RubyConf ThailandBangkok 🇹🇭
January 31, 2026
January 31, 2026
15 years of Rails with DDD — lessons learnt
Andrzej Krzywda
- ENTREPRENEUR
- CEO @ ARKENCY
- RAILS EXPERT
- CONFERENCE SPEAKER & MC
- FIDE CANDIDATE MASTER
Hi, I'm Andrzej Krzywda.
I'm the CEO of Arkency, a software consultancy specializing in Ruby on Rails.
With over 20 years in software development, I've led teams, built products, and spoken at conferences worldwide.
I'm passionate about sharing knowledge, fostering innovation, and driving excellence in software craftsmanship.
PodcastExplore reflections on software, leadership, and growth.
In Andrzej on Software, I share short, unfiltered thoughts shaped by decades in software and business. From Ruby and DDD to team habits and creative flow - these solo episodes capture what it really feels like to build and lead in tech.
Conference speakerBring real-world tech leadership stories to your stage.
With two decades in the trenches of software development, I bring talks that mix technical insight with leadership lessons. Expect stories and ideas that motivate people how to act.
Bring me to your eventUpcoming Talks
Selected Past Talks
- RubyConf IndiaJaipur 🇮🇳
September 12, 202515 years of Rails with DDD — battle-tested patterns
- Paris.rbParis 🇫🇷
July 01, 202515 years with Rails and DDD
- ChicagoRuby MeetupChicago, IL 🇺🇸
June 04, 202515 years of Rails with Domain Driven Design - lessons learnt
- Dolnośląska Grupa Użytkowników Ruby (DRUG)Wrocław 🇵🇱
July 21, 2025Residues on Rails
- wroc_love.rb 2023Wrocław 🇵🇱
September 15, 2023Panel: Event-driven Rails
- Warszawa SpotkanieWarszawa 🇵🇱
January 16, 202310 lat mojego DDD w 30 minut + Q&A
- SRUG 1.2022Gliwice 🇵🇱
August 24, 2022Poukładajmy Twoje Railsy wg domen
- Dolnośląska Grupa Użytkowników Ruby (DRUG)Wrocław 🇵🇱
July 18, 2022DRUG #112 Lipiec 2022
- Boiling Frogs 2021Online 💻
March 20, 2021Discussion panel: DDD — the Reality
- RubyConfBY 2019Minsk 🇧🇾
April 06, 2019Business Logic in Ruby
- RubyC 2018Kyiv 🇺🇦
June 02, 2018From Post.create to PostPublished.new
- wroc_love.rb 2018Wrocław 🇵🇱
April 18, 2018Panel: Elixir vs. Ruby
- Pivorak (Lviv Ruby Meetup)Lviv 🇺🇦
May 26, 2017From Rails to serverless, via DDD and microservices
- wroc_love.rb 2016Wrocław 🇵🇱
March 11, 2016From Rails Legacy to DDD
- Boiling Frogs Software Craftsmanship 2016Wrocław 🇵🇱
January 16, 2016From legacy to DDD
- Programistok 2015Białystok 🇵🇱
October 10, 2015From legacy to DDD
- wroc_love.rb 2015Wrocław 🇵🇱
March 13, 2015Panel: DDD/CQRS/ES
- wroc_love.rb 2014Wrocław 🇵🇱
March 14, 2014Q&A: Legacy Rails
- wroc_love.rb 2013Wrocław 🇵🇱
March 01, 2013Panel: FP vs OOP
- wroc_love.rb 2012Wrocław 🇵🇱
March 10, 2012Fishbowl Discussion: Testing
Master of CeremoniesKeep your tech event substantive, human, energetic and on time.
As a veteran of hundreds of events, I bring a rare mix of humor, empathy, and timing. I help audiences feel connected and speakers feel supported - because a great event is about flow, not just schedule.
Book me as your MC