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edgar-macias-se/README.md

🇪🇸 Español

🚀 Edgar Macías | Software Engineer Senior

Experto en sistemas escalables Node.js/TypeScript y seguridad por diseño.🛡️

Inglés B2 Rol Principal GitHub Sponsors
Edgar Macias Profile

💡 Lo que hago

Soy un Ingeniero de Software Senior con más de 7 años de experiencia construyendo y modernizando sistemas de alto impacto (UNAM).

Mi enfoque es el Full-Stack en el ecosistema Node.js/TypeScript: desarrollo backends robustos con NestJS, frontends modernos con Next.js y soluciones móviles con Flutter. Mi experiencia en Application Security (AppSec) me permite mitigar vulnerabilidades desde la arquitectura.

Mi especialidad: Desarrollo de APIs escalables, migración de bases de datos críticas (PostgreSQL), y aseguramiento de código en entornos de alto tráfico.


🛠️ Stack y Experiencia Destacada

Área Tecnologías Clave Logro o Foco
Backend (Base) Node.js, NestJS, Express, TypeScript/JavaScript Desarrollo de APIs escalables y servicios de autenticación.
Frontend & Mobile Next.js, Flutter, Vite, AngularJS Experiencia en desarrollo web moderno y apps móviles Full-Stack (Cloud Firebase).
Bases de Datos & Infra PostgreSQL, Docker, SQL Server Liderazgo en la migración de DBs a PostgreSQL y gestión de entornos Docker.
Scripting / Herramientas Python, Go (Golang) Uso especializado para scripting de ETLs, análisis de datos y microservicios de cifrado.
Security (AppSec) Codificación Segura, OWASP, Criptografía Fundador de DevCybsec.com (laboratorios prácticos) y desarrollo de herramientas de análisis (Mini-SAST PoC).

🗺️ Mi Viaje de Ingeniería (Highlights)

  • Arquitectura Node.js: Implementación de backends con NestJS y APIs Gateway (Express Gateway) para sistemas de inscripción de alto rendimiento.
  • Diseño Seguro por Defecto: Implementación de criptografía robusta en sistemas sensibles para cumplir con normas de confidencialidad (Énfasis en Security by Design).
  • Migración de DB Crítica: Lideré la transición de una base de datos a PostgreSQL, utilizando scripting (Python) para garantizar el 100% de la integridad de datos.
  • Plataformas a Gran Escala: Diseño e implementación de sistemas de reglas dinámicas que manejan picos de alto tráfico en la UNAM.

🤝 Conéctate conmigo

Plataforma Enlace
Portafolio Profesional edgarmacias.com
LinkedIn edgar-macias-devcybsec
Email Profesional edgarmacias@devcybsec.com

🇬🇧 English

🚀 Edgar Macías | Senior Software Engineer

Expert in scalable Node.js/TypeScript systems and security by design.🛡️

English B2 Main Role GitHub Sponsors
Edgar Macias Profile

💡 What I do

I am a Senior Software Engineer with over 7 years of experience building and modernizing high-impact systems (UNAM).

My focus is on Full-Stack in the Node.js/TypeScript ecosystem: I develop robust backends with NestJS, modern frontends with Next.js, and mobile solutions with Flutter. My experience in Application Security (AppSec) allows me to mitigate vulnerabilities from the architecture level.

My specialty: Development of scalable APIs, migration of critical databases (PostgreSQL), and code assurance in high-traffic environments.


🛠️ Stack and Highlighted Experience

Area Key Technologies Achievement or Focus
Backend (Core) Node.js, NestJS, Express, TypeScript/JavaScript Development of scalable APIs and authentication services.
Frontend & Mobile Next.js, Flutter, Vite, AngularJS Experience in modern web development and Full-Stack mobile apps (Cloud Firebase).
Databases & Infra PostgreSQL, Docker, SQL Server Leadership in migrating DBs to PostgreSQL and managing Docker environments.
Scripting / Tools Python, Go (Golang) Specialized use for ETL scripting, data analysis, and encryption microservices.
Security (AppSec) Secure Coding, OWASP, Cryptography Founder of DevCybsec.com (practical labs) and development of analysis tools (Mini-SAST PoC).

🗺️ My Engineering Journey (Highlights)

  • Node.js Architecture: Implementation of backends with NestJS and API Gateways (Express Gateway) for high-performance enrollment systems.
  • Secure by Design: Implementation of robust cryptography in sensitive systems to comply with confidentiality standards (Emphasis on Security by Design).
  • Critical DB Migration: Led the transition of a database to PostgreSQL, using scripting (Python) to guarantee 100% data integrity.
  • Large-Scale Platforms: Design and implementation of dynamic rule systems that handle high traffic spikes at UNAM.

🤝 Connect with me

Platform Link
Professional Portfolio edgarmacias.com
LinkedIn edgar-macias-devcybsec
Professional Email edgarmacias@devcybsec.com

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