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Obie Fernandez
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Obie Fernandez
@obie
CTO @zardotapp ✤ Partner at magmalabs.io ­✤ Bestselling Author ✤ DJ/Producer (aka Kyberian, KNBI)
Worldwide
obiefernandez.com
Joined December 2006
1,598
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12.1K
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  • Pinned
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    Obie Fernandez
    @obie
    Nov 16, 2024
    My book is now available in all formats on Amazon!! Readers are singing its praises like “Best book about AI I’ve ever read.“ Check it out yourself now at amazon.com/dp/B0DN9KK4X7 #ai
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    Patterns of Application Development Using AI
    From amazon.com
    11K
  • user avatar
    Obie Fernandez
    @obie
    Jun 27, 2025
    🚂 Announcing ClaudeOnRails! Hey everyone! Just released a gem that might change how you build Rails apps. ClaudeOnRails creates a swarm of specialized AI agents for your Rails project: • Architect (coordinates everything) • Models, Controllers, Views specialists •
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    GitHub - obie/claude-on-rails: A development framework for Ruby on Rails developers using Claude...
    From github.com
    24K
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    Obie Fernandez
    @obie
    Sep 25, 2025
    The larger Rails community (myself included, despite the fact that I lean liberal in my political views) just wants to keep calm and carry on building amazing stuff with our favorite technology and not be beholden to any particular radical agenda on either side of the political
    user avatar
    Greg Molnar
    @GregMolnar
    Sep 25, 2025
    Replying to @jorgemanru
    I have the same experience. Staying silent might not work well though. Some people would only hear one side of the story. They always claim to represent the larger community, yet they get ~30 signatures and some people might think they speak for all of us. Which is definitely not
    19K
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    Obie Fernandez
    @obie
    Sep 26, 2024
    How it started (Rubyconf 2005)…how it’s going! (Rails World 2024) @dhh @tobi @yukihiro_matz #RailsWorld #RailsWorld2024 #rubyonrails
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    54K
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    Obie Fernandez
    @obie
    Sep 26, 2024
    Announcing The Rails 8 Way available today along with the latest version of Ruby on Rails just announced by @dhh at #railsworld2024 leanpub.com/therails8way #nopaas #nobuild #rubyonrails #railsworld
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    11K
  • user avatar
    Obie Fernandez
    @obie
    Jan 13, 2022
    Supporting my @flow_blockchain family as proud new owner of @BALLERZ_NFT #8431 NJ Scientist that I am dubbing "Obiez"... Kudos to @GeniusNFT for a great project
  • user avatar
    Obie Fernandez
    @obie
    May 24, 2025
    Behold the power of @AnthropicAI's Opus 4 in Claude Code... github.com/Shopify/roast/… About 4 hours of human clock time yesterday and approximately $250 in tokens. It's hard to estimate the productivity boost, because... #anthropic #ai #claudecode
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    Refactor god objects to improve SOLID compliance by obie · Pull Request #75 · Shopify/roast
    From github.com
    45K
  • user avatar
    Obie Fernandez
    @obie
    Jun 17, 2024
    Mega kudos to @andrewkane who has released 16 new Ruby gems for AI in 5 months 👏🏻👏🏻👏🏻👏🏻👏🏻
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    16 New ML Gems for Ruby
    From ankane.org
    9K
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    Obie Fernandez
    @obie
    Nov 14, 2025
    Rewrite in Ruby on Rails. Problem solved. You'll have different problems, of course! No silver bullet and all that... but much more manageable.
    user avatar
    Ashutosh Maheshwari
    @asmah2107
    Nov 14, 2025
    Quick question : You have 50 microservices, each with its own API. The frontend team is losing their mind. To render a single page, they make 10+ network calls. The app is sluggish. Users are complaining. How do you fix this ?
    18K
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    Obie Fernandez
    @obie
    Apr 20, 2024
    The Future of Ruby and Rails in the Age of AI link.medium.com/FlIxcekbXIb No joke, this might be the most significant blog post I've ever written. Please retweet if you agree with me that the future of software development will be pioneered by Rubyists!!! #AI #Ruby #RubyOnRails
    link.medium.com
    The Future of Ruby and Rails in the Age of AI
    Rubyists Will Lead the AI Revolution via Prompt-Driven Development
    24K
  • user avatar
    Obie Fernandez
    @obie
    Sep 26, 2023
    I always forget these little bad boys exist. Association callbacks for Rails ActiveRecord!
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    8.7K
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    Obie Fernandez
    @obie
    Oct 27, 2025
    I've spent the last few months building a new full-featured SaaS platform in my spare time. What I've gotten done entirely by myself is equivalent to what would take a high-end team like the ones I used to run at Hashrocket (4 devs, 1 designer, 1 business analyst) at least 6-12
    12K
  • user avatar
    Obie Fernandez
    @obie
    Jul 2, 2025
    🚀 ClaudeOnRails v0.2.0 is here! Now with Rails MCP Server integration for real-time documentation access. Your AI agents just got smarter! ✨ Interactive setup - just press Y 📚 Real-time Rails docs 🤖 Enhanced AI accuracy 🛠️ Zero config needed gem 'claude-on-rails',
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    Release v0.2.0 - Rails MCP Server Integration · obie/claude-on-rails
    From github.com
    5.3K
  • user avatar
    Obie Fernandez
    @obie
    Sep 16, 2021
    btw we're just getting started over at @rcrdshp #musicisvaluable #herecomesthedrop #rcrdshp
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    Dance music NFT platform RCRDSHP closes multi-million dollar seed round, backed by the buyers of...
    From musicbusinessworldwide.com

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