Thoughts, tutorials, and updates from a Senior Full Stack Developerhttps://brimmar.dev/enhttps://brimmar.dev/en/blog/the-week-the-internet-became-vulnerable/https://brimmar.dev/en/blog/the-week-the-internet-became-vulnerable/PHP, Node, Railway and OpenCode went down within days. Over 1.3 million servers exposed, leaked AI keys, and an attack that started 4 days before the warning. Here's what you need to know right now.Fri, 23 Oct 2026 12:00:00 GMThttps://brimmar.dev/en/blog/hand-written-code-is-over-for-those-who-can-pay/https://brimmar.dev/en/blog/hand-written-code-is-over-for-those-who-can-pay/DHH said 37signals stopped writing code by hand. So did I. The difference is that he runs frontier models without looking at the bill, and I get paid in Brazilian reais.Sat, 17 Oct 2026 00:00:00 GMThttps://brimmar.dev/en/blog/software-for-one-and-who-does-the-seeding/https://brimmar.dev/en/blog/software-for-one-and-who-does-the-seeding/Code got cheap and everyone will have the software they need. The value moves to data. The problem is that data comes from exactly the software everyone shares.Sat, 17 Oct 2026 00:00:00 GMThttps://brimmar.dev/en/blog/shopify-bought-tailwind-it-was-that-or-let-it-die/https://brimmar.dev/en/blog/shopify-bought-tailwind-it-was-that-or-let-it-die/In January Tailwind's funnel broke. In September Shopify gave the team a home. It was a rescue. What's left is what Shopify gains by owning the tool AI already treats as the web's default look.Wed, 16 Sep 2026 00:00:00 GMThttps://brimmar.dev/en/blog/php-does-not-need-a-faster-php/https://brimmar.dev/en/blog/php-does-not-need-a-faster-php/TypePHP promises to speed up PHP and Whim admits it is not PHP. I wanted erased generics but I get why internals said no.Thu, 10 Sep 2026 00:00:00 GMThttps://brimmar.dev/en/blog/not-my-problem-anymore/https://brimmar.dev/en/blog/not-my-problem-anymore/Andrew Kelley celebrated the end of Zig's relationship with Bun. The Rust rewrite was a technical success. Both facts are the same story, and neither is good news for anyone without access to infinite tokens.Sat, 11 Jul 2026 00:00:00 GMThttps://brimmar.dev/en/blog/the-rust-rewrite-and-the-explicit-pay-to-win-era/https://brimmar.dev/en/blog/the-rust-rewrite-and-the-explicit-pay-to-win-era/Bun merged [PR #30412](https://github.com/oven-sh/bun/pull/30412) today, moving from Zig to Rust. This is not just a language change, it is the moment the resource gap in software became undeniable.Thu, 14 May 2026 00:00:00 GMThttps://brimmar.dev/en/blog/is-html-the-new-markdown-or-just-the-new-hype/https://brimmar.dev/en/blog/is-html-the-new-markdown-or-just-the-new-hype/HTML is being pushed as the replacement for Markdown in AI workflows. But is this a technical breakthrough or just another wave of premature hype?Sat, 09 May 2026 00:00:00 GMThttps://brimmar.dev/en/blog/the-great-bun-experiment/https://brimmar.dev/en/blog/the-great-bun-experiment/Bun is testing a migration from Zig to Rust. Whether this represents a shift in systems programming or a failed gamble remains to be seen.Sat, 09 May 2026 00:00:00 GMThttps://brimmar.dev/en/blog/claude-opencode-and-the-death-of-byoh/https://brimmar.dev/en/blog/claude-opencode-and-the-death-of-byoh/Anthropic's blocking of third-party tools like OpenCode signals a shift in control, but the open ecosystem is moving faster.Fri, 16 Jan 2026 00:00:00 GMThttps://brimmar.dev/en/blog/tailwind-layoffs-and-knowledge-arbitrage/https://brimmar.dev/en/blog/tailwind-layoffs-and-knowledge-arbitrage/Tailwind CSS cutting 75% of its team isn’t just a business crisis; it’s the signal of a new Industrial Revolution in software development.Thu, 08 Jan 2026 00:00:00 GMThttps://brimmar.dev/en/blog/beyond-40-hours-why-work-is-almost-never-enough/https://brimmar.dev/en/blog/beyond-40-hours-why-work-is-almost-never-enough/Exploring why software development professionals need to go beyond their contractual 40 hours to build a solid career and stand out in the market, and how continuous learning differs from day-to-day work.Thu, 06 Nov 2025 22:00:00 GMThttps://brimmar.dev/en/blog/the-contradiction-of-the-return-to-office/https://brimmar.dev/en/blog/the-contradiction-of-the-return-to-office/Examining the contradiction between remote work success and the return-to-office movement in companies like Nubank, which reached its peak operating in a primarily remote environment, and why the mandatory hybrid model doesn't make sense for a company that eliminated the physical for customers.Thu, 06 Nov 2025 21:41:00 GMThttps://brimmar.dev/en/blog/from-human-culture-to-exposed-the-failure-of-abacatepay/https://brimmar.dev/en/blog/from-human-culture-to-exposed-the-failure-of-abacatepay/Critical analysis of how AbacatePay handled an employee's dismissal, exposing the disconnect between the company's marketing and the reality of management.Wed, 05 Nov 2025 21:00:00 GMThttps://brimmar.dev/en/blog/finally-the-first-post/https://brimmar.dev/en/blog/finally-the-first-post/I've been trying to write this first post for years, and the path to get here hasn't been a straight line.Tue, 14 Oct 2025 00:00:00 GMT