Repair of electronic and electrical devices.

Tutoring students in topics related to physics, chemistry, economics, statistics, environmental protection, mathematics, computer science. At the university level as well as at school.

Creating projects in any programming language that the client chooses.

Creation, development, editing, configuration of servers for many games. Writing your own plugins for these servers. TF2 servers (https://github.com/JohnyP41/tf-sourcemod). Creation and development of websites and forums for these servers. Gametracker connection to the game servers. Translation of the WorldEdit, WorldGuard plugin. Translation of the Hidden plugin (https://github.com/JohnyP41/tf-sourcemod/blob/master/hidden.sp). Installation and configuration BungeeCord for the game servers. Configuring plugins for servers, translating them. Development of the system for the automatic handling of VIP purchases on servers and bug fixes (https://github.com/JohnyP41/tf-sourcemod/blob/master/online_shop.sp). Editing templates for websites. Installation and configuration of SourceBans++, HLStatsX on websites and servers. Plugin development TF2-Jailbreak-Redux (https://github.com/Scags/TF2-Jailbreak-Redux). Creating your own system that prints bans on the website for the game server. You can also search for bans and read more detailed information about the ban. (https://github.com/JohnyP41/PHP/blob/master/index.php).
Development of a website dedicated to the ranking game in TF2. (https://github.com/JohnyP41/strona). Creation and development of several Team Speak 3 servers. (https://github.com/JohnyP41/Team-Speak-3). Creating a website for VIP sales (https://github.com/JohnyP41/sklep)