https://delgado.vc/projects Personal site of Andrzej Delgado — Principal Product Designer and Design Engineering Lead. Case studies on multi-brand design systems (Saturn Heavy), the Progressive Design Model, UI Crux, FeelsFast performance work, and the Design Engineering practice. en Tue, 26 May 2026 18:26:05 GMT https://delgado.vc/projects/feelsfast https://delgado.vc/projects/feelsfast Wed, 13 May 2026 00:00:00 GMT An educational platform on perceived performance, built from real iGaming research — patterns, scenarios, concepts, and an AI skill. https://delgado.vc/projects/ux-ui-design-engineering https://delgado.vc/projects/ux-ui-design-engineering Tue, 14 Apr 2026 00:00:00 GMT 33 design engineering principles for building interfaces that feel excellent — from font rendering and OKLCH color to optical alignment, hit areas, and animation timing. https://delgado.vc/projects/uicrux https://delgado.vc/projects/uicrux Sun, 01 May 2022 00:00:00 GMT A design engineering platform I founded in May 2022 to help product designers become engineers' true allies — CSS fundamentals, naming conventions, asset delivery, and a visual catalog of UI elements.