👨💻 Software engineer working with Ruby & Rails. Amateur musician 🎹
www.2n.pl CEO, RoR developer, sailor, m:tg player.
Geek, engineer, blogger, codefella, serial reader. Engineering leadership for a living. I speak here for myself only.
NopeJS programmer at https://northpass.com, unfulfilled football player, board/war gamer, Vim cleric and Elixir fanboy.
Co-author Collaborative Software Design: How to facilitate domain modeling decisions. Independent consultant & trainer specialised in technical leadership, software architecture, and #sociotechnical systems design. #DDD #TeamTopologies #DeepDemocracy
CEO/Engineer, creator of Sidekiq
https://mikeperham.com
https://contribsys.com
https://sidekiq.org
Portland, OR
Father, learner, teams & products builder, DDD & ML mixer, leader, contributor, and freeride biker by ❤️ working as Head of Engineering for Revolut Business.
Founder at Brand24 a social listening company with thousands of clients from 154 countries. Award-winning photographer. Humble singer & guitar player.
software • books • longevity
Software Architect and Modeler | #DDDesign | Systems Transformation | Simplicity | Writes Code | Actor Model | @kalele_io @kalele_domo | em dashes—my own
Software Modelling and Design Conference - https://dddeurope.com
Antwerp, June 8-12, 2026
Live Workshops on Software Design, Modelling, Programming, and Practices - https://ddd.academy/
Founder: exploreddd.com
CEO: virtualgenius.com
Author: https://leanpub.com/eventstorming_handbook
Co-author: https://www.amazon.com/Behavior-Driven-Development-Cucumber-Specification-Example/dp/0321772636
https://www.linkedin.com/in/thepaulrayner
Cyclist, Rubyist, author (http://99bottlesofoop.com and http://poodr.com), obsessive programmer, recalcitrant blogger and the antidote for ambition.
Founder, geek, CTO.
Reading a lot. (ex) Identity guy.
I have opinion (my own) and I'm not afraid to use it.
More -> https://bio.link/tonyszko/
Student of Systems
Consultant @ https://aardling.eu
Curator @ https://dddeurope.com
Author @ https://verraes.net
Tworzę kurs http://cqrsapplied.pl. | I distill DDDesigners. | Domain-Driven Designer, Software Craftsman, Legacy Fighter, and ex-capoeirista. | More -> https://bio.link/pwyczes
Posts about Software Development, Design, and Architecture.
Founder and CEO of NServiceBus. He/Him.
https://udidahan.com/
https://twitter.com/UdiDahan
https://hachyderm.io/@udidahan
Creator of the C4 model and Structurizr | Author | Speaker | Software architecture and diagramming workshops worldwide
Software Design Loudmouth. Works for Thoughtworks. Also hikes, watches theater, and plays modern board games. He/him.
host of https://martinfowler.com
Creator of Elixir. Working at Dashbit and Livebook.
building signed.com and calendearing.com. investing: tifo.com. formerly: @github, @gitlab.
Open Sourcerer. Co-author of the Extensible Web Manifesto. Creator of Bundler, Cargo and Ember.js. Father of wykittens and wifelette's husband. he/him
Save the date: April 17-19, 2026
Tickets: https://wrocloverb2026.konfeo.com/en/groups
Agenda: https://wrocloverb.com/agenda
Senior Software Engineer building systems that scale. Domain-Driven Design practitioner, RailsEventStore maintainer, event sourcing expert. arkency member.
Author of Balancing Coupling in Software Design and Learning Domain-Driven Design 🐒
Rewrite or modernize exisitng app? Maybe something in between? Join me on 31 March 7 pm CET https://arkency.com/webinars/rescuing-rails-applications/
Software Developer @arkency
#EventModeling author, #EventSourcing programmer and contributor, #EventDriven systems architect, #GIT geek, #FOSS proponent and #OpenStandards supporter
EventModeling.org
AdaptechGroup.com
⚡ Event Sourcerer
✍️ Blogger at http://event-driven.io
👨💻 Open Sourcing at https://github.com/oskardudycz
📧 Newsletter: http://architecture-weekly.com
Arkency | RailsEventStore | wroc_love.rb
Rails programmer since 2004
Chess player aspiring to become IM
coffee amateur
sf books lover
DDD, CQRS, Event Sourcing
