Oleksii Moskalenko is a seasoned software engineer with a Master's degree in Digital Signal Processing and Data Science from Dnipropetrovsk National University and Ukrainian Catholic University, respectively. He has worked for various organizations throughout his career, including Gojek, Wix.com, People.ai, HealthJoy, Wargaming.net, and AVG. Moskalenko's expertise lies at the intersection of Data Engineering and Data Science, where he works on productionizing Machine Learning models and developing distributed processing databases. He is a core contributor and maintainer of Feast, a Feature Store for Machine Learning, with over 2.5K likes on GitHub. He is proficient in Java, Scala, Python, and Go.