Keynote: Garry Tan, President & CEO of Y Combinator
Rubyist, Creator of GStack
Space / tap to jump · grab coins and rubies · dodge the pythons
Starting July 8, Anthropic will verify the identity of flagged Claude accounts with a government ID and a selfie check, and it chose Persona, the SF identity platform that calls itself a Rails-first company, to run the verification. For Persona ($418M raised, $2B valuation), it lands a month after FedRAMP Moderate authorization.
Read the coverageOur first conference: three days at SFJAZZ in San Francisco, keynoted by Garry Tan, President & CEO of Y Combinator. The CFP opens July 6, early bird tickets go on sale for one day on July 15, and sponsorships are open now.
Conference detailsRuby Central's flagship lands in Las Vegas with keynotes from Matz, Dave Thomas, Jessica Kerr, and Obie Fernandez, plus the first class of Ruby Fellows. SF meetup regulars fill the program: Cameron Dutro, Jeremy Evans, Alexander Baygeldin, Marco Roth.
RegisterA new format: fewer talks, more connecting, with a full round of stage intros. Cameron Dutro presents Garnet.js, his JavaScript implementation of the YARV virtual machine, joined by Alexander Baygeldin (Evil Martians) and Marco Roth. 83+ RSVPs already.
RSVP on LumaRubyLLM spent June 24 on the Hacker News front page with 446 points and 82 comments, the loudest mainstream moment yet for Carmine Paolino's library. v1.16 shipped days earlier with concurrent AI tool execution, observability instrumentation, and proxy support for every provider.
Read the threadSam Ruby compiled a Rails blog app through Roundhouse into Spinel, the ahead-of-time Ruby compiler Matz is building with Claude's help, producing a native binary that runs in 13MB of RAM. Spinel covers a deliberate Ruby subset, and it points at Ruby on the edge and in embedded devices.
Read the writeupAndrew Atkinson documents how Aura Frames survived Christmas Day: 41M API requests an hour and 226K database transactions a second across eight sharded Postgres primaries, on Rails' built-in Multiple Databases support with disable_joins, keyset pagination, and Memcached.
Read the case studyGemini users can now connect Instacart and build a real, shoppable cart in conversation, then check out for delivery or pickup. Gemini joins Claude and ChatGPT among the major assistants with agentic Instacart shopping. In June the Rails-built platform shipped Immersive Feed, a shoppable video ad format.
Read moreCEO Chris Britt says investment accounts arrive within months: individual stocks, ETFs, bonds, and robo-investing powered by Jade, Chime's generative-AI agent. The Rails-built neobank, 10.2M active members strong, keeps widening its lane after posting its first GAAP-profitable quarter this spring.
Read moreAndy Croll's single-day seaside conference delivered 11 talks: Iliana Hadzhiatanasova on 15 years of upgrades in a 3-million-line monolith (Rails 3.0 to edge), Craig Norford on scaling multi-tenant Sidekiq, a performance-engineering session from Elena Tănăsoiu and Emma Gabriel, and Brian Casel on why your experience is your AI advantage.
See the programHosted with Sam Lambert. Jeremy Evans (Ubicloud) walked through implementing Core Set, Hal Spitz delivered "ActiveJob: Call Me Maybe," and Irina Nazarova demoed local-first Rails with pglite and Electric, plus making Ruby resources discoverable to LLMs.
Event pageAll 17 talks from the first-edition conference are up on rubyevents.org, including keynotes from Irina Nazarova ("Startups on Rails") and Kieran Klaassen ("Building Cora Solo"), plus Avi Flombaum's "Don't Read the Code: Trusting AI With Your Rails Codebase."
Watch the talksThe Rails-built open-source support platform (YC W21) added 4,100+ GitHub stars this month, the most of any Ruby repo, and launched voice calls in beta: Twilio phone calls and WhatsApp calling alongside Captain, its AI support agent.
See the changelogThe official mcp gem shipped v0.19 through v0.22 inside June: OAuth client-credentials support, W3C trace context propagation, ephemeral sessions, and a 5-100x speedup in tool schema validation. Ruby keeps pace as an agent-native backend language.
Release notesAndré Arko published the plan and progress for rv, his Rust-based, uv-inspired Ruby manager: v0.6 delivers near-instant Ruby installs and project setup. Bundler's longtime lead is rebuilding Ruby onboarding for the speed developers now expect.
Read the planYC's software team, about 20 engineers behind Work at a Startup, Demo Day, GStack, and GBrain, is hiring Product Engineers in SF on a stack of Rails, React, Postgres, and LLM APIs. The accelerator whose president keynotes our conference in November ships on Ruby.
See the rolesGusto (Staff, Payments/Risk), Superconductor (Principal Rails), Koah Labs, Omada Health, CompanyCam, plus Thatch, Persona, Chime, Patch, Reset, and Finta. New Rails teams hiring this month: Y Combinator, WindBorne (Redwood City), Opendate, and Jukebox Health.
Browse all jobsNews 1 of 17
Connect with founders and engineers building with Ruby. Learn, share, and make friends for life!
Typesense and WorkOS are first in. Thank you!
66 open positions at Ruby startups and companies.
Persona · Remote (US)
WindBorne Systems · Redwood City, CA (In-person)
Salma Health · Hybrid (Bay Area preferred) / Remote (US)
Opendate · Remote (US)
Jukebox Health · Remote (US)
Checkmate · Remote (US)
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28 startups are part of the SF Ruby community.
AI-native browser tool for building and deploying full-stack web apps with zero code. Launched 2024; $40M ARR in 5 months.
Online healthcare training for entry-level roles in four months. Tech-driven, accessible to those with a high school diploma.
API for issuing NFC keys for Apple and Google Wallet for startups, access control integrators, and large enterprises.
Suppli provides digital payments and accounts receivable (AR) software solutions for construction materials supply and distribution sector.
Accelerating innovation in healthcare with our universal API, powered by the Synchronizer. Used by tens of thousands of practices in North America, and hundreds of startups building with us. We're a healthtech unicorn!
Simple AI makes it easy to build and deploy enterprise-grade phone agents in days, not weeks. Iconic businesses use us for sales calls, customer support, leads qualification, and more. YC-backed.
Insurtech startup that utilizes generative AI to optimize insurance underwriting processes.
AI-powered business assistant that answers, qualifies, and follows up with every lead around the clock—so you never miss a customer, call, or opportunity.
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