David del Cura — AI Design Engineer · Sound Designer · Madrid.
Systems that ship, not screens.

ULTRASWAN — Abhir debut album launch siteWeb · launchAn album launch where the loading screen is the showabhir.esDevEssay · 6 min · Jun 26The button that liesWritingCase study · EVOLOKVocentoDesign infrastructure: Figma → MCP → CSS, 11 themes, no human in between.Read the caseCCN-CERT ANA — cybersecurity intelligence platformCase studyUX architecture for high-security intelligence systems2019 — 22ULTRASWAN wallpaper generator on a displayCase studyA wallpaper generator where every download is promotion2026MotionEssay · 7 min · May 26When not to animateWritingVocentoResult4×Mobile conversion across 13 brands — from 12% to 48%.Clients12 companiesSony MusicCCN-CERTCitrixVocentoABCUniversal Music GroupRusia IDKDale Play RecordsSidertiaLe Toy FactoryJunciera JinéEl Planeta SonoroShipped into production for teams in media, infrastructure and creative industries.Point of viewManifestoMost products don’t fail at the interface. They fail at the system.How I work →Le Toy Factory — fashion brand e-commerce visualBrand + webA fashion brand built as a system — not as a websiteletoyfactory.comVoicesDiego Acosta · Vocento“He made a point of involving engineering early.”03 / 06Product UXEssay · 6 min · May 26Not screens. Systems.WritingDesignEssay · 6 min · May 26Taste as infrastructureWritingEVOLOKResult2 dCampaign creation across all brands, down from ~10.5 days.Junciera Jiné — a maintainable multi-brand WordPress systemCase studyA site you can keep changing2026VoicesAlejandro Castro · Art Director, Vocento“Balancing form, functionality and craft. A gem for any product company. Just remember: less is still more.”02 / 06Rusia IDK — creative direction and digital presenceEditorialEditorial direction for a culture labelrusia-idk.comIndexEssaysAll writingReadVoicesMónica Aranda · Dale Play Records“Expert at making the complex feel simple.”06 / 06DesignEssay · 7 min · May 26The ratio nobody picksWritingSidertia Solutions — cybersecurity product and brand systemCase studyRebranding a cybersecurity company around the data it protects2022MotionEssay · 5 min · May 26The scale that doesn’t lieWritingVoicesJavier de Miguel · Product Designer“The cognitive bias application at ABC — clearly built by someone who truly knows their craft.”01 / 06VoicesCristian · Product Owner, Vocento“An exceptionally advanced technical profile for digital and frontend projects.”05 / 06VoicesCesar · Sonorama Ribera“Experience, aesthetic judgment and solid execution on every project.”04 / 06Index6 voices · 12 clientsAll clients and voicesRead

Projects

Open feed ↗
  1. 01 Vocento Case
  2. 02 CCN-CERT · ANA Case
  3. 03 Abhir · album launch Web
  4. 04 ULTRASWAN · wallpaper generator Case
  5. 05 Le Toy Factory Brand
  6. 06 Rusia IDK Editorial
  7. 07 Junciera Jiné Case
  8. 08 Sidertia Case
Me · Madrid—
You · ——

Open to new projects Product design, engineering and sound — end to end. Madrid · remote · hybrid · select projects
On rotation · 01 / 04 0:00 / 0:00
The beginning of the beginning Sam Gold

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