Polish Ruby developer with over 10 years of Ruby experience, currently a senior developer (previously principal and team lead) at Chattermill, a company that orchestrates around a dozen machine-learning services over a terabyte-scale database. Speaker at wroclove.rb 2024 with 'Debug like a scientist', sharing a scientific-method-inspired debugging methodology he has used and seen other developers arrive at independently. Jokes about wanting to work remotely 'as a Shepherd in remote parts of Polish Mountains' when stuck on bugs.