Software developer and consultant at Visuality (a software house in Warsaw / 'Orso'). Interested in domain-driven design, event sourcing, event-driven architecture and EventStorming. At wroclove.rb 2022 delivered 'Introduction To Event Sourcing: How To Use It With Ruby', walking through the Eventide toolkit. At wroclove.rb 2025 presented a workshop on building production AI apps with MCP and OAuth on Rails.