Master.dev (Formerly Frontend Masters) @MasterDotDev
Master AI & Full Stack Development. Frontend, backend, and everything between. master.dev/?utm_source=x&… Minneapolis, Minnesota Joined November 2012-
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Steve set a goal of 100% unit test coverage. Went away for the weekend. Came back to 100% unit test coverage. That's what the Ralph Loop makes possible. Clip from our Playwright: Automated Testing and AI Workflows course.
@laban_mogire There’s some Angular SSR in this course master.dev/courses/advanc…
@tweetmonster999 Thanks Austin!
@manishpoko Agreed! Thanks Manish!
@MARiverosT Thanks Mario! We agree.. it now encompasses all of software development. Glad you like the new name!
@1Marc Gotta hit em with the…
@tushgaurav We do have purchase power parity on the site now! You should see a discount available when you visit Master.dev from India
@shiva_baaba Thank you, hitesh!
Tired of your docs screenshots being out of date? Generate them automatically with Playwright. Record your UI states with HARs, screenshot on each test run, push to a bucket. Docs team stays happy. You keep shipping fast. Clip from our Playwright: Automated Testing and AI Workflows course on master.dev
Going LIVE now with agent harness engineering! master.dev/workshops/harn…
🚨 LIVE tomorrow at 9:30 AM CDT! Harness Engineering & Agent Orchestration with Scott Moss from Netflix. Agent harness → durable execution → sandboxing → memory → multi-agent orchestration → HITL. RSVP 👉 master.dev/workshops/harn…
Every engineer can generate code with AI now. So that's no longer your edge. What actually separates the engineers who thrive from those who don't? Full interview: youtu.be/Hwb4TJfjfb0?si…
🚨 LIVE tomorrow at 9:30 AM CDT! Harness Engineering & Agent Orchestration with Scott Moss from Netflix. Agent harness → durable execution → sandboxing → memory → multi-agent orchestration → HITL. RSVP 👉 master.dev/workshops/harn…
+94 points on evals from a single change 💰 The secret? Your evals should reflect exactly what your model sees in production. That's it. Not a clever trick. Just good engineering. Clip from our AI Engineering Fundamentals course on master.dev
Join us tomorrow at 9:30 AM CDT for a LIVE workshop with Rich Harris, the creator of Svelte! Spend a full day learning Svelte and SvelteKit straight from the source. RSVP 👉 master.dev/workshops/svel…
🚀 Started learning Next.js from the @MasterDotDev course "Introduction to Next.js, v3" by @scotups (Netflix). Looking forward to learning the App Router, SSR, SSG, and building full-stack applications with Next.js. #NextJS #ReactJS #FrontendMasters #WebDev
Most people don't know how much control you have over Claude Code skills. ⚙️ • Pin a specific model to a skill • Disable model invocation and keep it local • Pass arguments inline • Make a skill non-user-invokable so it only runs automatically This is the kind of control that makes it actually fit into a real workflow. Learn more in our FREE Claude Code course.
AI agents are great at writing code but terrible at knowing if it works. Playwright fixes the second half. End-to-end tests that agents (and humans!) can act on. New course: Playwright: Automated Testing & AI Workflows master.dev/courses/playwr…
Is your agent great for demos but not production ready? Join us on June 12th, as @scotups (senior engineer at Netflix) teaches you the infrastructure layer that fixes that: durable execution, sandboxing, multi-agent orchestration, HITL, and more! 👉 master.dev/workshops/harn…
🚀 Just completed "Complete Intro to Linux and the Command-Line" by @holtbt on @MasterDotDev Learned Linux fundamentals, terminal navigation, file management, permissions, and essential command-line skills. #Linux #CommandLine #FrontendMasters #Programming #SoftwareEngineering
ThePrimeagen @ThePrimeagen
369K Followers 1K Following skill issues: 🟩⬛️⬛️⬛️⬛️⬛️(69/420) https://t.co/TYJ6aSq4O0 https://t.co/wQJlh4stsc https://t.co/wxeJWY8LmI
Sarah Drasner @sarah_edo
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Cory House @housecor
160K Followers 809 Following I help dev teams be insanely productive with AI. Courses: https://t.co/D5emROQHUh & https://t.co/6L1fD89GbP Consulting: https://t.co/Qfp4TfpB8N ⚛️
Florin Pop 👨🏻�... @FlorinPop17
204K Followers 3K Following Documenting my business adventures. Currently growing https://t.co/RnTIUOM1j8
David K 🎹 @DavidKPiano
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Rich Harris @Rich_Harris
95K Followers 2K Following Cheese fan. I work on @sveltejs at @vercel. Mostly posting at https://t.co/1DNxt27Pks
Ryan Carniato @RyanCarniato
56K Followers 484 Following got signals? @solid_js @Sentry 👫@RunningZ98577 🇨🇦
Adam Rackis @AdamRackis
46K Followers 2K Following Software Engineer. Prev, Riot. @MasterDotDev instructor. TanStack, React, C++ when I'm feeling nasty. Beer, whiskey, coffee snob. Book lover. Jr Dev for life.
Seb ⚛️ ThisWeekIn... @sebastienlorber
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Marc Backes @marcba
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Marc Grabanski @1Marc
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Gary Simon @designcoursecom
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Matteo Collina @matteocollina
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Simon Vrachliotis @simonswiss
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Brian Holt @holtbt
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baltaczar @baltaczar0
52 Followers 3K Following Sure, think it through; just don't forget to build it.
Farman Ali @better_Baloch
2 Followers 146 Following
ANHRWij @anhrwijj
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Md Shafiul Alam @bitbyteshafi
1 Followers 232 Following dived Right Into Programming and Drowning Ever Since
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Sebastian @Sebastian_GitHu
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Julian @Juliann_Villa
28 Followers 819 Following
✽✿ りな-ちゃ�... @Eccentric_Rosy
234 Followers 3K Following I ❤ #Korean_JAP_cultures #artwork #BTS #BlackPink #드림캐쳐 #Naruto_Boruto_series #Days #キングダム #SK8 #Noblesse #ToMan卐 #Manga_Yaoi_Anime #ThaiBLDramas |..^_~..|
Mwanaarrr @mwanaarrr
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Nurlan Mammadov @noorlan95
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felipe vargas | Syste... @felipevargasx_
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Chris Craig @ChrisCraig45257
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Wisdom📈📉 @WaveForex_20
301 Followers 43 Following Pursuing BSC. Information Technology at UENR💻 | Algorithmic & Rule-Based Forex Trader📈| Analysing data, mapping the interactions of tech, data, and forex📊.
somto_404=) @EdokaSomtochuk1
68 Followers 1K Following Web dev cypher • Blaugrana core • Kush connoisseur • Bedroom bars & backend bars • Sex-positive state • 🎤💨js(weed, women, wins)
Mouhamadoul Moustapha... @Mouhamadou48521
1 Followers 229 Following Jeune développeur Front End passionné par l’informatique et la tech, actuellement en formation à l’ISEPAT de Diamniadio.
aryan gupta @aryan35736
0 Followers 29 Following
Daisuke Adachi @AdachiDaisuke
660 Followers 3K Following iOS/Android/Rails developer. https://t.co/XXfmgedkhP https://t.co/V9jfpJU014 https://t.co/yZfiFvJd8k https://t.co/BajKUXipx1 I’m actively seeking new job opportunities. お仕事募集中。
ducksunderdoors @ducksunderdoors
21 Followers 712 Following Vendor-side Solutions Architect, ex-HackerOne / Checkmarx / Rapid7. Primary technical advisor for Fortune 500 security teams — onboarding, adoption, renewal. 🦆
khmer and Thailand fo... @and63592
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Clint Airé @clintaire
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Yahya MA @YMoularad
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TAHA EHSAN ULLAH BUTT @what_taha_says
1 Followers 76 Following Sophomore @ VU - Building & Learning - AI Research
Remco Stoeten @remcostoeten_nl
1 Followers 11 Following Dutch (front-end) engineer. Engineering automotive software by day, open source "things" by night. Currently https://t.co/9bhU3jScLa | https://t.co/G0LDUloxP1
Dev_Derek @Derekvibe26
1K Followers 1K Following Full-stack engineer building scalable products || Technical writer @freecodeCamp || Building in Memento
Michal P @MichalP1h
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reztag @rururez
5 Followers 122 Following
Michael M @EngagementArena
17 Followers 190 Following 1st time builder, absolutely building different, a story as real as it gets & a drive to start sharing the vision, the journey and the vibe. EA / soon
hello_code @hello_vue
5 Followers 820 Following
Vladimir Panimaskin @vepanimas
3 Followers 169 Following Senior Software Engineer working on WebStorm @JetBrains. IDE integrations, frontend tooling, Vite, Webpack, GraphQL, Prisma, and friends.
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Moussa Dembélé @DembeleMousman
61 Followers 116 Following
Dilh @dilhara53944
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CodeOak Ai @CodeoakAi
0 Followers 42 Following Adaptive AI coding prep for Python & SQL | Personalized practice that actually adapts to you | 🚀 Beta live → https://t.co/ah98gQRFds
Kent C. Dodds 🏹 @kentcdodds
321K Followers 454 Following Husband, 6x Dad, Latter-day Saint, Dev, Educator 🏹 https://t.co/bGlNcdW2iJ ⚡️ https://t.co/X8fNGbdL2y 🌌 https://t.co/pPQmnZS6rR 🚀 https://t.co/NYn5aJVGve 🏆 https://t.co/U5KafpJTZp
ThePrimeagen @ThePrimeagen
369K Followers 1K Following skill issues: 🟩⬛️⬛️⬛️⬛️⬛️(69/420) https://t.co/TYJ6aSq4O0 https://t.co/wQJlh4stsc https://t.co/wxeJWY8LmI
Sarah Drasner @sarah_edo
298K Followers 3K Following Opinions my own Area Tech Lead, AI and Web Ecosystem @chrome, Formerly Sr. Director of Core Infra @google • O'Reilly Author • https://t.co/HhzYWwxYAH
Evan You @evanyou
311K Followers 2K Following Husband / Father of two / Founder @voidzerodev (acq. @cloudflare) / Creator @vuejs & @vite_js. Chinese-only alt: @yuxiyou
David K 🎹 @DavidKPiano
87K Followers 3K Following Making state machines at @statelyai · I play piano
Jason Lengstorf @jlengstorf
58K Followers 2K Following I make tv for developers at @codetv_dev web dev can be fun. CodeTV is out to bring a little joy back into learning and building email: [email protected]
Ryan Carniato @RyanCarniato
56K Followers 484 Following got signals? @solid_js @Sentry 👫@RunningZ98577 🇨🇦
Jem Young @JemYoung
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Marc Grabanski @1Marc
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Maxi Ferreira @charca
5K Followers 1K Following Staff Software Engineer @helpscout. Writing about frontend architecture at https://t.co/ZrV8Ig9sqp. Terrible at tennis. 🇦🇷 🇺🇸
Matias 🧉 @matiNotFound
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Brenna Martenson @martenson_bj
558 Followers 109 Following Front end engineer at Vangst. Travel addict, sports nerd, trying to get really good at poaching eggs.
Burke Holland @burkeholland
26K Followers 567 Following Working on GitHub Copilot @github @microsoft. Distinguished Slopopotamus. Wrong 50% of the time. My views.
Marcy Sutton Todd @marcysutton
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Jen Kramer @jen4web
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Will Sentance @willsentance
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15K Followers 233 Following Formerly Engineer at Facebook/Meta, Netflix, and Microsoft
Bianca Gandolfo @BiancaGando
8K Followers 1K Following Software Engineering Coach Currently writing code for @CashApp Instructor @FrontendMasters Join me: https://t.co/kd9SKzJD7p she/her #BlackLivesMatter




















