work as software developer since 1999. Mostly C/C++ and Java, but had also projects on PHP, Node.js, C#

Databases used in projects: MySQL, MSSQL, Oracle, Apache Cassandra. Host OS and target OSes: Windows 3.1-10, Linux (all possible x86/ARM), MacOS. Embedded projects: MangOH board, Raspberry Pi.. Mobile OSes: Symbian - a lot, Android - AOSP, building custom firmware., Windows CE and Mobile - not much. Server monitoring and administration: nagios Security using openssl and libsodium RESTful backend microservices using Java Spring