Jon-Kristian Ruiz Bruheim

Design, code and the infrastructure underneath.

I’m Jon-Kristian Ruiz Bruheim, a designer and full-stack developer working across interfaces, software and the infrastructure behind them. I’ve been doing this , from writing custom code for

Iniquity BBS waiting-for-caller screen: ANSI text-mode interface with a large block-letter logo, system information and a keyboard menu
Iniquity BBS 1.00 alpha 25, waiting-for-caller screen. © 1994–1995 Mike Fricker.
 to building cloud services, mobile apps, games and AI-assisted systems. I care about thoughtful design, dependable technology and digital experiences that feel straightforward to use.

Get in touch

One practice, several disciplines.

Explore skills →
  • 01

    Design

    Interfaces with clear hierarchy and thoughtful typography, shaped around the content and the people using them.

  • 02

    Frontend

    Fast, accessible front ends that hold up in real browsers on real networks.

  • 03

    Backend

    APIs, data models and integrations. Predictable, tested and easy to change.

  • 04

    Infrastructure

    Linux servers and cloud services, maintained with the same care as the products they support.

  • 05

    Apps & games

    Mobile apps and small games, taken from idea to the app stores.

AI is part of the toolkit.

I use AI tools for visual exploration, research, implementation and review. I also build AI-assisted search and retrieval systems. They help me explore and iterate more quickly, while I remain responsible for the direction and quality of the finished work.

How I use it →

Working on something?

Product, interface, backend or the server it runs on. Projects run through my company, JKRB AS.

Let’s talk