Building Next-Gen Apps

Software Engineer

Xavier J. Cruz

Xavier J. Cruz

Open to work

TypeScript
Tailwindcss
Astro
React
Django
Next
Nodejs
Python
JavaScript
HTML5
CSS3
Bash
Git
Github
Mysql
Postgresql
Aws
Nginx
Gunicorn

Get in touch

Let's Connect

Ready to collaborate on something amazing? If you're interested in discussing job opportunities or freelance projects, I'd love to hear from you!

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Let's build something amazing together!

My work

Projects

DevTyping

Interactive typing practice app for developers to improve coding speed while reviewing syntax in multiple languages. Built with React, Vite, Node.js, and CSS.

Sentinel AK-XL Virtual SOC

Comprehensive Virtual Security Operations Center for cybersecurity education and professional training. Features real-time threat detection, attack simulations, and enterprise-grade analytics. Built with ELK Stack, Wazuh, Docker, and VirusTotal API integration.

RepairMate

Enterprise troubleshooting platform that accelerates machine repair diagnostics and improves company productivity. Built with React, Django, JavaScript, and Python.

Twinglish AI

Twinglish is a Twitter-style web application where users can post short messages in English and receive instant AI-powered corrections and style feedback

Genie Movie AI MCP

An intelligent movie recommendation system using Model Context Protocol (MCP) connected to Claude.

Mind Concentration Trainer

Interactive brain-computer interface that translates EEG brainwave signals into physical movement using Arduino. Control servo motors with nothing but your thoughts!

Rayminator

Immersive 3D game that helps developers relieve stress by literally destroying bugs in a virtual environment. Developed with Three.js, React, and Node.js.

Stepie Tracker

Personal health dashboard for tracking weight fluctuations and physical activity streaks. Developed with React, Vite, and Node.js.

Simple Shell

Custom command-line interface built from scratch in C, implementing core shell functionalities and process management.

printF Function

Custom implementation of the printf function in C, handling multiple format specifiers and variable arguments.

Airbnb clone

Hospitality booking platform with property listings. Built with HTML, CSS, and JavaScript.

DocuMinder

Document management and reminder system built with Next.js.

More projects on

My Skills
Laptop illustration with code on screen

Featured Articles

From My Blog

View all

How to Use AI Tools to Write Code Faster, Safer, and Smarter

From automated testing to smart styling and security checks — here's how developers are using AI tools to ship better code in less time.

AI

AI Agents & Multi-Agent Systems: Transforming How Work Gets Done

Explore how AI agents and multi-agent systems are revolutionizing task automation, problem-solving, and human-AI collaboration across industries.

AI agents

Cybersecurity Basics: Essential Practices for Digital Protection

Learn the fundamental cybersecurity practices that everyone should know to protect their digital assets and personal information.

cybersecurity

Verified Skills

Certificates

View all certificates

CompTia Security+

CompTia

Information Security Management

AWS Certified Cloud Practitioner

AWS

AWS Cloud

Certified in Cybersecurity (CC)

ISC2

Access Control

My story

About Me

I'm a naturally curious and creative problem-solver whose journey spans multiple disciplines. From exploring electronics in my youth to earning a Biology degree and working 8 years as a Medical Technologist, I've always been driven by the desire to create and innovate. My transition to software engineering unites my analytical background with my passion for building solutions that make a difference. Whether developing with React and Node.js or exploring cybersecurity, I approach each challenge with the precision I honed in healthcare and the creativity I've cultivated across diverse fields. This unique perspective allows me to bridge technical and real-world domains, creating solutions that truly matter.

2006-2008

Electronics Workshop

Discovered my passion for technology through a 3-year electronics workshop in high school, learning hardware fundamentals.

2010-2014

Biology Degree (STEM)

Earned a Bachelor's degree in Biology from Inter American University, developing strong analytical and research skills.

2015-2023

Medical Technology

Spent 8 years as a Medical Technologist, honing attention to detail and problem-solving.

2023-2024

Software Development

Completed Holberton School's Foundations Curriculum, specializing in full-stack development with React, Node.js, and Python.

2024-2025

Cybersecurity

Specialized in Cybersecurity at Holberton School, strengthening technical expertise with modern security principles.

Want to know a little more about my journey? Click the button below.

Read My Story

Explore

Resources

Roadmap Trackers

Track your learning path and progress through structured roadmaps.

Cheat Sheets

Quick reference guides for languages, tools, and frameworks.

Algo Visualizer

Interactive visualizations of sorting and searching algorithms.