Spring I/O @springio.net A two-day conference full of Spring awesomeness in Barcelona. +1300 attendees. Next edition: 13-15 April 2026
Organized by @sergialmar.com
Ivan “CLOVIS” Canet @ivcanet.bsky.social Kotlin developer & teacher @ 4SH, learn more about me: ivan.canet.dev
Open source at https://opensavvy.dev • @opensavvy.techhub.social.ap.brid.gy
Organizing the Kotlin Bordeaux User Group at https://bordeauxkt.io
Brian Norman @bnorm.dev I do the clickety-clackety that make the computer go brrr!
@KotlinLang.org compiler developer at @JetBrains.com; all opinions are my own.
Leland Richardson @intelligibabble.bsky.social Software Engineer @ Google working on Jetpack Compose
Chuck Jazdzewski @chuckjaz.bsky.social Software engineer at Google working on Jetpack Compose
Ian Lake @ianlake.bsky.social Android Toolkit Developer and Runner
Also at:
- https://androiddev.social/@ianlake
- https://twitter.com/ianhlake
Develocity @gradle.com Release announcements, tips, and events focused on boosting developer productivity with Develocity and Gradle.
Frank van Puffelen @puf.io People + Tech = 🎉
🇳🇱 NL born, 🌁 SF based
Previously: Firebase & Flutter @ Google 🔥💙, FlutterFlow 💜
Sebastian Sellmair @sellmair.dev Software Engineer @ JetBrains
Working on all things Kotlin.
KMP | Intellij | Compose
Mark Murphy @commonsware.com Android app developer. Entrepreneur. Author. Fan of sentence fragments.
Sean McQuillan @objcode.bsky.social #AndroidDev at Google
Brian Goetz @briangoetz.bsky.social Java Language Architect at Oracle. Author, Java Concurrency in Practice (http://amzn.to/2nzZnkl). Also, cats.
Tom Colvin @tomcolvin.co.uk UK based Android GDE, freelancer or through my agency Apptaura. I wear flowery shirts. 🇬🇧 🇦🇹
tdcolvin.medium.com / tomcolvin.co.uk
Mina Markham @minamarkh.am am: Web Experience Lead @slack.dev. International Speaker. Design Systems Advocate. Chaotic Good.
was: HFA (1st dev hired). IBM Design.
always: 🖖🏾. Whovian. Beyoncé.
♿️ AuDHD. CPTSD. INFP. ABCDEFG.
👉🏾 https://mina.codes
Erica Joy Astrella @ericajoy.astrel.la southern roots, oakland blossoms 🌸
tech blah blah
@b.astrel.la’s weirder half
Never, ever be afraid to make some noise and get in good trouble, necessary trouble. -John Lewis
probably on threads https://www.threads.com/@theericajoy
Taylor Poindexter @engineeringbae.bsky.social Engineering Manager @ Spotify💚
Black Code Collective co-founder ✊🏾
Scuba Diver 🧜🏽♀️🤿
Whiskey expert — IG: womanwithwhiskey
Adventurer 🗺️
Angie Jones @angiejones.tech Tech's Favorite Auntie
VP Eng, AI Tools & Enablement @ Block
#techgirl1908
Tiffani Ashley Bell @tiffaniashleybell.com Programmer. Transilient. An internet person at The Human Utility paying water bills & freeing people from debt. Nerded out at Howard, Harvard Kennedy School, YC, & Stanford GSB. F1 fan. Spoke at TED.
Black-Scholes-Merton FTW
In LAX or FAY 🏳️🌈
Aniyia ❤️ @operaqueenie.social serial entrepreneur. systems thinker. world builder. learner. lover. human. ✨ views and opinions = mine.
Kamilah Taylor @kamilah.dev 🇯🇲 Engineering Leader at Gusto
Board member /dev/color
iOS enthusiast
📚 + 🧩 + 🥘 + 🎶
Trekkie 🖖🏾
Jocelyn Harper @gitcute.com Staff Software Witch
Content Creator
Overall Cutie
https://jocelyn.dev
duretti (🗣️ dret-tea) hirpa @duretti.bsky.social the snack that smiles back 
Cat Posey / catpoetry @catposey.bsky.social Social entrepreneur, technology executive.
Asia Hoe @asiahoe.com UX Designer armed with curiosity, tenacity, and a serious case of dev envy. I design products for people and speak about societal and ethical impacts of technology. I'm also an avid gamer, and dabble in art, words, and code. (She/Her)
https://asiahoe.com
Ire Aderinokun @ire.bsky.social 🇳🇬 in 🇬🇧
UI Engineer
Maia @maiadayne.bsky.social Creative Technologist. Artist. Web Engineer. Reluctant entrepreneur. Former indie bookseller. Fan of the habitual 'be'. 
Catt Small @catt.design Designer with too many hobbies in Brooklyn. I run @gdocexpo.com in my spare time. People go "ooh" when I say I make video games.
ceora ✨ @ceeoreo.dev ✨ tech, education, history
✨ let's learn together :)
✨ philly🦅
✨ she/they
✨ ceeoreo.dev
Sarah Drasner @sarahedo.bsky.social Opinions my own. https://sarah.dev
Distinguished Engineer @ Google, Chrome
Formerly Google Core Infrastructure
Formerly Vue Core •
Frontend Masters teacher •
O'Reilly Author •
https://www.engmanagement.dev/
https://github.com/sdras
Egor Andreevich @egorand.dev Barcelona, hiking, travelling, rock shows, movies, books, work-life balance.
Developer at JetBrains (Kotlin Build Tools), Square Open Source contributor. Opinions my own.
Bridget Phillips @jingibus.bsky.social Android person on the loose! Former Cash App, Instagram, BNR. http://www.billjings.net
Eric Maxwell @emaxwell3.bsky.social Android Engineer @ Block- T Tyler Bell @tylerwbell.bsky.social
Luis Cortes @luis.cortes.social 
Ian Whelan @whelan.bsky.social 
Oleg Godovykh @olegg.bsky.social 
Salvatore Testa @sal.dev professional software engineer and amateur funny person
Victor @blisse.bsky.social Android apps, AOSP, and a bit of full-stack @ Memfault. Mostly hockey, public transpo, complexity.
Pablo Baxter @pablobaxter.com Android dev @ Life360
https://frybits.com
Brad Lage @thebradfo.bsky.social Android. Dad mode, all day. Guitar newb.
Drew Hamilton @androidhamilton.bsky.social Android at Cash App
Jose Hernandez @birthdaybuffalo.bsky.social Android Eng @ Cash App
Sam Hill @samhill.dev Kotlin Multiplatform at Touchlab 
Kevin Schildhorn @kevinschildhorn.bsky.social Kotlin Multiplatform developer at @touchlab.co and new dad.
Fan of board games, video games, photography, and occasionally drawing.
https://dev.to/kevinschildhorn
zalim (kotlin wasm compiler webassembly VM) @bashorov.com 🚀 Leading Kotlin/Wasm to the Moon at @JetBrains.com
🏷️ Kotlin, WebAssembly, VMs, compilers, interpreters
❗️ All posts and views are mine 😉
james @morrissey.ai Building software (currently all things Kotlin) & breaking software (all things infosec) while absorbing a responsible amount of caffeine, craft beer and techno.
Relentless curiosity. Play, dig, learn, build, repeat.
Konstantin @iamkonstantin.eu I make apps and stuff. he/him 🖖 🐾 🔭 🏳️🌈
Cats 😻, apps, local-first, FOSS, IoT, Music
Dmitry Kandalov @dmitrykandalov.bsky.social I have witnessed programming for DOS and spent the last 20 years in the Java lands, most recently working with server-side Kotlin.
Everything I post here (and more) is also on https://dmitrykandalov.com/micro-blog
Manuel @noloman.bsky.social Mobile (Android/iOS) getting into KMP/CMP. I also do a lot of Go and sometimes, Java.
When I’m not programming, I’m lifting weights 🏋️♂️
https://www.manulorenzo.me
Suresh @suresh.dev Software Programmer | Java | Kotlin Multiplatform (JVM,Native,WASM,JS) | Knowledge Seeker
https://suresh.dev
Nate Ridderman @ridderman.bsky.social Politics, loose leaf tea, indie music, software development, Android, Purdue basketball
Jan Vladimir Mostert @polyglotamus.io idea incubator
-
chaotic random posts about mostly tech, startups, #Kotlin, #Rust, #TypeScript, #PostgreSQL, #Linux, or anything else interesting
-
will like your cat pictures
Julien Lengrand-Lambert 🥑👋 @lengrand.fr Head of Developer Relations 🇫🇷🇳🇱🇪🇺🇺🇦 ✨ Sucker for good #DX, #kotlin #GoogleDevExpert ✨, Editor 🇳🇱 #Java magazine . Growing my own food. #devrel #climate
🌐 https://lengrand.fr/
João Esperancinha @jesperancinha.bsky.social Linktr.ee:
https://linktr.ee/jesperancinha
Software Engineer content creator:
DailyMotion:
https://www.dailymotion.com/jofisaes
YouTube
https://www.youtube.com/@jesprotech
Homepage articles
https://joaofilipesabinoesperancinha.nl/#/blogs
Bohdan Pavuk @bpavuk.neocities.org aka bpavuk / Бодя Павук
everything is cure, everything is curse. dose decides.
#hatejavascript
better see my tangled: https://tangled.org/bpavuk.neocities.org
Paul N @paulnuk.eurosky.social Signed up member of the tofu eating wokerati.
#fbpe
Stojan Anastasov @sanastasov.dev Software Engineer doing a bit of Android and a bit of backend with Kotlin. Based in Berlin. 
Corneil du Plessis @corneil.bsky.social He/Him.
Problem solver.
Scientific thinker.
Delivering code to production since 1985.
Ex-@spring.io Team
Speaker (only diverse panels)
Opinions are my own.
#KFSM, #NoCrypto, 🇺🇦
István Juhos @istvanjuhos.dev Staff Android Engineer @ Circuit • International speaker on Android and Kotlin • Co-organizer of Android Budapest
Stéphane Péchard @s13d.fr Almost a normal guy. Works on mobile applications and services. PhD in visual quality for HDTV (a long time ago). Plays the drums.
Prometheus🇵🇸 @m3dl3gr8t.bsky.social Software Engineering Leader 👨🏿💻 | Continuous Improvement Disciple 💪🏾 | Hoops lover: WNBA & NBA all day 🏀 | Amateur tennis enthusiast 🎾
Jorge Castillo @jorgecastillo.dev Android at Disney+. Author of Jetpack Compose internals.
👨🏫 Compose course composeinternals.com
📖 Compose book jorgecastillo.dev/book
Mishaal Rahman @mishaalrahman.bsky.social NO LONGER POSTING HERE
MAY RE-EVALUATE IN THE FUTURE
iury souza @iurysouza.dev Platform Eng @ Sumup • GoogleDevExpert • 🎙️ Co-host @fragmentedpodcast.com • Agentic Coding • terminal maximalist
- 🔺MG em Berlim
- iurysouza.dev
- linktr.ee/iurysza
Danny Roa @dannyroa.bsky.social Android Dev living in NYC. 🇵🇭 🇺🇲
Saurabh Arora @saurabharora.bsky.social Android @the other "not be named here" app (xD).
Google Developer Expert (#GDE) for Android. Calisthenics junkie. Previously Android Tech Lead @Viki
Blundell @blundell.bsky.social #AndroidDev
Maria Neumayer @marianeum.bsky.social European living in London 🇬🇧🇦🇹🇪🇺
Senior Staff Engineer at Monzo
Previously at Skyscanner, Deliveroo, Citymapper & Path
Ash Davies 🇩🇪 🏴 @ashdavies.dev Google Developer Expert for Android, failed blogger, public speaker, maker (and breaker) of shiny things. Kotlin aficionado, Multiplatform manipulator, prolific facilitator of cute cat photographs, spends more time travelling than working (he/him).
Israel Ferrer Camacho @rallat.bsky.social 
Emily Kager @emilykager.bsky.social android dev, tiktoker, cool ass chick 
Jake Ouellette @jakeout.com Work: Eng @ Google, formerly Twitter, works on tools for developers (Firebase)
Hobbies: kid-friendly puzzle website: (https://zeepza.com), Indie game dev: (https://jakeout.itch.io), drawing comics (http://drawblanks.com) & more: https://jakeout.com/about
NishFish @nisrulz.com Engineering Memes for a living (mostly) 🦔
👨🏻💻 Software Engineer/ #AndroidDev
👨🏻🔬 Experimenting with technologies.
🤗 Open-source enthusiast.
📫 Reach me [at] nisrulz.com
📝 Blog [at] crushingcode.nisrulz.com
Adam @oheyadam.bsky.social Senior Android, mediocre cyclist, amateur home cook, and coffee nerd.
sierra @sierra.bsky.social 
Romain Guy @romainguy.dev Photography (https://curious-creature.com), Blog (https://romainguy.dev). In the past: Engineering Director, Android Toolkit team at Google.
Rafael Tonholo @rafael.tonholo.dev Android Developer
💜 Kotlin lover
📱 Jetpack Compose addicted
💡 Always trying to learn new things
🇧🇷🇨🇦
Hanson Ho @bidetofevil.wtf Observability. Android Perf. Music. Sports Nerdery. 🇭🇰🇨🇦. Bringing OpenTelemetry to mobile and vice versa @ embrace.io
Long-form navel-gazing and thoughts about Watford FC: https://hanson.wtf. Laura Stevenson stan account.
Gyuri @ggrell.bsky.social Principal Staff Android & iOS dev @ConstantContact. I'm also the editor of the http://AndroidWeekly.net newsletter 🇺🇲🇭🇺
walmyr carvalho @walmyrcarvalho.com.br • 🇧🇷🇳🇱
• (off) road cyclist 🚴🏽
• beginner climber 🧗♀️
• android @ NS 🚆
• design rookie 🎨
• community @ android dev br
https://walmyrcarvalho.com.br/
Ben Kadel @benkadel.com Senior Mobile Engineer at @getyourguide 🇬🇧🇩🇪👨💻
My site & talks: https://benkadel.com
Presenter/Teacher & YouTuber: http://youtube.com/benkadel
Twitter: https://twitter.com/ben_kadel
Aaron Alaniz @aaron.alaniz.xyz Grateful husband and father of three. Mobile engineer at Block
📍Corpus Christi, TX 🌊
🌐 aaron.alaniz.xyz
🤘🏽UT Alumni 2012
Mihai Neacsu (Trakx) @trakx.bsky.social Mobile Engineer
@ Deutsche Bank
@ NCSystems Dev
X exPentaGuy
- I produce bugs and call them features!
- Android, because @deprecated is not deprecated enough!
Luli Perkins @luliperkins.bsky.social 👩🏽💻 PMM on Google Developer Studio focused on developer social media. 📜 Classic Disclaimer: Opinions are my own.
Nina @niiranen.net Android Dev and general nerd. 🏳️⚧️🏳️🌈 She/Her
Swede living in London 🇸🇪🇬🇧
pfp by @makorie.bsky.social
Stylianos Gakis @gakisstylianos.bsky.social Android Dev at Hedvig, Working on https://github.com/HedvigInsurance/android
I live in Stockholm, Sweden 🇸🇪, and I come from Greece 🇬🇷
Jaewoong Eum (skydoves) @skydoves.bsky.social Senior Developer Advocate & Engineer at @revenuecat.com 🥑
Google Developer Expert for Android and Firebase. An open-source software engineer.
GitHub: github.com/skydoves
Dove Letter: doveletter.dev/
Android Book: www.android.skydoves.me
Florina Muntenescu @florinam.bsky.social 
Rikin Marfatia @heyrikin.bsky.social I build UIs
Design Technologist @ Instacart
Andrei Shikov @shikasd.bsky.social Mostly read/rarely post • Jetpack Compose @ Google • Opinions are my own
Zachary Powell 🥑 @devwithzachary.bsky.social go to devwithzachary.com
Nate Ebel @n8ebel.bsky.social 🖥️ Software Developer & Tech Lead
👨💻 Ex Kotlin Google Developer Expert
Nick Butcher @nickbutcher.bsky.social Jetpack Compose Product Manager @ Google
Simona Milanovic @anomiss.bsky.social Android DevRel Engineer
@Google, working on Compose and Studio 🤙
Jolanda Verhoef @lojanda.bsky.social Android Developer Relations @Google. Hasn't touched XML layouts in years.
ani @anais.dev A rudimentary shelf and wall bear witness to the silent theater of her existence.