Software & creative developer from Romania, based in the Netherlands.
I design and build websites, web apps and Windows tools, from the first sketch to the last pixel and the release.
AxisNex · Windows app · released · auto-updates
A free Windows app for controller tuning and calibration. A 15-second calibration fixes stick drift, a live before/after view shows exactly what changes, profiles can be shared as a file, and the controller's own lights and sound react to what you do. Designed, built and released end to end: installer, built-in updates and 11 languages.
My portfolio: a WordPress theme written from scratch, with live Spotify, YouTube and GitHub data, reviews and privacy-first analytics.
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A privacy-first analytics dashboard built into my site: visitor journeys step by step and a click map on the real page. No Google Analytics, no IP addresses, no third parties.
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VioTaxi ↗ CLIENT · WEBSITE A fast, mobile-first site for a Dutch taxi company, with online booking and fixed tariffs. WordPress Custom theme
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LVMINNA ↗ CLIENT · E-COMMERCE A complete online store for a luxury candle brand from Groningen. WooCommerce ACF
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StemVrij ↗ AI · LOCAL APP Local, private AI app that splits music into vocals and instrumentals, with waveforms, a mixer and export. React Vite FastAPI Demucs
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Also: a horror game in Unreal Engine, a YouTube channel and music · everything on wltziff.nl →
Build · HTML, CSS / SCSS, JavaScript, PHP, React, Node.js, Python, C# / .NET
Platforms · WordPress, WooCommerce, MySQL
Interface & motion · Figma, Tailwind CSS, GSAP, Swup, Swiper
Workflow · Git, GitHub, AI-assisted development (Claude, Codex, ChatGPT)
Languages · Romanian (native) · English (fluent) · Dutch (fluent) · Spanish (learning)
