Yaroslav Tkachenko is a software engineer interested in distributed systems, microservices, data-intensive applications, functional programming, modern cloud infrastructure, and DevOps practices. Currently, Yaroslav is a Staff Data Engineer at Shopify, working on data pipelines for merchant-facing data products and analytics. Previously, he was a Senior Software Engineer and later Software Architect at Activision, where he redesigned and rebuilt the data pipeline for Activision games like Call of Duty franchise. Before joining Activision, Yaroslav held various leadership roles in multiple startups. He was responsible for designing, developing, delivering and maintaining platform services and cloud infrastructure for mission-critical systems.