DHH’s new way of writing code
David Heinemeier Hansson shares why he shifted to an agent-first AI workflow, and what it means for how software is built and who builds it.

David Heinemeier Hansson shares why he shifted to an agent-first AI workflow, and what it means for how software is built and who builds it.
The Pragmatic Engineer12 minParallels between technology shifts in the past decades and what we’re seeing with AI. Also: ways to avoid burnout when working with AI agents, TDD back in style, and more.
Mark Zuckerberg and Garry Tan join the trend of C-level folks jumping back into coding with AI. Also: a bad week for Claude Code and GitHub, and more
Thuan Pham (Uber's first CTO) on scaling Uber from constant outages to global infrastructure, the shift to microservices and platform teams, and how AI is reshaping engineering.
The Pragmatic Engineer30 minMany engineers use inference daily, but inference engineering is a bit obscure – and an area rich with interesting challenges. Philip Kiely, author of the new book, “Inference Engineering,” explains
Poor availability has dogged GitHub for months and raises questions about its status and focus. Plus, Microsoft promises Windows will not be “Microslop”, a massive LLM supply chain attack, and more
The Pragmatic Engineer14 minAn interview with an engineer with no public GitHub contributions, setting clear boundaries – and yet not having needed to apply for positions when searching for a job, because referrals found them
Also: AI-agent generated pull requests cause headaches for large open source projects, OpenAI acquires the creator of uv, a sudden Cursor price hike annoys some enterprise customers, and more
Jean Lee, engineer #19 at WhatsApp, on scaling the app with a tiny team, the Facebook acquisition, and what it reveals about the future of engineering.
The Pragmatic Engineer11 minAs more software engineers use AI agents daily, there’s also more sloppy software, outages, quality issues, and even a slowdown in shipping velocity. What’s happening, and how do we solve it?
Also: new trend of token costs becoming a worry for CTOs, 10% cuts at Atlassian, and more.
Steve Yegge on how AI is reshaping software engineering, the rise of “vibe coding,” and why developers must adapt to a rapidly changing craft.
How Uber built Minion, Shepherd, uReview, and other internal agentic AI tools. Also, new challenges in rolling out AI tools, like more platform investment and growing concern about token costs
Also: 40% job cuts at Block “not due to AI”, Antigravity bans reinforce Google’s disdain for paying customers, and more
Claude Code creator Boris Cherny on building AI-powered coding tools, parallel agents, and how the engineer's role is evolving in an AI-first world.
The Pragmatic Engineer15 minClaude Code dominates tool usage, leaders are more positive about AI than engineers, staff+ engineers are the biggest users of AI agents, and more. Exclusive data and analysis from 900+ respondents
An engineer at Cloudflare rewrote most of Vercel’s Next.js in one week with AI agents. It looks like a sign of how AI will disrupt existing moats and business models. Analysis
Mitchell Hashimoto on building HashiCorp, navigating the cloud giants, and how AI agents have transformed his day-to-day engineering workflow.
The Pragmatic Engineer13 minNotes from The Pragmatic Summit and ‘The Future of Software Development’ workshop
Also: Anthropic bans third-party devs while Codex embraces them, Peter Steinberger joins OpenAI, a lot more software gets created with AI, and more
The Pragmatic Engineer13 minA deepdive into how OpenAI's Codex team builds its coding agent, how engineers use it, and what it could mean for the future of software engineering. Exclusive
All content on The Pragmatic Summit. Uploaded one session at the time.
Andrey Breslav, creator of Kotlin and founder of CodeSpeak, shares lessons from designing Kotlin and why he’s building a new language to keep humans in control in the age of AI.
The Pragmatic Engineer14 minSteve Yegge on the 8 levels of AI adoption, why big companies may be doomed, and why he and many AI-adopters feel drained from using agents non-stop
I sit down with Grady Booch to put today’s AI automation claims in historical context and explain why software engineering is entering another golden age, not disappearing.
The Pragmatic Engineer13 minTech businesses from seed-stage startups to publicly-listed companies reveal how they select and roll out next-generation IDEs, CLIs and code review tools. And how they learn which ones work… and whic
Also: AI agents keep changing engineers’ working styles, layoffs at big and profitable companies, “AI-native” techies increasingly in demand, and more
How Peter Steinberger, creator of Moltbot (formerly Clawdbot), builds and ships like a full team by centering his development workflow around AI agents.
The Pragmatic Engineer18 minCraft Docs resisted AI hype as a nimble, well-run startup – but has just made a sharp pivot to AI, building a universal agentic tool everyone there now uses. The results are phenomenal. Exclusive.
Also: New trend of staff+ engineers and managers using AI a lot, replacing a $120/year micro-SaaS with LLM-generated code, and more
The Pragmatic Engineer10 minA behind-the-scenes look at how Amazon S3 is designed for durability and correctness at massive scale, drawing on over a decade of operating one of the world’s largest distributed systems with Mai-Lan Tomsen Bukovec at AWS.
The Pragmatic Engineer29 minProduct engineers are more in demand than ever, but how do you become one? New book, “The Product-Minded Engineer”, offers a guide. An interview with its author and an exclusive excerpt
One trend this year may well be experimentation with agent orchestration and long-running agents – which is already underway. Also: Claude Code bans OpenCode while Codex embraces it, and more
The Pragmatic Engineer19 minA comprehensive guide to design system engineering (DSE): when it’s relevant, how AI changes things, and pointers for getting started. From Michael Abernethy, Principal Frontend Engineer at Rubrik
The “Ralph method” and running multiple agents at once gain popularity, AI job cuts at dev tooling and education providers, four nines of uptime after quitting the cloud, and more
The Pragmatic Engineer16 minNo longer a hypothetical question, this is a mega-trend set to hit the tech industry
The Pragmatic Engineer11 minThe most-read articles of the year, plus some personal favorites, and a look back at a busy year in tech
Also: GitHub upsets devs by charging for self-hosted CI/CD, Warsaw could become the EU’s new “tech capital”, hiring juniors is profitable now, and more
The Pragmatic Engineer11 minBryan Cantrill explains how decades of server and cloud evolution shaped modern infrastructure and what today’s engineers should learn from it.
The Pragmatic Engineer14 minWhat happens when there’s a massive outage at AWS? A member of AWS’s Incident Response team lifts the lid, after playing a key role in resolving the leading cloud provider’s most recent major outage
Also: inadequate capacity planning at AWS, how the engineering team at Oxide uses LLMs, Linux now supports Rust in the kernel, and more
The Pragmatic Engineer23 minExclusive excerpts from the newly-released book ‘Frictionless’, by Nicole Forsgren and Abi Noda.
The Pragmatic Engineer20 minHow engineers and teams use MCP servers: from debugging to working with legacy systems, & giving non-devs more access. Details from 40+ devs – with some surprises