WORK · 4 CASE STUDIES
Selected work in complex, everyday software
Selected work in complex, everyday software
Selected work in complex, everyday software
Field research, design systems and products that shipped. Every card is a piece from a case: open the one in focus to read it.
Field research, design systems and products that shipped. Every card is a piece from a case: open the one in focus to read it.


















Projects
Projects
Built by me
Built by me
My development side. Projects where I’ve used code to build things: for myself, for freelance clients, and to do better work as a product designer.
Investor Tools · Invescasa
2024 · FreelanceTwo calculators that help property investors in Australia decide before they buy: rental yield and capital growth.
Hand-codedSliders instead of number fields. Investors don't know their exact numbers yet; they want to see how the yield moves when the rent or the price changes. Gross and net yield side by side, so the costs aren't hidden.
Mi Entreno
2026 · Side project · Real usersA training app for the gym floor: what's on today, what you lifted last time, and whether you're actually progressing.
Designed by me · built with AI assistance
A mobile-first app, designed for the gym floor. Scan to open it on your phone.Gyms have no signal. A failed save looked exactly like a successful one, so the app queues what you meant to log and syncs when the connection comes back. It also tells a real plateau from slow progress.
webharvest
2026 · Side projectA research tool that gathers sources (articles, forums, docs) into clean Markdown notes, ready to synthesize.
Designed by me · built with AI assistanceThe AI is the last resort, not the first. Before opening a browser or spending a single token, it looks for the cheapest, most respectful path to the content: an API, an RSS feed, a sitemap.
Investor Tools · Invescasa
2024 · FreelanceTwo calculators that help property investors in Australia decide before they buy: rental yield and capital growth.
Hand-codedSliders instead of number fields. Investors don't know their exact numbers yet; they want to see how the yield moves when the rent or the price changes. Gross and net yield side by side, so the costs aren't hidden.
Mi Entreno
2026 · Side project · Real usersA training app for the gym floor: what's on today, what you lifted last time, and whether you're actually progressing.
Designed by me · built with AI assistance
A mobile-first app, designed for the gym floor. Scan to open it on your phone.Gyms have no signal. A failed save looked exactly like a successful one, so the app queues what you meant to log and syncs when the connection comes back. It also tells a real plateau from slow progress.
webharvest
2026 · Side projectA research tool that gathers sources (articles, forums, docs) into clean Markdown notes, ready to synthesize.
Designed by me · built with AI assistanceThe AI is the last resort, not the first. Before opening a browser or spending a single token, it looks for the cheapest, most respectful path to the content: an API, an RSS feed, a sitemap.
dano.mx - Derechos Reservados - Daniel Osuna - 2026
dano.mx - Derechos Reservados - Daniel Osuna - 2026
dano.mx - Derechos Reservados - Daniel Osuna - 2026




