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Systems and Computer Engineering student at Universidad del Quindío (Quindío, Colombia), in my seventh semester. Passionate about building scalable, maintainable systems following clean architecture principles. My journey started with Java desktop apps and evolved to full-stack web development with a backend focus. I thrive on solving real-world problems, blending technical skills with an entrepreneurial mindset from running my own donut business.

• 🌍 Based in Armenia, Quindío, Colombia
• 📫 Reach me at: estebangumy05@gmail.com
• 🔗 Portfolio | LinkedIn

• RESTful APIs & JWT Authentication
• Microservices Architecture
• Machine Learning (scikit-learn, NLTK)
• Data Structures & Algorithms
• UI/UX Design
• Database Management
• Entrepreneurial Mindset & Problem-Solving

Tech Stack: Spring Boot, Angular, JavaFX, MariaDB, Mapbox

• Developed a scalable platform for managing accommodations, reservations, and reviews with 10+ RESTful endpoints secured by JWT.
• Integrated real-time search filters, email notifications, and pagination, handling 100+ simulated users efficiently.
• Led end-to-end development, achieving modular design aligned with clean architecture.

Tech Stack: Python, pandas, NLTK, scikit-learn

• Built an ML pipeline for IMDB review classification, preprocessing text with tokenization and lemmatization.
• Trained Logistic Regression model achieving 85%+ accuracy, precision, and recall on test sets.
• Created a modular prediction function for real-time custom text analysis.

Tech Stack: Java, JavaFX, MVC Pattern

• Designed a desktop app with custom data structures (lists, stacks, queues, trees, graphs) for account management and transactions.
• Implemented ranking system based on points from deposits/withdrawals, supporting scheduled operations.
• Interactive UI with real-time visualizations, processing 50+ transactions per session.

Tech Stack: Angular 18, Spring Boot 3, TypeScript, Java 17

• Integrated REST APIs with CORS, personalized features, and responsive design.
• Focused on modern UI/UX, handling user interactions seamlessly.

• ¡Ay, Donitas! - Donut Business Owner & Developer (2023-2026): Founded and managed operations; built a JavaFX/SQLite app automating sales tracking, boosting efficiency by 30%.
• Delivery Person & Waiter (2022-2025): Honed time management and customer service in fast-paced environments.
  For full details, download my CV.

Active Focus: Advanced Spring Boot (Security, JPA, Microservices), JavaScript ecosystems, database optimization, DevOps.

2026 Objectives:

• Master Angular + Spring Boot full-stack.
• Explore React for comparison.
• Implement CI/CD pipelines.
• Dive into cloud tech and microservices patterns.

Long-Term Interests: Cybersecurity, scalable architectures, applied cryptography, DevOps.

const professionalProfile = {
  location: "Quindío, Colombia",
  education: "Systems & Computer Engineering",
  currentFocus: ["Full Stack Development", "Clean Architecture", "Software Best Practices"],
  expertise: "Building robust, scalable systems",
  approach: "Quality-driven development with continuous learning"
};

I welcome discussions on software practices, collaborations, or just a chat about tech.

• Portfolio:estebangmz666.github.io
• Email:estebangumy05@gmail.com
• LinkedIn:zNotKayn

Thanks for visiting! Explore my repos and let's connect. ⭐ If you like this, star a project!