STENN KOOL — PORTFOLIOFIG. 01 — PROFILE
REV 2026

Stenn Kool

Software architect for backend platforms that stay elegant under pressure. Two decades of systems that just work.

200323 yrspresent

SEC.01 — PROFILE

I architect backend systems that stay readable, testable, and dependable — from greenfield concepts to enterprise-scale evolutions. Complex requirements in, thoughtful engineering out.

SEC.02 — EXPERIENCE

  • 2026 — present

    gitbuild.dev

    Founder

    Building an EU-sovereign, privacy-first GitHub alternative powered by Forgejo — code hosting with zero AI training.

  • 2017 — present

    Happy Horizon

    Senior Backend Developer · Software Architect

    Steering backend architecture and enabling high-performing teams to deliver resilient, scalable digital platforms.

  • 2015 — 2017

    TTI (Tyre Trading International)

    Full Stack Developer · DevOps

    Built and maintained full-stack solutions with automated deployment pipelines to keep global commerce moving.

  • 2012 — 2015

    BaseCode

    App & Web Developer

    Delivered tailored mobile and web experiences with a focus on reliability, performance, and intuitive UX.

  • 2012 — present

    CSKweb

    Entrepreneur

    Partnering with clients to design and ship custom software, combining technical excellence with business insight.

  • 2003 — 2011
    // earlier: system administration & internships

SEC.03 — BILL OF MATERIALS

ITEMPARTCATEGORY
01PHPlanguage
02JavaScriptlanguage
03TypeScriptlanguage
04Pythonlanguage
05Javalanguage
06Laravel / Lumenframework
07Symfonyframework
08Magentoframework
09Backend Architecturepractice
10DevOpspractice

SEC.04 — CONTACT

Working on an ambitious roadmap or a genuinely hard problem? That's exactly where I do my best work.