Ivan Kryukov is an accomplished software developer with extensive experience in backend development, currently serving as Lead Java Developer at PaySend since March 2021. Previously, Ivan worked at Multicarta (VTB Group) from July 2019 to March 2021, focusing on Java and Kotlin for the "Bill placement" and "Auto payments by balance" modules within the VTB-Online system. Ivan's early career included positions as an Engineer at the National Research Nuclear University MEPhI from September 2015 to December 2018 and as a Laboratory Research Assistant at the Keldysh Institute of Applied Mathematics RAS from July 2013 to April 2016, where numerical modeling of high-temperature plasma phenomena was a key responsibility. Ivan holds a Master's degree in Theoretical and Mathematical Physics from the National Research Nuclear University MEPhI, obtained in 2016.