From Internet Explorer 6 to the AI era Astro and SSR, inside out Design systems, tokens to components Author of Nux, a frontend framework Vanilla JS first, framework if needed Semantic HTML and modern CSS Build systems and tooling enthusiast
I'm Konstantin Velichko, a senior frontend developer based in Bishkek, Kyrgyzstan. I design frontend architecture, UI systems, and the tooling around them.
13 years in. I focus on performance, accessibility, and interfaces that stay maintainable, and I use AI coding agents like Claude Code and Codex in my daily workflow.
Projects
nux
A modern, lightweight and flexible TypeScript-first micro-framework for DOM components
axiom
Portable foundation for design systems, with CSS tokens, design rules, and agent skills
mater
JSX and tagged templates to HTML strings or DOM fragments, with no framework and no virtual DOM
lui
Lightweight User Interface, a small TypeScript/JSX component library
eventor
An event handling utility that provides a simple API for creating custom events and registering listeners
littera
Nano typographic framework built on CSS custom properties