Сurrently involved in development of mobile virtual packet core according to 3GPP standards. First part of development is non-transparent gtp-proxy with separation of control plane and user plane.Languages used: golang, c. Framework: DPDK, VPP.Recently I was working in company, which was developing POS(Point-of-Sale) terminals. I was involved in embedded OS development. I was involved in development and bug fixing of OS communication stack(WiFi, Bluetooth, GPRS, Modem). Previously in the same company was working on test framework modification, new features implementation in our test tool, test tool development, automating existing tests(making proper packaging to use on Jenkins(makefile modification)), automating Jenkins operations using Python Jenkins API, some bash scripting.Used frameworks - UnitTest++.I like to work with communication systems, so prior to Verfione I was involved in telecom equipment testing. I was working in outsource project for Scandinavian telecommunication equipment provider. I was performing testing activities for device that serves as GGSN. My everyday activities were including manual testing(not the same as clicking web browser, but configuring services and simulating mobile users), performance testing using Spirent's Landslide, Ixia catapult and a lot of Test Automation. Used framework RobotFramework.