There are also newbie-friendly corporations (Brave Newbies, Brand Newbros, Karmafleet, Pandemic Horde) that are part of the major power-blocs, if you want to get into the politics.
These corporations have IT infrastructures that put most real-world businesses to shame; web sites with custom applications that tie into the game's API (swagger: https://esi.tech.ccp.is/latest/ ), authorization services, voice chat services, Slack integrations, custom ERP systems for in-game industrial management, HR systems etc.