┌──(ronald㉿security)-[~/portfolio]
└─$ ./deploy.sh --production
available for work

Ronald Zambrano

Backend Developer crafting secure and scalable APIs with Python, Flask & AWS.

ISO 27001 Lead Auditor · Analysis · Applied Security

Python Flask AWS PostgreSQL Keycloak Java Spring Boot Docker

Backend · Security · Analysis

Backend Developer with comprehensive training: from requirements gathering and analysis to implementing secure architectures in production. I combine technical vision with the ability to understand and document business processes.

Currently responsible for authentication and security at a fintech, implementing Keycloak for identity management, roles, groups, and access control in production. I work with Flask and Python on AWS, PostgreSQL databases, and secure APIs. I also have solid experience with Java and Spring Boot.

Requirements & Analysis Requirements gathering, technical documentation, process modeling, and solution design.
ISO/IEC 27001:2022 Lead Auditor Security by design: authentication, authorization, access control, and system auditing.
location Bogotá, Colombia
education Software Eng. (in progress)
background Software Dev. Tech - SENA
certifications 15+
status available

Technologies & Tools

Backend

Python Flask Java Spring Boot JavaScript Node.js Express

Frontend

Angular React

Databases

PostgreSQL MySQL SQL Server

Cloud & DevOps

AWS Docker Keycloak Linux Ubuntu Kali Linux Git GitHub Actions

Security & Auth

Keycloak OAuth 2.0 JWT RBAC ISO 27001 SGSI

Methodologies

Scrum Agile Git Flow

Analysis

Requirements Documentation UML Data Modeling

Education & Certifications

// education

Software Engineering

Corporación Universitaria Iberoamericana · In progress

Software Analysis & Development Technologist

SENA · 2022 - 2024

// featured certifications

Cloud Architecture

Talento Tech AI

Java SE 8 Programming (OCP)

EXACOM

Cybersecurity Fundamentals

Google

→ View all certifications on Credly

Recent Work

🎨

SubastArt

Online art auction platform with real-time bidding system. Features user management, favorites, and auction history.

React Spring Boot PostgreSQL WebSockets
💰

Fineazily

Financial management system for SMEs. Branch, staff, and finance management with visual and automated reports.

Next.js Spring Boot PostgreSQL Docker
📦

SellerTat Pro

Management system with web and mobile app for real-time sales and inventory control.

Node.js React React Native MySQL

Let's Talk

Have a project in mind?

I'm available for freelance projects, collaborations, and full-time opportunities. If you're looking for a developer who understands both code and security, let's talk.

ronald@portfolio ~
whoami
backend_developer
cat skills.txt
python, flask, java, spring boot, aws, keycloak, security
echo $STATUS
available_for_hire
_