Rosa @rosa.codes 🇪🇺 European ❤️ cities, maths, theoretical computer science, learning languages, puzzles & bicycles 🐶 Human to Mochi 👩🏻💻 Principal programmer @ 37signals - she/her - Antwerp 🇧🇪 / Madrid 🇪🇸
Eshat | Web Developer 👨💻 @eshat.bsky.social 7+years | Full Stack Web Developer | Django | React | REST APIs | Helping businesses build modern, responsive websites. Open to freelance projects. 📩 DM to collaborate!
Colby Swandale @colby.fyi Technical Lead @ RubyCentral. Making rubygems.org, bundler/rubygems & rubyapi.org
Charlie Cheever @ccheever.com @expo.dev @castle.xyz . Pittsburgh -> Palo Alto
Ben Hong @bencodezen.io 👨💻 staff dx engineer / io psychologist / educator hybrid
📝 productivity / notes / docs nerd
💚 vue core ∙ 🔺 angular team ∙ 🏔️ nuxt ambassador
Paul Frazee @pfrazee.com CTO at Bluesky. Not a nerd.
Martin Fowler @martinfowler.com Software Design Loudmouth. Works for Thoughtworks. Also hikes, watches theater, and plays modern board games. He/him.
host of https://martinfowler.com
Theo @t3.gg Full time CEO & YouTuber. Also an investor and developer. More info at t3.gg
Mike McQuaid @mikemcquaid.com I'm CTPO at Administrate, Homebrew Project Leader, ex-GitHub Principal Engineer, author of Git in Practice and an OSS and developer productivity leader.
Posting mostly automated from mikemcquaid.com.
If you want me to read your reply: email me instead.
Charles Oliver Nutter @headius.bsky.social JRuby co-lead, Java champion, Ruby hero, JavaOne Rockstar, international traveler and speaker. Book me for your next event! I depend on your donations and sponsorships! https://github.com/sponsors/headius
Aaron Patterson @tenderlove.dev Ruby and Rails hacker working at Shopify, living in Seattle
Mohammed Elias @mohammedelias.bsky.social - Gestão Financeira
- MBA em Negócios Digitais e E-Commerce
- Relações Internacionais
Debater com fatos e argumentos os Tudólogos digitais
Ernesto Tagwerker @etagwerker.com Proud Father. Loving Husband. #OpenSource Maintainer. Pronouns: He/Him. Also: Founder & CTO at @ombulabs.ai & @FastRuby.io.
Dan Shipper @danshipper.bsky.social Co-founder at Every
@jasonswett.bsky.social @jasonswett.bsky.social 
Nathan Baschez @nbaschez.bsky.social Building, and writing
David Cramer @handle.invalid the most authentic person you know
@sentry.io @syntax.fm @peated.com
Xavier Noria @fxn.bsky.social Everlasting student · Rails Core · Zeitwerk · Freelance · Life lover
Justin Searls @searls.bsky.social I make things that nobody's asking for.
I used to post things that nobody was asking for, but then I stopped. Learn about me at https://justin.searls.co or reach out to justin@searls.co
Tim Kadlec @tkadlec.bsky.social Principal Product Manager @cloudflare—focused on performance and observability.
Co-chair of https://perfnow.nl
Taller than my photo looks. 
k0kubun @k0kubun.com Optimizing Ruby JIT. ZJIT team at Shopify.
Justin Weiss @justinweiss.com Engineering at Aha.io. Writes (occasionally) at https://www.justinweiss.com.
Also on Mastodon at: https://mastodon.justinweiss.com/@justin
@ioquatix.bsky.social @ioquatix.bsky.social 
Victor Shepelev 🇺🇦 @zverok.bsky.social aka zverok.
Ruby core team / Ukrainian Armed Forces
Програміст, письменник, типу офіцер.
https://zverok.space/
Emily Samp @emilysamp.dev Engineering Manager at Shopify. Mom, Rubyist, CEO of @wnb-rb.dev. she/her 🏳️🌈
John Nunemaker @johnnunemaker.com Tweets about Ruby/Rails. Building @boxoutsports.com, @fireside.fm and @flippercloud.io. Huge fan of 🏀 and ⏱️ (southbendwatch.co).
Trevor Turk @trevorturk.bsky.social Programming Hello Weather. Previously Impactive, IFTTT, Clearbit, and 37signals.
Jason Frey @fryguy9.bsky.social Chief Architect on @ManageIQ.bsky.social at IBM, formerly Red Hat CloudForms -- I ❤️ Ruby, Rails, and Crystal
Twitter: @Fryguy9
Mastodon: @Fryguy@ruby.social
Kasper Timm Hansen @kaspth.com @spinel.coop • https://rv.dev • https://gem.coop core team • https://kaspth.com • former Rails core
Andrew Atkinson @andyatkinson.com Software Engineer, Author, High Performance PostgreSQL for Rails
andyatkinson.com/pgrailsbook
Mike Perham @mike.contribsys.com CEO/Engineer, creator of Sidekiq
https://mikeperham.com
https://contribsys.com
https://sidekiq.org
Portland, OR
Alan Couzens @alancouzens.bsky.social Exercise physiologist, coach, coder, MAD Scientist, #INTP #ChaoticGood 🇦🇺
https://alancouzens.com/my_book.html
Valerie Woolard @valeriecodes.bsky.social software engineer 👩💻, chaotic good, INTJ, she/her
Martin Emde @martinemde.com Modularity @ Gusto, Rubyist
Rachael Wright-Munn @chael.codes Software Engineer since 2012 | Live coding on Twitch since 2019 | open-source contributor | Programming Game Enthusiast | Featured in "One Dreamer" video game! ✨
Jean Boussier @byroot.bsky.social Rails core, Ruby committer, Senior Principal Engineer at Intercom.
Sam Barrett, PhD @ai4geo.bsky.social GeoAI, Climate, Remote Sensing, Generative AI and more!
dax @thdxr.com building opencode.ai
Sam Harsimony @harsimony.bsky.social I write about opportunities in science, space, and policy here: https://splittinginfinity.substack.com/
Simon Willison @simonwillison.net Independent AI researcher, creator of datasette.io and llm.datasette.io, building open source tools for data journalism, writing about a lot of stuff at https://simonwillison.net/
Ted Underwood @tedunderwood.com Uses machine learning to study literary imagination, and vice-versa. Likely to share news about AI & computational social science / Sozialwissenschaft / 社会科学
Information Sciences and English, UIUC. Distant Horizons (Chicago, 2019). tedunderwood.com
Joe Fabisevich @mergesort.me Director of AI Product Engineering @ Pursuit.org. I used to make Twitter (better), then that all went to hell. Now I make puns, @plinky.app, and build.ms.
Born and raised New Yorker, trying to do a little good and be the friend you made along the way. 🍕🐱⚾️
Steve Klabnik @steveklabnik.com #rustlang, #jj-vcs, atproto, shitposts, urbanism. I contain multitudes.
Working on #ruelang but just for fun.
Currently in Austin, TX, but from Pittsburgh. Previously in Bushwick, the Mission, LA.
hailey @hailey.at spreadsheet pusher.
agents, safety, and atproto.
opinions are my own, especially the bad ones.
Peter Steinberger @steipete.me vibe coding is the way. I bootstrapped a remote company before it was cool. Founder @PSPDFKit (exit to Insight). 🏳️🌈
Marcin Krzyzanowski @krzyzanowskim.com Member of Technical Staff @ Goodnotes
mr. TIM @timkellogg.me AI Architect | North Carolina | AI/ML, IoT, science
WARNING: I talk about kids sometimes
goose @opensource.block.xyz local open source AI agent that automates complex developer tasks, is LLM-agnostic, integrates with MCP, and is available in both Desktop and CLI
Nathan Lambert @natolambert.bsky.social A LLN - large language Nathan - (RL, RLHF, society, robotics), athlete, yogi, chef
Writes http://interconnects.ai
Prev Ai2/Olmo, HuggingFace, Berkeley, and normal places
Sebastian Raschka (rasbt) @rasbt.bsky.social ML/AI researcher & former stats professor turned LLM research engineer. Author of "Build a Large Language Model From Scratch" (https://amzn.to/4fqvn0D) & reasoning (https://mng.bz/Nwr7).
Also blogging about AI research at magazine.sebastianraschka.com.
jeffery --dangerously-skip-permissions @jefferyharrell.bsky.social Dilettante. Tinkerer. Possibly a robot.
hikikomorphism @hikikomorphism.bsky.social haskell/rust/art/shitposting/assyrian
she/her (like a ship, not like a person)
blog: recursion.wtf
Arseny Khakhalin @khakhalin.bsky.social Data Scientist in Berlin
Head of Automation in incycling.ai
Former Bard College prof
For my after-work alter-ego, see @elstersen.bsky.social
Support Ukraine! 🇺🇦
dan @danabra.mov в городе новые стены, но чистый снег
Yaroslav Shmarov @yarotheslav.bsky.social Learn Hotwire Native & Launch your Rails app on mobile ➡️ https://superails.com/playlists/turbo-native
Stefanni Brasil @stefannibrasil.me stefannibrasil.me | Talk with me about active transportation, third places, vegan/plant-based, personal finances, and books! Co-organizer of kindfork.ca, a vegan social club based in Calgary.
Russ Olsen @russolsen.bsky.social Engineer, reader, believer in numbers, author of Eloquent Ruby, Getting Clojure, Design Patterns in Ruby and Overdrive.
He, him
Ateş Göral 🔥🐐 @ates.dev coder · open sourcer · graphics/electronics/music tinkerer · dad to 1 human and 2 cats · Chief DIY Officer at home · Principal Engineer at Shopify · opinions are my own—and those of my gut bacteria · https://ates.dev · aka magna
Evan Phoenix @evanphx.dev Startup CEO at @miren.dev
Organic bio-electric pattern matching grid.
Dan Moore @mooreds.com Sr. Director, CIAM Strategy & Identity Standards at @fusionauth.io . Hangs out on HN too much. Author of "Letters to a New Developer", contributor to "97 Things Every Cloud Engineer Should Know". Writes at http://ciamweekly.com
Yukihiro Matz @matz.bsky.social Ruby's Father 
segiddins @segiddins.me All the world is a narrow bridge, and the important thing is to not be afraid.
I used to keep the gems secure.
Rocky Mountain Ruby Conference @rmrubyconf.bsky.social A two day, single track conference in the heart of Boulder, Colorado.
September 28 & 29, 2026. Stay tuned for speaker announcements!
FastRuby.io @fastruby.io Productized services by @OmbuLabs.ai to remediate technical debt in #Ruby and #Rails applications. Open source contributors and maintainers.
Janko Marohnić @janko.io Senior Ruby engineer, father, dancer. Creator of Shrine, rodauth-rails and vim-test.
Sage Griffin 🏳️⚧️🏳️🌈 @sgrif.bsky.social Making the database base the data at pgdog.dev. Creator of diesel.rs. Former co-lead of crates.io. Enby. they/them/elle
Brandon Weaver @baweaver.bsky.social Principal Eng at Microsoft / GitHub, Ruby Central board member, Neurodivergence Advocate. Autistic / ADHD / Depression, He / Him. I'm the Lemur guy. Living and working somewhere about SF, writing on baweaver.com
Ruby Central @rubycentral.org Ruby Central is the organizing force behind RubyConf, RailsConf & the proud maintainers of RubyGems, Bundler. We've been advancing the Ruby ecosystem & community since 2001.
Get involved: https://rubycentral.org
RailsConf 2025: https://railsconf.org
Rafael França @rmfranca.bsky.social Rails developer
Andy Coravos @arc.bsky.social Respawning. Former CEO of HumanFirst (acquired by ICON plc). Curious about Irish poetry and life sciences/biotech. I like birds.
Paul Copplestone - e/postgres @kiwicopple.bsky.social ceo @supabase | YC S20
database.new
Benoit Daloze @eregon.me Expert in dynamic language runtimes and JIT compilation, TruffleRuby lead, Rubyist.
https://eregon.me
Andrew White @pixeltrix.bsky.social CTO @unboxed.co
david celis @davidcel.is 🚒 principal engineer at firehydrant (prev: stripe, hashicorp, github, etc.)
🍕 amateur pizzaiolo
🩺 oauthologist
🌲 portland, ore.
🌐 https://davidcel.is
André Arko @indirect.io thought misleader at cuberule.com
tired of saying https://actually.men
community gem server at https://gem.coop
ruby tools and consulting at https://spinel.coop
Josh from Honeybadger @joshuawood.honeybadger.io @honeybadger.io co-founder 🧡
@joshuawood.net worksonified🕴️
Blog: https://joshuawood.net ✍️
Podcast: @founder.quest 🎙️
Developer-first monitoring and observability. 📈
Ben Curtis @bencurtis.com Christian, husband, dad, co-founder of Honeybadger.io, fan of Ruby, creator of the faker gem, EV nut (1, 2, and 4-wheel), LSU football fan, and cycling enthusiast in the PNW.
Brad Gessler @bradgessler.com I build stuff people want with Ruby—like BeautifulRuby.com, Terminalwire.com, TinyZap.com, Thingybase.com, LegibleNews.com, Sitepress.cc, and more.
🧑🏻💻 bradgessler.com 🏗️ rocketship.io 🌉 SF Bay Area
BeautifulRuby.com @beautifulruby.com Video courses, content, and tutorials that will make you a better Ruby and Rails developer at https://beautifulruby.com
Orta Therox @orta.io Somewhat indie games dev/founder on @puzzmo.com with @stfj.net and friends - always thinking about dev tooling
Prior work on @typescriptlang.org and @artsy.net
$ jdx --help @jdx.dev https://github.com/jdx
Jan @jandotai.bsky.social Open source ChatGPT-alternative that runs 100% offline.
@nateberkopec.bsky.social @nateberkopec.bsky.social 
antirez @antirez.bsky.social Reproducible bugs are candies 🍭🍬
I like programming too much for not liking automatic programming.
Gavin Weeks @flikq.dev CoFounder & Champion of UI/UX & Dev https://kolex.gg digital & hybrid collectibles, https://flikq.dev, https://deltasync.pro #F1 platform, https://unwrapped.flikq.dev & https://sky.flikq.dev - I design, scope & build stuff - React/React Native - Sim Racer
Jose Farias @jose.omg.lol AI, Rails, and React at GrowthXAI. Prev 37signals, Harvest. Blog jose.omg.lol
Hanakai @hanakai.org A family of Ruby tools for writing clearer, more maintainable apps. The new home for Hanami, Dry, and Rom.
https://hanakai.org
Peter Solnica 🇺🇦 🇵🇱 🇪🇺 @solnic.dev 🛠️ Building @justcrosspost.app & @repobot.app
👨💻 Elixir/Ruby SDK dev at @sentry.io
💜 Creator of Elixir Drops 💦
❤️ Creator of rom-rb and many dry-rb gems and former @Hanamirb.org core team member
#ElixirLang #RubyLang #OpenSource #BuildInPublic
Benoit Tigeot @benoittgt.bsky.social Dev backend. Previously RSpec core team. #Ruby #Go #PostreSQL. he / him 🏴 I love flags. https://ruby.social/@benoit
Jamon @jamon.dev Founder & CTO @infinite.red, helping companies build and optimize their React Native apps. Podcast host of React Native Radio. Dad to four. Lutheran ✝️
Gant Laborde @gantlaborde.com Mentor, Writer, Mental, Attsion to detail, and CIO and founder in Infinite Red
My Fiction Newsletter: https://forms.gle/zXb39QNiV1seiRfL9
JP Camara @jpcamara.com Principal software engineer @Wealthbox.
Husband/Father. Health, travel, tech and Ruby enthusiast.
Tech blog at https://jpcamara.com
Jokes at https://logicalconclusionscomic.com
Natik Gadzhi @natikgadzhi.bsky.social Engineering leadership, open source, dev tools. Computers were a mistake.
Doing things at Lambda.ai. I don’t speak for my employer.
Blog: https://respawn.io
Ian Sefferman @iseff.com 👨💻 ai-first software engineer.
✨ applying ai to make healthcare cheaper at goodbill.com.
✋ detroiter.
🇮🇱 zionist.
🌲 yellowstone.
🎣 fly fisherman.
🐶 english setter lover and wannabe bird dog trainer.
🌐 more at iseff.com.
Jeremy Kreutzbender @jeremykreutzbender.com Tech stuff - Ruby, Rails, React, Next, Typescript.
Non Tech Stuff - Golf
Spending my days in Portland, OR
Joel Drapper 🇬🇧🇺🇦 @joel.drapper.me I’m a Ruby/TypeScript/CSS engineer at @plane.com and based in the UK. https://joel.drapper.me
I’m building a Ruby/SQLite serverlesslessness framework. I also maintain Phlex, Literal, Morphlex, MaskIcons and Ruby Schema.
Signal: joeldrapper.01
RoRvsWild @rorvswild.com All-in-one monitoring for Ruby on Rails applications.
Track performances and errors for requests and background jobs.
https://www.rorvswild.com
Nathan Robinson @nathanrobinson.bsky.social I post about building software, RE, AI, & architecture
http://Plotzy.ai - CRE Prospecting
http://ArchitectureHelper.com - 🏛️ AI
http://CRESoftware.tech - CRE Software Directory
Nate Hopkins @hopsoft.bsky.social Software writer, maker. Creator of several Ruby and JavaScript libraries.