https://3l1070r.com/en/ Software architecture, fraud detection, cybersecurity — Elio Rincón en https://3l1070r.com/en/la-inflacion-de-conocimiento.html https://3l1070r.com/en/la-inflacion-de-conocimiento.html Fri, 31 Jul 2026 00:00:00 +0000 LLMs stretched the scale. What you know stayed the same and it is worth less. On the trap of feeling close to expert while measuring against a bar that no longer exists. https://3l1070r.com/en/el-volumen-de-codigo-se-multiplico.html https://3l1070r.com/en/el-volumen-de-codigo-se-multiplico.html Sun, 26 Jul 2026 00:00:00 +0000 Every week more code and more features ship, and the hours to review it are the same. The loop I use today, what I validate with, and what gets delegated and what doesn't. https://3l1070r.com/en/aprender-a-construir-en-publico.html https://3l1070r.com/en/aprender-a-construir-en-publico.html Sun, 19 Jul 2026 00:00:00 +0000 In a room, confidence gets mistaken for knowing. On building in public, putting your work out into the world, and why doing it today costs almost nothing. https://3l1070r.com/en/el-modelo-te-ayuda-tu-decides.html https://3l1070r.com/en/el-modelo-te-ayuda-tu-decides.html Mon, 06 Jul 2026 00:00:00 +0000 Anyone can build anything with an LLM, but not everyone builds something good. On the wave of generic products, why quality dropped, and why the model helps you build but doesn't decide for you. https://3l1070r.com/en/la-credibilidad-es-el-nuevo-diploma.html https://3l1070r.com/en/la-credibilidad-es-el-nuevo-diploma.html Sun, 05 Jul 2026 00:00:00 +0000 Learning has never been this fast, so speed stopped being the problem. The new one is credibility: how you prove you actually know. An idea of where education can go. https://3l1070r.com/en/lo-que-importa-es-tu-vision.html https://3l1070r.com/en/lo-que-importa-es-tu-vision.html Sun, 28 Jun 2026 00:00:00 +0000 Learning and building have never been this easy, so the scarce thing is no longer knowledge but vision and judgment. On learning like never before, crossing into other areas, and why what matters most today is knowing what to build and recognizing what generates value. https://3l1070r.com/en/ia-y-el-miedo-al-cambio.html https://3l1070r.com/en/ia-y-el-miedo-al-cambio.html Sat, 20 Jun 2026 00:00:00 +0000 We're in the middle of a paradigm shift with AI. The technical excuses for resisting it keep changing, but the message underneath is always the same: fear that the time invested will lose its weight. https://3l1070r.com/en/cuanto-cuesta-realmente-el-fraude.html https://3l1070r.com/en/cuanto-cuesta-realmente-el-fraude.html Sun, 31 May 2026 00:00:00 +0000 The number your team reports as the cost of fraud is only a part. The real bill —false positives, team hours, fees, slow response, fragmented stack— is 3 to 4 times larger, and almost nobody adds it up. https://3l1070r.com/en/composicion-antifraude.html https://3l1070r.com/en/composicion-antifraude.html Sat, 23 May 2026 00:00:00 +0000 Why there's no Swiss army knife in fraud prevention — and how combining rules, lists, models, and graphs in a single system produces the quality data the engine needs to decide well. https://3l1070r.com/en/contracargos-termometro-no-enfermedad.html https://3l1070r.com/en/contracargos-termometro-no-enfermedad.html Thu, 21 May 2026 00:00:00 +0000 Why chargeback rate always reaches you late, why teams end up measured against the wrong metric, and what changes when you start thinking about fraud from the attacker's side. https://3l1070r.com/en/falsos-positivos-mejores-clientes.html https://3l1070r.com/en/falsos-positivos-mejores-clientes.html Tue, 19 May 2026 00:00:00 +0000 Why false positives are the invisible cost of poorly calibrated fraud prevention, and how to measure them without sacrificing real fraud detection. https://3l1070r.com/en/escalar-analistas-trampa.html https://3l1070r.com/en/escalar-analistas-trampa.html Sun, 17 May 2026 00:00:00 +0000 Why 75% of the fraud analyst's day happens outside the fraud product, and what has to change for every team hour to land where it matters. https://3l1070r.com/en/stack-antifraude-fragmentado.html https://3l1070r.com/en/stack-antifraude-fragmentado.html Fri, 15 May 2026 00:00:00 +0000 Why having five fraud vendors that don't talk to each other costs you more than the fraud itself, and what a truly integrated stack actually looks like. https://3l1070r.com/en/motor-evoluciona-atacante.html https://3l1070r.com/en/motor-evoluciona-atacante.html Thu, 14 May 2026 00:00:00 +0000 Why having a trained model isn't the same as having a fraud engine that learns from the adversary at the same pace the adversary learns from you. https://3l1070r.com/en/costo-invisible-responder-lento.html https://3l1070r.com/en/costo-invisible-responder-lento.html Wed, 13 May 2026 00:00:00 +0000 Why the lag between detecting a new fraud pattern and blocking it in production is the metric that defines how much fraud actually costs you. https://3l1070r.com/en/high-performance-team-culture-reflections.html https://3l1070r.com/en/high-performance-team-culture-reflections.html Sat, 11 Apr 2026 00:00:00 +0000 The culture, technical practices, and principles I designed for a high-performance engineering team. Async first, radical candor, monolith first, and lessons learned. https://3l1070r.com/en/high-performance-team-design-stack.html https://3l1070r.com/en/high-performance-team-design-stack.html Sat, 11 Apr 2026 00:00:00 +0000 How I designed the squad structure, defined the ideal developer profile, and planned the consolidation of a stack fragmented across 8 languages and 571 repositories. https://3l1070r.com/en/high-performance-team-diagnosis-framework.html https://3l1070r.com/en/high-performance-team-diagnosis-framework.html Sat, 11 Apr 2026 00:00:00 +0000 How I diagnosed an engineering organization disconnected from the business and designed a 5-pillar framework to transform it into a compact, high-performance team. https://3l1070r.com/en/90-day-execution-plan-engineering.html https://3l1070r.com/en/90-day-execution-plan-engineering.html Tue, 17 Mar 2026 00:00:00 +0000 Squad rituals, metrics-driven planning, prioritization system, DORA metrics targets, and career ladder. Part 3 of 3. https://3l1070r.com/en/metrics-dashboard-strategy-engineering.html https://3l1070r.com/en/metrics-dashboard-strategy-engineering.html Tue, 17 Mar 2026 00:00:00 +0000 Weekly KPIs, CTO alerts, connecting engineering metrics to business outcomes, and how to implement a dashboard without over-engineering it. Part 2 of 3.