `expo-stable-diffusion`, I use nvim btw!
Yagiz Nizipli @yagiznizipli
13K Followers 497 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 95 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
362 Followers 122 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
955 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 424 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
114 Followers 564 Following
Tomasz Misiukiewicz @TMisiukiewicz
599 Followers 286 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 693 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
785 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
98 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
Moso @MosoAkinyemi
139 Followers 498 Following Software Engineer @callstackio | JSI and TurboModules enthusiast ⚛️
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