# Object-Oriented Design Lessons from Trello, Notion, Tinder, and Amazon

DevFeed: [Object-Oriented Design Lessons from Trello, Notion, Tinder, and Amazon](<https://devfeed.tech/articles/copy-these-3-industry-leading-apps-and-turn-object-oriented-design-into-your-secret-career-advantage-31383.md>)

Original publisher: [Read original article](<https://ixdf.org/literature/article/copy-these-3-industry-leading-apps-and-turn-object-oriented-design-into-your-secret-career-advantage>)

Author: William Hudson

Published: 2026-09-16T08:30:06Z

Content type: tutorial

Language: en

Sources: [UX Daily - User Experience Daily](<https://devfeed.tech/sources/ux-daily-user-experience-daily.md>)

Topics: [ui](<https://devfeed.tech/topics/ui.md>), [User Experience](<https://devfeed.tech/topics/user-experience.md>), [Design system](<https://devfeed.tech/topics/design-system.md>), [Notion](<https://devfeed.tech/topics/notion.md>)

Tags: [design](<https://devfeed.tech/tags/design.md>), [interface](<https://devfeed.tech/tags/interface.md>), [object](<https://devfeed.tech/tags/object.md>), [properties](<https://devfeed.tech/tags/properties.md>), [structure](<https://devfeed.tech/tags/structure.md>), [ui-components](<https://devfeed.tech/tags/ui-components.md>), [user-experience](<https://devfeed.tech/tags/user-experience.md>)

## AI overview

This tutorial explains object-oriented design through examples from Trello, Notion, Tinder, and Amazon. It argues that organizing interfaces around meaningful, stable objects and their operations can improve clarity and support scalable product structures.

## Source excerpt

Which apps do you use throughout your day? Maybe you manage your projects on Trello, use Notion as an internal docs site, and maybe, just maybe, you do some swiping on Tinder during your lunch break. Despite looking nothing alike, these three highly successful apps are organized around the same idea: Give users a small number of meaningful objects, let them act on those objects directly, and the interface will feel intuitive without explanation.Cards. Blocks. Profiles: These UI components are the central concepts around which Trello, Notion, and Tinder organize everything else. We can call them objects. Users recognize them immediately, know what they can do with them, and build their entire...