

KRUG #4 2025
Hello Ruby enthusiasts,
We’re back! After postponing the September meetup, we’re thrilled to announce the rescheduled KRUG #4, powered by Zendesk.
Zendesk is a global tech company building AI-powered solutions that help about 100,000 businesses connect with their customers and employees. Their Kraków office is one of the main growth hubs in Europe, where engineers, designers, and product managers shape the future of customer and employee experience. Zendesk Poland combines big-scale innovation with local community, embracing cutting-edge AI to accelerate product design and development.
If you’re passionate about solving meaningful, complex problems and shaping the future of service, Zendesk can’t wait to meet you!
Join us on October 28, 2025 at 18:00 at the Zendesk office (Marii Konopnickiej 29, Kraków) for an evening packed with Ruby insights, great talks, and community vibes.
🎤 Agenda:
Jan Dudulski - Decider Pattern
Wojtek Wrona - From PostgreSQL to SQLite in Rails: Our Migration Journey, Challenges, and Lasting Trade-Offs
Thomas Countz - Dependency Tax: What We’re Learning about Managing Gem Upgrades
Sebastian Tekieli - Build Mobile Apps the Rails Way
As always, we’ll wrap up with some relaxed community networking. 🚀
⚠️ Registration on Luma is required.
A personal QR code will be sent to your email - you’ll need it to enter the Zendesk office.
We can’t wait to see you all again - thank you for your patience and support! ❤️