I'm
Sergio Rojas

SENIOR FULL STACK · PRODUCT MAKER

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Core

01
Architecture

Building scalable, high-performance foundations.

02
Engineering

Crafting efficient code from database to UI.

03
Optimization

Maximizing speed, stability, and technical SEO.

04
AI & Automation

Integrating smart models and automated workflows.

Portfolio

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SHOW CASE • SHOW CASE •
E-commerce & Websites
Cidef

Plataforma de análisis de mercado financiero y seguimiento de acciones en tiempo real.

SHOW CASE • SHOW CASE •
Mobile Apps
Recíclalos

App de fidelización y pago en estaciones de servicio.

SHOW CASE • SHOW CASE •
Web Application
Verso

Plataforma en la nube para automatización del hogar y monitoreo de eficiencia energética.

Latest Posts

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Automating Security in GitHub Actions
DevOps
Automating Security in GitHub Actions

Learn how to secure your CI/CD pipelines by integrating automated SAST security scanning and strict linting into your GitHub Actions workflow.

What's New in Angular 21 and 21.1
Angular
What's New in Angular 21 and 21.1

Angular 21 is here! Explore how the framework redefines web performance by removing Zone.js by default, introducing the highly anticipated Signal Forms, and adopting Vitest.

Web Developer's Guide to Prompt Engineering
AI
Web Developer's Guide to Prompt Engineering

Stop treating prompts like magic text. Learn how to engineer them like real artifacts: structured JSON output, role setting, versioning, and defensive validation so your AI features behave reliably in production.

Ahora estoy explorando

Estoy formándome en producto con IA y no-code en NocodeHackers, y jointherun.app es mi prueba: un proyecto personal construido íntegramente con estas herramientas.