Serhii Hopkalo is a skilled software engineer with extensive experience in the technology sector, currently employed at Solarisbank AG since April 2021. Previous positions include software engineering roles at Surprise.com and Intetics Inc., as well as a trainer role at CodeAngels. Serhii has held senior developer positions at Apptopia, LevelUp, and Svitla Systems, Inc., specializing in Ruby and Ruby on Rails development. Early career experiences involve senior development roles at Baymark Ukraine and Luxoft UA, focusing on embedded programming for automotive systems. Notable projects include the development of media navigation systems for Audi and cash register solutions for bus terminals. Serhii holds a Master's degree in Radio Engineering from the National Technical University of Ukraine “KPI,” earned between 1995 and 2001.