David del Cura — AI Design Engineer · Sound Designer · Madrid.
Systems that ship, not screens.
00 / 08
One profile where you’d usually hire two.
Madrid · remote · selected projectsSystems that ship, not screens.
00 / 08 · About
One profile where you’d usually hire two.
Product design, engineering and sound — end to end.
AboutI design it,I build it,I make it sound.So nothing gets lost between Figma and production. One profile where you’d usually hire two.4× mobile conversion · Vocento12 companies in productionMore about me ContactOpen to new projects
Case study
Unifying 13 subscription funnels into one conversion architecture2022 — now
Case studyUnifying 13 subscription funnels into one conversion architecture2022 — now
Web · 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 case
Case study
UX architecture for high-security intelligence systems2019 — 22
Case 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 companies
Shipped 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 →
Brand + web
A 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.
Case study
A 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 / 06
Editorial
Editorial 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 picksWriting
Case study
Rebranding 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