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Interrogate the portfolio

A terminal wired into everything Mark has shipped. Ask in plain language — it answers with the work itself, linked.

M4RKYU.SYS
● online

Query the archive. Try one of these, or ask your own:

    00 / start here

    Find your way around.

    I'm Mark — a creative developer in Ontario, working across software, games, and visual systems. This site is one archive instead of seven scattered profiles.

    Pick a thread

    03 / visual

    Frames & films.

    Black-and-white photography, digital art, and short films. Stills and motion, filed as they're finished.

    Black and white gallery cover
    collection · 1/1

    Black & White

    Contrast studies, street fragments, and visual notes shaped for gallery mode.

    0 frames

    06 / about

    The person behind it.

    A cross-cultural path, Ontario-based. Software, games, and images — one practice across many surfaces.

    currently
    • buildingm4rkyu.com — the long-form archive
    • readingDesigning Data-Intensive Applications
    • listeningHiroshi Yoshimura — Music for Nine Postcards
    • watchingSeverance, season 2
    Ontario, Canada

    44

    44 cities · 3 countries

    what I optimize for
    • Clarity before spectacle
    • Performance as a design material
    • Accessible interfaces with atmosphere
    • Creative tooling that feels precise
    core stack
    • TypeScript
    • React
    • Next.js
    • Tailwind CSS
    • Node.js
    • Java
    • Spring Boot
    • Python

    let's collaborate

    Let's build

    Something on your mind? Frontend systems, prototypes, creative tooling, or just a hello — whichever.

    Follow the workGitHubdev.to
    open channel
    --:--:--EST
    get in touch

    Saw something here?Tell me about it.

    It's a portfolio, not a service · but I read every note — drop a line if anything here resonated, or just to say hi.

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    M4RKYU
    Crafted since 2024
    © 2026 ZhenXiao Mark YuOntario, Canada

    Built with Next.js 16 · React 19 · Tailwind 4