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  • Full Stack Developer | PM | CS Analyst
  • Argentina

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Ripper-No-Chart/README.md

Andres Ezequiel Herrera

Full Stack Developer | Cybersecurity Analyst | Secure API & SaaS Builder

I build secure, scalable and maintainable web applications with a strong focus on backend architecture, API security, clean code and production-ready delivery.

My current work combines full stack development, cybersecurity practices and product-oriented thinking. I focus on creating systems that are well-structured, validated, documented and ready to evolve without compromising security or maintainability.


Core Focus

  • Secure REST API development
  • Full stack SaaS applications
  • Backend architecture with TypeScript and Node.js
  • Frontend development with Angular
  • Authentication, authorization and JWT-based access control
  • MongoDB data modeling and multi-tenant systems
  • DevSecOps, OWASP principles and secure coding practices
  • Vulnerability assessment and application hardening

Main Stack

Backend

Node.js TypeScript Fastify Express Zod JWT

Frontend

Angular RxJS HTML5 CSS3 Sass

Databases & Infrastructure

MongoDB PostgreSQL MySQL Docker Cloudflare Railway

Security & Tooling

OWASP DevSecOps Postman Git GitHub Linux


What I Build

  • Multi-tenant business management systems
  • Billing, sales and stock control platforms
  • Secure backend APIs with strict validation
  • Authentication and permission-based systems
  • Internal tools for automation and analysis
  • Security-focused applications and utilities

Development Principles

  • Strict TypeScript
  • Clean and modular architecture
  • Secure-by-default API design
  • Input validation with schemas
  • Clear separation of responsibilities
  • Minimal, maintainable and production-ready code
  • Documentation where it adds real value

Current Direction

I am currently focused on improving my expertise in:

  • Cybersecurity analysis
  • API security
  • DevSecOps practices
  • Secure SaaS architecture
  • Cloud deployment workflows
  • Real-world production systems

Contact

LinkedIn


GitHub Activity

Most of my work is focused on backend architecture, secure API development, Angular applications and production-ready SaaS systems.

You can explore my public repositories to see projects related to:

  • TypeScript backend development
  • Angular frontend applications
  • API security
  • Authentication and authorization
  • Multi-tenant systems
  • Automation and tooling

Pinned Loading

  1. Task-Manager Task-Manager Public

    Simple task manager in Javascript

    JavaScript 9 6

  2. Employees-List Employees-List Public

    Simple CRUD in Angular

    TypeScript 9 3

  3. AnagramTS AnagramTS Public

    Solve anagrams in Spanish using a dictionary via console

    TypeScript