Engineering writing: privacy by design, fixing problems at the right layer, production AI integration, technical leadership, and regulated software.https://ismaparra.com/enhttps://ismaparra.com/articles/privacy-by-design/https://ismaparra.com/articles/privacy-by-design/On a healthcare platform, we didn't add security at the end. It shaped the architecture from day one — and that order of operations is the whole point.https://ismaparra.com/articles/stop-fixing-backend-problems-in-the-frontend/https://ismaparra.com/articles/stop-fixing-backend-problems-in-the-frontend/The slow screen wasn't a frontend problem. It rarely is. The fix belongs to the layer that owns the problem — and finding that layer is a skill.https://ismaparra.com/articles/getting-llms-past-the-demo/https://ismaparra.com/articles/getting-llms-past-the-demo/Calling an AI API is easy. Making it a reliable production feature is the actual job — and it's ordinary software engineering, applied without exceptions.https://ismaparra.com/articles/what-changed-when-i-stopped-writing-only-code/https://ismaparra.com/articles/what-changed-when-i-stopped-writing-only-code/My first promotion to lead taught me that shipping more code wasn't the point anymore. The multiplier is systems and people, not heroics.https://ismaparra.com/articles/building-frontend-for-regulated-software/https://ismaparra.com/articles/building-frontend-for-regulated-software/Building a bank's frontend from scratch changed my definition of 'production-ready'. In regulated software, consistency and validation aren't polish — they're the product.