Lineup

Bernard Banta

Finplus Group | Co-founder & CTO

Finplus CTO & co-founder. African Ruby Community Chair. 14+ yrs in tech, solving financial exclusion problem. Africa tech innovator & speaker.

Sanarei Protocol: Offline Web Browsing with Ruby

Sanarei: Offline web browsing. By leveraging lean design & USSD, it provides seamless offline web interactions without traditional connectivity.

The photo of Bernard Banta, black man wearing glasses and light blue shirt.

Chris Hasinski

I'm especially interested in webapp performance and AI/ML. Ex-UCDavis researcher, RoR consultant and database enthusiast. Talk to me about vector DBs!

Image Vector Search

An AI model in my app? No APIs, no Python and no arcane knowledge! A demo on how to build an ONNX-powered unlabeled image recognition with just Ruby.

The photo of Chris Hasinski, wearing glasses and black jacket.

Matz

the Creator of Ruby

KEYNOTE SPEAKER

confirmed speakers

Event-sourced mental models in Ruby

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Tim Riley

Core team at Dry-rb, Rom-rb, Hanami

KEYNOTE SPEAKER

Roman Samoilov

Ruby developer, mentor, and author of the Rage framework; passionate about performance, simplicity, and sharing knowledge.

Modernising Ruby Systems with Rage

Discover the story behind the Rage framework: the challenges it solves for Ruby developers and its impact on real-world systems.

The photo of Roman Samoilov, bald smiling man in a checkered shirt.

Ismael Celis

Web developer since 2001, formerly at Thoughtbot London, currently consulting. Background in e-commerce and APIs. Fan of diagram-driven-development.

Event-sourced mental models in Ruby

I'll show how Event Sourcing and Ruby can provide a cohesive programming model where auditable data, durable workflows and reactive UIs are the default.

The photo of Ismael Celis, a grey hair man wearing dark blue sweater.

Gavin Morrice

Cleo AI | Senior Engineer

A jazz musician turned software engineer who is fascinated by design patterns and building future-proof, scalable systems.

Objects talking to objects

An exploration of what it means to think in OOP, where process lives, and how to keep complex systems robust, scalable, and flexible.

Christoph Lipautz

Meister | Staff Engineer

Christoph (he/him) is a Complete-Stack Developer,  Staff Engineer at Meister, and loves to build, guide, share,  and learn.

A Framework for Tech. Debt

This talk reveals a framework to tackle technical debt, clear roadblocks, and boost innovation. Learn practical steps to conquer your Ruby legacy!

Youssef Boulkaid

workato

I am a developer, Rubyist, photographer, and occasional writer with a passion for crafting thoughtful, human-centered software.

Failed to build gem native extension

This talk demystifies concepts such as native extensions, C Makefiles and compiler flags so you can understand this dreaded error and how to solve it!

Hans Schnedlitz

Meister | Staff Engineer

Hans is a Ruby engineer passionate about developer productivity and keeping software fun. When he's not staring into his laptop, you'll probably find him with his nose in a book  or climbing some mountain.

Fresh Features, Julienne Cut

Cooking and software engineering have more in common than you think. For one, both involve cutting things to pieces! In cooking, we slice veggies. In software, we dice features. In this talk, we'll learn how to ship faster by breaking extensive features into manageable chunks.

Cristian Planas

Cristian Planas has 15 years of Rails expertise, from startup CTO to big company Tech Lead. His focus is on scalability and performance issues.

Full Circle: How Modern Ruby Powers the Re-integration of High-Speed Microservices into Rails

This talk shows how the modern Ruby ecosystems can reintroduce microservices into monoliths, reversing older splits spurred by C-Ruby's constraints.

The photo of Cristian Planas, widely smiling

Frederick Cheung

Skiller Whale

Currently lead engineer at Skiller Whale, I've been building Rails apps since 1.0. Away from the computer, I enjoy running, cats & video games.

What software engineers can learn from the Chernobyl disaster

The Chernobyl disaster sounds remote, but the incredible events around it are full of insights about the everyday challenges we face as developers.

Jônatas Davi Paganini

Timescale | Developer Advocate

Terminal veteran (20+ years). Global speaker on performance & architecture. Expert across embedded, 3D printing, web & mobile. Problem solver.

Deep dive into  the timescaledb gem

TimescaleDB gem: The Ruby wrapper for hypertables, automated partitioning, continuous aggregations, and time-bucket optimization in Rails apps.

Jess Sullivan

Scan.com | Senior Software Engineer

Jess transitioned from a decade in education to becoming a Ruby engineer. Outside of coding, she enjoys hiking, playing saxophone, gardening, and time with her Old English Sheepdog.

ActiveRecord Unveiled: Mastering Rails’ ORM

ActiveRecord powers Rails' database magic — but what happens behind the scenes? This talk unpacks how Rails' ORM maps data, revealing the key mechanisms at work.