Kateryna Nezdolii (aka nezdolik) is an engineer by heart on Spotify’s Infrastructure and Operations team in Stockholm, Sweden. Her team develops and maintains perimeter systems that handle all ingress and egress traffic between clients and backend systems. Previously she helped to build Spotify’s in-house observability and search systems. She used to be a maintainer of Spotify open-source monitoring systems (Heroic, Fast Forward) and her current passion is contributing to Envoyproxy ecosystem. Besides of being obsessed with engineering Kateryna is totally obsessed with maltipoos.