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machine-learning-systems-design — A booklet on machine learning systems design with exercises. NOT the repo for the book "Designing Machine Learning Systems", which is `dmls-book`
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20 September
Writer of Lenny's Newsletter and host of Lenny's Podcast, covering product, growth and career in tech. Previously a product lead at Airbnb. Also an angel investor and advisor.
19 September
Author and clean-energy analyst who writes on solar cost curves.
I, for one, am excited about China's progress and aspirations in designing new medicines. Pharma innovation is positive sum, and the benefits go overwhelmingly to patients and society, globally. Only a small fraction of the value is captured by producers or by the nation they hail from. A drug invented in China will cure me or someone I love just as well as one invented in the US or Europe. I do understand the fear in the US industry. And I hope that motivates us to accelerate the pace in the US, and pass some of regulatory reforms that @RuxandraTeslo and others have eloquently made the case… Quoting @fjeg1987 China wants its drugmakers to have originated 25% of first-in-class drugs and $522B in sales by 2030. This is compared to the total market of $800B today. I'm simultaneously in awe of the ambition and paranoid about the US ability to compete. I had a dinner with pharma leaders who remain delighted… Europe China Related
Writer and developer. He runs the Latent Space newsletter and podcast about AI engineering, and writes essays on software and careers at swyx.io.
17 September
Working on @ampcode. Writing registerspill.thorstenball.com. Once authored interpreterbook.com and compilerbook.com.
Time to leave one `amp --no-tui` running on your Mac mini and forget about it. It now serves every repo on the machine, and keeps itself updated. Related
Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.
16 September
Creator of Flask and Jinja. Writes about software at lucumr.pocoo.org.
15 September
AI research engineer working on large language models. He writes the Ahead of AI newsletter and is the author of Build a Large Language Model (From Scratch).
Some food for thought when designing benchmarks... So, here's a little computer-use (visual) comparison between GPT-5.6 Astra and Qwen3.8 Max. The task here was to recreate the image in the center using the Paint UI. Super interesting how the two different LLMs+Harnesses approached this totally differently by default. I.e., Astra tried to approach this by drawing and layering geometric shapes. Qwen approached this pixel by pixel. (Of course, the pixel-by-pixel result looks closer to the original, it's essentially a low-res version of that by nature.) So, the Qwen-generated image would surely… LLMs OpenAI Related
14 September
Developer, author and YouTuber covering Raspberry Pi, homelab hardware and Ansible automation. Author of Ansible for DevOps.
Co-creator of Django and creator of Datasette; writes daily at simonwillison.net.
Built a little local web app to help edit commit messages for a repo Related
12 September
Co-founder and chief investment officer of Cambria Investment Management. He has written several books on quantitative asset allocation, blogs at Meb Faber Research and hosts The Meb Faber Show.
11 September
Co-founder and chief investment officer of Cambria Investment Management. He has written several books on quantitative asset allocation, blogs at Meb Faber Research and hosts The Meb Faber Show.
𝗕𝗼𝗻𝗱𝘀 𝗯𝗲𝗮𝘁 𝗡𝗮𝗽𝗼𝗹𝗲𝗼𝗻, 𝘁𝗼𝗽𝗽𝗹𝗲𝗱 𝗮 𝗽𝗿𝗶𝗺𝗲 𝗺𝗶𝗻𝗶𝘀𝘁𝗲𝗿, 𝗮𝗻𝗱 𝗺𝗮𝗱𝗲 𝗧𝗿𝘂𝗺𝗽 𝗯𝗹𝗶𝗻𝗸. 𝗕𝗼𝗿𝗶𝗻𝗴 𝘁𝗵𝗲𝘆 𝗮𝗿𝗲 𝗻𝗼𝘁. My guest today is Robin Wigglesworth (@RobinWigg), editor of @FTAlphaville and author of A Fabulous Debt, a thousand-year history of the market that sets the price of everything else. We get into: • An Austrian 100 year bond that lost 80%, while a defaulting Argentina paid off better • Why T-bills feel safe but can lose you 50%+ in real terms after inflation • Is private credit the next systemic blowup? • Why the $12 trillion repo mar… inflation Related
10 September
Programmer, teacher and speaker; long-time Microsoft developer-community figure, host of the Hanselminutes podcast and author of the hanselman.com blog.
Save a 4K wallpaper as a JPEG, then try to get the 4K back. You can't. A prompt is lossy too. Hand it to someone else and you get a different app. Clone the repo and you get mine. Prompting is not programming, people. Related
8 September
Free software developer and longtime Debian developer; author of git-annex, etckeeper, ikiwiki and debhelper. Lives and works off-grid.
Probably time to replace gitweb, cgit, etc with client side js that fetches from the git repo. I would prefer to not build this myself. Related
Chilean web engineer building web experiences since 2006; co-founder of Media Creators and writes at iolivares.com.
Vercel listening to users 👏 . Next step: no pricing per seat and at least 1 private repo to build something as growth business and I will use it again. Quoting @vercel Introducing Flat Rate CDN for Pro teams. • Fixed monthly pricing in one predictable bill • Premium global network performance • Automatic protection for viral spikes Related
7 September
Economic historian at Columbia; writes Chartbook on economics, geopolitics and history, and wrote Crashed and The Deluge.
3 September
Engineer at Vercel Labs as of 2026. Ships a steady stream of small developer tools — agent-browser, portless, json-render, native-sdk, the v0 SDK — and lists every one of them at ctate.dev.
One more for the night: emulate v0.11 – Shared Next.js/Nuxt adapter runtime with persistent GitHub App key state – Linear issues now expose priorityLabel – GitHub token inspection adds perms, repo access, expiry and status github.com
Related
2 September
Creator of Homebrew, the macOS package manager, and a Swift developer.
Former L8 engineer at Meta, Microsoft and Atlassian, now writing and building solo on agentic engineering. Writes Kun's Field Notes and posts a lot about AI coding agents on X.
1 September
Mathematician at UCLA, working mainly in harmonic analysis and partial differential equations. Writes What's new, a long-running blog on their research, open problems and expository notes.
The Polymath8b upper bound of 246 on the gap between consecutive primes that appear infinitely often, has held since 2014, but has finally been shaved down to 240 in this recent preprint of Julia Stadlmann: https://arxiv.org/abs/2608.31126 . Her paper is a remarkable effort in the spirit of the original Polymath8b argument, except now done by one mathematician (with the assistance of traditional numerical computation, but not modern AI tools). Ever since the seminal work of Goldston, Pintz, and Yildirim, the progress on this problem has proceeded by carefully designing a "sieve" of bounded in… Related
Full-stack Laravel developer based in Madison, Wisconsin; maintains open-source Laravel, Livewire and Alpine.js packages and writes at randallwilk.dev.
31 August
Chilean web engineer building web experiences since 2006; co-founder of Media Creators and writes at iolivares.com.
Private GitHub registries for shadcn will change how corporates ship design systems. npx shadcn list org/repo Same workflow for every team. No more "Figma is the source of truth and the code is a rumor." Related
28 August
CEO of Vercel; creator of Next.js and Socket.IO. Writes at rauchg.com.
Recommends their own rcmnd.app
eve
Their words
But how many that give you a Git repo where you actually *own* the entire intelligence stack? Runtime, model choice, skills, tools, connectivity, sandbox…
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x.com
27 August
Creator of Ruby on Rails, CTO of 37signals, and creator of Omarchy.
Omarchy Nix
Their words
Maybe Nix is like Rust: Amazing if you don't have to look at the code! I'm open to the idea that Omarchy Cinque could switch packaging system if I never have to look at nixlang, there are no ergonomic regressions, and we have full repo sovereignty.
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@dhh on X x.com
25 August
Co-founder and CEO of Shopify; long-time Linux user and Omarchy contributor.
Their words
With thousands of developed in a mono repo, it just does happen that one directory is missing one of the two files and this means that a subset of devs work with lobotomy. We fix this with automation but it’s a stupid complexity tax that shouldn’t have to be paid.
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@tobi on X x.com
16 August
Programmer and teacher; writes on software, learning and the web, and makes the Coding Blocks video course.
Their words
Feel-good meh.
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rakhim.org
12 August
Co-founder and CTO of Honeycomb; previously an infrastructure engineer at Parse, Facebook and Linden Lab, and co-author of Observability Engineering.
Their words
it's always weird to me just how much software engineers really seem to believe that the world exists in the repo. It doesn't. It's production, you know?
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youtube.com
11 August
Executive coach for product leaders. Previously a partner at GV (Google Ventures) and a product manager at Google. Writes at Bring the Donuts, including a standing essential-reading list for product managers.
10 August
Computer science professor at Georgetown University and author of Deep Work, Digital Minimalism and Slow Productivity; writes about focus, technology and work at calnewport.com and hosts the Deep Questions podcast.
7 August
AI research engineer working on large language models. He writes the Ahead of AI newsletter and is the author of Build a Large Language Model (From Scratch).
Just saw that the LLMs-from-scratch repository passed 100,000 stars on GitHub! This is super cool and motivating. I am really happy to see that this open-source repo has helped so many people. Thanks also to everyone who shared ideas and opened PRs with improvements! Of course, I plan to keep adding new material, including new attention variants and architectures (while bigger projects like RL and Reasoning From Scratch live in their separate repositories). I am also currently working on a larger applied custom “small” LLM project. It has been keeping me super busy this month, but I will shar… LLMs Related
24 July
Programmer and writer on computer architecture, performance, and software reliability. He has worked on CPU design at Centaur Technology and on software at Google and Microsoft, and writes long-form technical essays at danluu.com.
x.com Exercises in evals and benchmarking: DeepSWE / Senior SWE-Bench, performance math, and cold weather tires Related
Bluesky Exercises in benchmarking and evals, part 7: performance napkin math, DeepSWE / Senior SWE-Bench, and winter tires danluu.com
Related
Mastodon Exercises in benchmarking and evals: performance math, winter tires, and DeepSWE / Senior SWE-Bench, danluu.com
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21 July
Genomics researcher and writer on science, biotech and the culture of research.
1 July
Programmer; wrote Extreme Programming Explained and Test-Driven Development, signed the Agile Manifesto, and writes Tidy First?.
Their words
So a a big challenge in object-oriented programming is dividing the responsibilities because you're moving the computation to where the data is. Saying, "Well, this object does this and that object does that is a really critical decision because you want to you want the computation near to the data so that there's less coupling between them." which is a lesson that I I think uh kind of got lost in the noise. That's the fundamental design move in ob in designing object-oriented programs and I I think I stand behind that.
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youtube.com
11 June
Economist specialising in global income inequality; formerly lead economist in the World Bank research department, now at the CUNY Graduate Center and author of the Global Inequality and More newsletter.
9 June
Engineer and writer on machine-learning systems; author of Designing Machine Learning Systems and AI Engineering. "I work to bring AI into production. I write about AI system design."
8 June
Programmer and writer on computer architecture, performance, and software reliability. He has worked on CPU design at Centaur Technology and on software at Google and Microsoft, and writes long-form technical essays at danluu.com.
x.com Exercises in benchmarking, evals, and experimental design, part 6: Related
Mastodon Exercises in benchmarking, evals, and experimental design, part 6: patreon.com
Related
28 May
Founder and editor-in-chief of MacStories, writing about Apple software, iPad workflows and automation since 2009. He co-hosts the AppStories podcast.
Recommends their own rcmnd.app
RemCTL
Their words
Once you have RemCTL installed with various permissions granted, I recommend asking your agent of choice to install the skill in the repo for itself.
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macstories.net
25 May
Writes Strange Loop Canon, on the intersection of technology, economics and business — "building models of the world to understand these problem areas and to define them better".
11 May
Computer scientist and director of the MIT Digital Currency Initiative; her research covers distributed systems, databases and digital currency.
I'm giving a talk at the Media Lab today at 4 PM ET titled Money, Power, and Machines: Designing the Future of Finance for People (E14-633) If you want to join, come 5 minutes early to 75 Amherst St, Cambridge, MA, or if not local email me for the zoom link! Related
6 May
JavaScript programmer; creator of the jQuery library, author of Secrets of the JavaScript Ninja, and long-time engineer at Khan Academy.
deepsec is very cool! I ran it against our main backend repo at @khanacademy and it found some really interesting edge cases. Spun up an agent team in Claude and addressed all the high-impact issues. This likely would've been a multi-week, or month, effort otherwise! Quoting @vercel_dev Introducing deepsec, an open source coding security harness. • CLI-first • Sandbox-based scaling • Pluggable coding agents • Designed for large-scale repos • Use AI Gateway or your own subscription After months of successful internal use, we put it to the test on some of the largest open source cod… Anthropic Related
4 April
AI research engineer working on large language models. He writes the Ahead of AI newsletter and is the author of Build a Large Language Model (From Scratch).
3 April
Computer scientist and director of the MIT Digital Currency Initiative; her research covers distributed systems, databases and digital currency.
My take on Bitcoin and quantum computing: https://t.co/bq2HdAsnXQ tl;dr: I think the risk is high enough to warrant prioritizing designing, implementing, and evaluating post-quantum signature schemes and consensus upgrades in Bitcoin now. Related
29 March
Engineer and writer on machine-learning systems; author of Designing Machine Learning Systems and AI Engineering. "I work to bring AI into production. I write about AI system design."
Their words
So, I I think there's a lot of things we still try to imagine. What would be an AI-driven world look like, right? I think people are trying to like retrofit what already exists to fit what they think is a new workflow.
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youtube.com
25 March
Chilean web engineer building web experiences since 2006; co-founder of Media Creators and writes at iolivares.com.
23 March
Independent game developer, creator of the colony simulation RimWorld and author of Designing Games: A Guide to Engineering Experiences. Previously worked on BioShock Infinite.
It's underappreciated how little freedom you have while designing a game. You can't just make what you want. You have to to make what works, and you don't get to choose that. Related
26 January
Programmer and writer on computer architecture, performance, and software reliability. He has worked on CPU design at Centaur Technology and on software at Google and Microsoft, and writes long-form technical essays at danluu.com.
Exercises in benchmarking and experimental design, part 5: Related
26 December 2025
Software engineer at PlanetScale and creator of the vim-go plugin. Writes at arslan.io about Go, tooling, industrial design and books.
Their words
I'm mixed on this book. It doesn't really offer actionable exercises, and the Self 1 and Self 2 framing didn't fully convince me.
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arslan.io
23 December 2025
Designer and technologist; author of The Laws of Simplicity; former president of the Rhode Island School of Design; formerly at the MIT Media Lab.
18 November 2025
Novelist and critic, author of The Body Scout and Metallic Realms; writes the newsletter Counter Craft on fiction craft and the publishing industry.
28 September 2025
Genomics researcher and investor; writes The Century of Biology on where biotechnology is actually going.
26 September 2025
Reinforcement-learning researcher; co-wrote the field's standard textbook, wrote The Bitter Lesson, and shared the 2024 Turing Award.
Their words
then we're entering the age of design where because our AIs are designed our our our all of our physical objects are designed our buildings are designed our technology is designed and we're we're designing now uh AIs things that can be intelligent themselves and that are themselves capable of design
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youtube.com
21 August 2025
Founding member of OpenAI and former director of AI at Tesla; creator of nanoGPT and the term "vibe coding".
2 August 2025
Runs global health R&D at Open Philanthropy; writes about the science and medicine that could exist and does not.
5 July 2025
Software engineer at PlanetScale and creator of the vim-go plugin. Writes at arslan.io about Go, tooling, industrial design and books.
4 July 2025
Software engineer who writes the blog Made of Bugs about performance, debugging and understanding computer systems. Previously worked at Anthropic on interpretability, at Stripe on Sorbet, and at Ksplice.
1 July 2025
Programmer on the Dart language at Google and author of Game Programming Patterns and Crafting Interpreters; previously a game developer at EA.
31 May 2025
Mathematician at UCLA, working mainly in harmonic analysis and partial differential equations. Writes What's new, a long-running blog on their research, open problems and expository notes.
I have just launched a "Lean companion" to my textbook "Analysis I": github.com/teorth/estim... . This gives a Lean translation (or paraphrasing) of the various definitions, theorems, and exercises in the textbook into Lean. Further discussion at terrytao.wordpress.com
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14 May 2025
American open-source program lead working on WordPress; a WordPress core contributor and release lead who writes at jeffpaul.com.
Their words
Homebrew — package manager; I track my setup in this Brewfile repo.
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jeffpaul.com
7 May 2025
Writer and consultant on formal methods and software correctness; author of Practical TLA+ and Logic for Programmers.
3 April 2025
Programmer on the Dart language at Google and author of Game Programming Patterns and Crafting Interpreters; previously a game developer at EA.
31 March 2025
Programmer on the Dart language at Google and author of Game Programming Patterns and Crafting Interpreters; previously a game developer at EA.
22 March 2025
Programmer and streamer; was an engineer at Netflix, now teaches and argues about editors, Vim and how people learn to program.
Their words
And so when I started streaming tech, my goal became to destroy whatever that tech mentality was, because it includes nobody. Everyone thinks that they're the smart people and they design for the dummies.
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youtube.com
12 March 2025
Programmer on the Dart language at Google and author of Game Programming Patterns and Crafting Interpreters; previously a game developer at EA.
1 March 2025
Programmer on the Dart language at Google and author of Game Programming Patterns and Crafting Interpreters; previously a game developer at EA.
16 December 2024
Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.
6 November 2024
Interface designer and researcher, known for the talks Inventing on Principle and Media for Thinking the Unthinkable and for essays on dynamic representations of ideas. Founder of Dynamicland, where he is building a communal computer.
Their words
Memoirs of one of the founders of industrial design.
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worrydream.com
18 June 2024
Programmer and entrepreneur; co-founded GitHub and created Jekyll, Gravatar and the Semantic Versioning spec.
1 June 2024
Moroccan senior frontend developer writing at smakosh.com; builds side projects and client work under Smakosh LLC.
Their words
Figma for designing user interfaces & wireframes
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smakosh.com
23 December 2023
Writes about the biotech industry, drug development and forecasting — “I write to learn, mostly about biotech.”
Their words
The most significant factor preventing us from taking better molecules into clinical trials is not our ability to design arbitrary molecules, but our (lack of) understanding of underlying disease biology. In other words, we often know how to make something, but not what to make.
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atelfo.github.io
14 December 2023
Founder of Amazon in 1994 and of the space company Blue Origin in 2000.
Their words
So you need to have all of your manufacturing facilities and processes and inspection techniques and acceptance tests and everything operating at rate. And rate manufacturing is at least as difficult as designing the vehicle in the first place
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youtube.com
1 September 2023
Designer, architect and scientist, who led the Mediated Matter group at MIT and founded OXMAN, a company that builds products in collaboration with living organisms.
Their words
And the way of being in the physical world today is really not in tune with the time dimension of the natural world at all, and that needs to change.
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youtube.com
20 April 2023
Co-founder of Sundial; former vice president of product design at Facebook; author of The Making of a Manager; writes The Looking Glass.
30 January 2023
Economist writing on why technological progress slowed and what would restart it — energy, supersonic flight, housing and the regulations around them.
25 January 2023
Chilean web engineer building web experiences since 2006; co-founder of Media Creators and writes at iolivares.com.
17 January 2023
Writes jvns.ca, turning "hard and scary" topics — networking, debugging, Linux internals — into plain explanations and hand-drawn comics. Publishes Wizard Zines, illustrated programming zines. Software developer based in Montreal.
Their words
Cryptopals – a set of exercises to learn cryptography by breaking it. Very fun.
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jvns.ca
22 June 2022
Writer and consultant on formal methods and software correctness; author of Practical TLA+ and Logic for Programmers.
6 November 2021
Brazilian-American staff software engineer working on platforms, AI and developer productivity. Writes about engineering and his setup at ivansantos.me.
Learning a new programming language (go/rust). What are the Best generic exercises/algorithms you would recommend for learning a new language in 21 days? (No apps/platforms, just a list of algorithms if possible) Related
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A korrent is a belief a person has stated in their own words: one
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