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Software architecture & design: videos Hacker News recommends
Software architecture and design: object-oriented programming, design patterns, clean architecture, API design, microservices vs monoliths, data-oriented design, versioning, abstraction, simplicity, Alan Kay, Uncle Bob. Below: every video in this topic that at least three HN users linked with real commentary, in at least three different months (153 talks, 7 lectures, 4 commentarys), best-scored first, with the comments on each video page.
- Programming language design 193
- Functional programming 225
- C, C++, Rust, Go & systems languages 163
- Python, Ruby & scripting languages 120
- Web development 160
- Software performance & optimization 123
- Compilers, interpreters & program analysis 98
- Testing, debugging & developer tools 155
- Software practice, open source & careers 154
- Software (other) 36
- HN treats it as a top-tier programming talk for learning refactoring and for the wrong-abstraction principle, recommended repeatedly over a decade.
- HN treats it as the canonical talk on software complexity, shared constantly and recommended to every programmer regardless of language.
- HN repeatedly recommends it as a talk that changed how people model data, with ideas that apply well beyond Elm to any typed language.
- HN repeatedly names it the best resource on API design, a staple answer to any 'how do I design an API' question.
- HN commenters cite it as the talk that convinced them of immutability and functional programming.
- HN treats it as the best real-world AAA example of ECS and game netcode, and cites it constantly in discussions of data-oriented design.
- Clojure/north talk recommended in 11 different months by 10 HN users, 2019–2025HN repeatedly recommends it as a fantastic demonstration of procedural, OOP and FP approaches to the same problem, and of functional core and imperative shell.
- HN people recommend the SICP lectures as a deeper, livelier route into the book and a formative course even for seasoned programmers.
- powerfuloutlet talk recommended in 11 different months by 10 HN users, 2012–2026A staple on must-watch lists, recommended as a starting point for Kay's thinking and for why software is often poor and ahistorical.
- HN treats it as the standard one-hour teaser for the book and recommends it for its deep-modules thinking before buying or reading the book.
- Paul Stringer's Mobile Tech talk recommended in 10 different months by 10 HN users, 2016–2022HN recommends it as an engaging overview of programming history and an argument for professional standards, citing the agile manifesto section and the claim that software has advanced little since the 1950s.
- HN's go-to link in typing debates and for talk lists, and several call it their favorite programming talk even for non-Clojure users.
- HN repeatedly recommends it as the definitive explanation of why Java evolves cautiously and why compatibility matters in language design.
- Frequently recommended as an influential talk on decoupled, testable architecture, though some commenters push back on Martin's TDD advocacy.
- HN treats it as the go-to explanation of ECS, valuable even for people who don't use Rust.
- HN returns to it constantly as permission and method for thinking deeply before coding, and as an antidote to always-working anxiety.
- Alexandre Franco talk recommended in 9 different months by 9 HN users, 2015–2026HN recommends it as a talk whose advice on simplicity and avoiding unnecessary work applies well beyond games.
- HN recommends it as the canonical presentation of 'functional core, imperative shell' and a practical answer to unit versus integration testing.
- HN treats it as the definitive explanation of Conway's Law and links it in almost any thread about org structure shaping software.
- It is one of HN's most frequently recommended programming talks, cited whenever people debate complexity, simplicity and abstraction, and valued well beyond Clojure.
- HN returns to it in every versioning and API stability debate as a challenging, contrarian talk worth watching.
- It is the go-to talk HN points to for data-oriented design and hardware-aware performance thinking, despite Acton's blunt style.
- Eskil Steenberg talk recommended in 9 different months by 8 HN users, 2017–2025HN recommends it as the one long programming video worth watching, a provocative and influential take on C.
- HN returns to it as the go-to critique of OOP, recommended for explaining the costs of abstraction better than most written arguments.
- HN recommends it as a key Hickey talk on system design that changes how people think about distributed state and interfaces.
- HN returns to it repeatedly as the canonical argument for simplicity and against premature abstraction, and several commenters say it changed how they write code.
- HN calls it the famous talk for understanding why React rejected separation of concerns by technology and for newcomers puzzled by JSX.
- HN repeatedly recommends it as the talk that made data-oriented, REPL-driven bottom-up design click.
- HN returns to it constantly as a witty, still-accurate diagnosis of why software is bloated and messy, and as a go-to recommendation in any thread on modules, package managers or software quality.
- bus talk recommended in 8 different months by 11 HN users, 2019–2023A perennial HN reference for arguments that software is getting worse and that hard-won knowledge is disappearing.
- HN recommends it as an alternative or companion to 'Simple Made Easy', and quotes its ideas about simplicity, complexity and 'hairballs' in discussions of frameworks, JSON and data design.
- Better Software Conference talk recommended in 8 different months by 11 HN users, 2025–2026HN commenters recommend it for its source-based history of OOP, though some dispute its account of Alan Kay.
- UnityCoin lecture recommended in 7 different months by 6 HN users, 2020–2026HN commenters call it better than the Clean Code book, a must-watch for engineers that changes how they read and write code.
- HN repeatedly cites it as a thought-provoking talk on reducing software complexity and on the state of computing research.
- HN people recommend it as an eye-opening talk whose domain-modeling ideas carry over to other languages and make a strong compiler feel like a coding partner.
- FOAM explainer recommended in 7 different months by 4 HN users, 2016–2023Cited constantly in threads on microservices, composability and the Unix philosophy as a compact explanation of why small interoperable pieces win.
- PyData talk recommended in 6 different months by 6 HN users, 2020–2026HN calls it one of the best technical talks and the clearest explanation of decorators, generators and context managers.
- xDahl talk recommended in 6 different months by 6 HN users, 2024–2026HN commenters in memory management and language design threads cite it as the best explanation of group lifetimes versus per-object ownership.
- Konstantin Bläsi talk recommended in 6 different months by 5 HN users, 2014–2024Go-to reference in GTK versus Qt debates, valued for a candid account from experienced developers who tried both toolkits.
- Recommended as a practical demonstration of how functional thinking improves design without going off the deep end.
- HN uses it in debates about what OOP originally meant, since Kay's message-passing view lines up with Erlang's processes.
- HN repeatedly recommends it as a balanced, beginner-friendly overview of SQL versus NoSQL, and some teachers assign it to students.
- Recommended whenever versioning, semver, monorepos and backward compatibility are debated, for its nuanced treatment of dependencies.
- HN treats it as the original and definitive explanation of transducers, recommended whenever the concept comes up.
- HN points to it as a practical way to separate business logic from I/O, which reduces mocking and underlies the functional core, imperative shell idea.
- Fred Overflow talk recommended in 5 different months by 5 HN users, 2020–2026Cited as the classic rant on maps versus objects in discussions of data modeling and OOP.
- Recommended as a brilliant, hilarious talk, though not the most educational.
- HN commenters recommend it as the definitive explanation, from a language designer, of why multiple dispatch makes Julia's composability work.
- TigerBeetle talk recommended in 6 different months by 2 HN users, 2023–2025HN commenters, including TigerBeetle people, recommend it as the explanation of a methodology for building defect-free, high-assurance software.
- HN commenters credit it with persuading them to adopt React, and cite it for the argument that HTML and JS cannot truly be separated.
- HN recommends it as an enthusiastic demo of spreadsheet-like reactive notebooks, which commenters think new notebook projects should copy.
- HN commenters point to it as a sharp, example-driven critique of OOP and Clean Code style, often alongside Brian Will's other anti-OO videos.
- HN commenters recommend it, alongside Rich Hickey's talk, for its precise definition of simple versus easy and its implications for code design.
- Seen as the definitive explanation of why traditional concurrency is hard and how Clojure's model addresses it, with some commenters crediting it with changing their careers.
- DEMO talk recommended in 5 different months by 5 HN users, 2014–2026HN commenters treat it as a thought-provoking talk on invention versus innovation, and cite it in discussions of software complexity and startups.
- Jeff Gonis talk recommended in 5 different months by 6 HN users, 2013–2025Treated as a foundational talk, cited constantly for Kay's views on object-oriented programming and for rethinking software practice.
- HN points people to it as Lamport's own case for thinking and writing a spec before coding, and as an entry point to TLA+.
- Peter Petrash talk recommended in 5 different months by 4 HN users, 2016–2026HN cites it as the primary source for the claim that Alexander deprecated patterns, and as a prescient talk for programmers.
- Scala World talk recommended in 5 different months by 5 HN users, 2016–2025HN recommends it as a talk that changes how you think about system design, and links it whenever constraints, abstraction or least power come up.
- Zhang Jian talk recommended in 5 different months by 4 HN users, 2021–2026Recommended as one of the best explanations of why Clojure and a functional, immutable approach to state exist.
- HN recommends it as an incredible talk whose testing principles apply beyond Ruby.
- HN fans call it one of Kay's best talks and recommend it for rethinking why programming paradigms have barely changed.
- ReactEurope talk recommended in 5 different months by 5 HN users, 2016–2022HN points to it as thought-provoking material on the tradeoffs and costs of abstraction, especially in frontend tooling debates.
- HN points to it as the original talk that explains the motivation behind React, Flux and Redux, and that sold some commenters on React.
- HN cites it whenever people discuss rebuilding the web platform or what a better browser architecture could look like.
- Recommended as a clear, charismatic starting point for understanding Python concurrency and the GIL.
- HN commenters point to it as the best practical introduction to Alloy and to lightweight formal modeling.
- ChimiChanga talk recommended in 5 different months by 4 HN users, 2024–2026HN cites it as one of the best talks on data-oriented design, applying struct-of-arrays and compact data layouts to a real compiler.
- Code on the Beach talk recommended in 4 different months by 4 HN users, 2016–2022HN developers recommend it as the talk that changed how they model systems, and as a clear intro to event sourcing's motivations.
- Reaktor talk recommended in 4 different months by 4 HN users, 2018–2021HN commenters love it as a witty and insightful tour of design anti-patterns, applicable to DSLs, OOP and API design.
- Recommended as the argument for code colocation and delaying abstraction.
- Casey Muratori lecture recommended in 5 different months by 5 HN users, 2017–2024Seen as the origin of the IMGUI idea that inspired Dear ImGui, recommended to anyone curious about immediate-mode UI design.
- A frequent citation in debates about SOLID and Clean Code, representing the performance-first side of the argument.
- ConfEngine talk recommended in 4 different months by 4 HN users, 2018–2022HN recommends it as a terrific talk on APL readability and on the idea of idioms over libraries.
- KanDDDinsky talk recommended in 4 different months by 3 HN users, 2020–2026HN treats it as the canonical, approachable example of domain-driven design with types and 'make invalid states unrepresentable'.
- HN recommends it for historical perspective on software ideas and for dispelling myths such as the origins of waterfall.
- HN points people to it as the clearest account of why Datomic is designed the way it is and of the problems with conventional database architecture.
- HN treats it as the classic talk on why Deno exists and on lessons from design mistakes in a widely used platform.
- HN recommends it as the best beginner-friendly introduction to monoids, monads and other FP vocabulary.
- gnbitcom talk recommended in 4 different months by 4 HN users, 2021–2025The standard link for explaining the concurrency versus parallelism distinction and the motivations behind Go's concurrency model.
- Ward Cunningham explainer recommended in 4 different months by 3 HN users, 2009–2023HN links it as the authoritative correction to common misuse of the term technical debt, straight from its originator.
- Ron Pressler - Pull Push: Please stop polluting our imperative languages with pure concepts-Curry OnRecommended as the case for blocking code and virtual threads over monads and async/await.
- HN commenters recommend it as the lead ClojureScript developer's own account of Om's evolution, one-way data flow and single-state design.
- HN recommends it as a funny, smart and well-constructed talk on abstraction, duplication and object-oriented design.
- Recommended in incremental computation and reactive UI threads as the best conceptual overview of Incremental and incr_dom.
- Christopher Cabanne talk recommended in 4 different months by 4 HN users, 2017–2023HN recommends it in testing-strategy debates as the classic case for fewer integration tests and more small, well-contracted unit tests.
- Association for Computing Machinery (ACM) talk recommended in 3 different months by 2 HN users, 2018–2024HN recommends it as a sober critique of agile, though one commenter found it mixed.
- Association for Computing Machinery (ACM) talk recommended in 4 different months by 4 HN users, 2015–2023HN commenters point to it as an alternative take on the data-fetching problem GraphQL addresses, and as a clear argument for when RPC or graph models beat plain REST.
- HN engineers recommend it for its core insight that limiting concurrency naturally yields request-rate limits, and for its link to queueing theory.
- Commenters say it changes how you think about types and the STL, and makes a case for simple modern C++.
- eswarnichtsmehrfrei talk recommended in 3 different months by 3 HN users, 2023–2024Recommended in DRY versus duplication debates for its visuals and its case that copy/paste can beat a wrong abstraction.
- CMU Robotics Institute interview recommended in 3 different months by 3 HN users, 2017–2024HN recommends it for Kay's blunt critique of today's computing and standard CS curricula.
- Nordic.js talk recommended in 3 different months by 3 HN users, 2014–2023HN commenters cite it whenever JavaScript classes, `this` or inheritance come up, as the clearest case for classless OOP from Crockford.
- tef ebooks talk recommended in 3 different months by 3 HN users, 2015–2022HN lists it among its favorite programming talks and fantastic technical speeches.
- HN commenters point Rubyists and the Smalltalk-curious to it as an approachable introduction that shows the Smalltalk system browser and Pharo environment in action.
- Recommended as the foundational talk on content-centric and named-data networking, and for its internet history stories.
- Build Stuff - #1 Software Dev Conf talk recommended in 3 different months by 2 HN users, 2018–2021HN people recommend it as a fascinating history lesson showing that the field keeps rediscovering ideas from the 1960s.
- Recommended whenever the STL mindset or avoiding raw loops in C++ comes up, as an enlightening talk on expressive algorithms.
- GoogleDeveloperDay talk recommended in 3 different months by 2 HN users, 2011–2020HN commenters recommend it as a level-headed, practical take on design patterns without Java-style verbosity.
- HN commenters recommend it as a thorough treatment of replacing conditionals with polymorphism and why flags and deep ifs can be code smells.
Showing the 100 best-scored of 177. Use search to find the rest.
Questions
What is the most recommended software architecture & design video on Hacker News?
RailsConf 2014 - All the Little Things by Sandi Metz by Confreaks: HN treats it as a top-tier programming talk for learning refactoring and for the wrong-abstraction principle, recommended repeatedly over a decade.
How is this software architecture & design list ranked?
By HackerTube's score: the number of distinct months in which an HN comment recommended the video, plus half a point for every month with a strong recommendation. One viral thread counts less than steady recommendations over years.
Where do the videos come from?
From every Hacker News comment between 2007 and 2026 that linked a YouTube video, labeled by an AI model as a recommendation, a citation, a joke or a criticism. The list is published by HackerTube under ODC-By 1.0; this edition adds indexable pages and the comment context.