I've been programming for over a decade and built a wide variety of things: websites, tools, games, automation etc.
Mostly dealing with custom solutions on various platforms with Javascript.
Dealing with both front- and backend.
At times doing projects for Android or 3D.
Quick overview of general skills:
Javascript (prefer vanilla + server-side: node.js, including Typescript), Java (Android), C (Arduino, ESP), PHP, MySQL, HTML5, CSS, PWA (progressive web app), Websockets, WebGL (Three.js), browser (Chrome) extensions, Ajax, JSON, Git, debugging, bitwise and complex operations, scraping websites, automation, bit of Python and other various languages. Blender (3D modeling, rigging, animation), Adobe products (Illustrator, Photoshop), making vector art and assets to animate on browser, MS Office stuff, Linux, Windows.