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nihcap/README.md

header

💻 Summary

  • 🏗️ 17+ years building robust, scalable backend systems with Java & Spring.
  • ⚡ Experience in reactive programming (Spring WebFlux), microservices, and hexagonal architecture.
  • 🤖 Early adopter of AI-assisted development (Kiro, Antigravity) and SDD achieving 93.75% reduction in implementation/testing time.
  • 🌐 Full SDLC experience across telecom, retail, utilities, healthcare, and banking.
  • 🎯 C2 English proficiency — ready for global teams.

🤖 AI-Assisted Development

Early adopter and practitioner of Agentic Development using modern AI IDEs:

  • Kiro (AWS) and Antigravity (Google DeepMind) for spec-driven development.
  • Experience designing Skills.md and Agents.md for workflow automation.
  • Led a pilot achieving 93.75% time reduction in implementation phases.

💪🏻 Skill Set

🔑 Core Stack

Java Reactive Java Spring Boot Spring Framework Spring WebFlux Hibernate JPA Lombok Android Development (Java)

🗄️ Databases

Microsoft SQL Server MongoDB MySQL Oracle PostgreSQL SQL

☁️ DevOps & Cloud

Docker Podman Kubernetes AKS Azure Cloud Azure DevOps CI CD DevOps Gradle Apache Maven

🌐 Web & APIs

REST SOAP API Swagger JSON JSP HTML5 CSS3 Javascript

🏗️ Architecture & Design

Hexagonal architecture DDD MVC SOLID OOP ORM Clean Code C4 Model Javadoc

📐 Methodologies & Standards

Scrum Kanban Waterfall Conventional Commits TDD

🤖 AI & Agentic Development

Agents.md Skills.md Kiro Google Antigravity Google Gemini NotebookLM SDD

🧪 QA & Code Quality

JUnit Jacoco Sonarlint SonarQube Findbugs PITest PMD

🔧 Version Control

Git Git Flow GitHub GitLab

🛠️ IDEs & Dev Tools

IntelliJ IDEA Android Studio Eclipse VSCode DataGrip DBeaver Toad Postman Vaxtly Mockoon Lens Diagrams.net Mermaid Diagrams Apache Tomcat Apache NetBeans Dokuwiki Jira Trello Microsoft Excel Notepad++ Putty

🖥️ Systems & Networking

Windows Ubuntu Kubuntu VirtualBox SSH FileZilla WinSCP ConEmu Warp Terminal

📄 Markup & G11n

YAML XML TOML Markdown I18n/L10n

🌐 Languages

  • 🇨🇴 Spanish (Native)
  • 🇺🇸 English (C2 Proficient — EF SET 81/100)

📚 Education

🎓 Formal Education

  • 🎓 Systems Engineer
    🏛️ University of Pamplona - Pamplona, Colombia
    📆 2007

🥇 Certifications

  • 🥇 Scrum Fundamentals Certified
    🏛️ SCRUMstudy
    📆 2024

  • 🥇 EF SET English Certificate 81/100 (C2 Proficient)
    🏛️ EF Standard English Test (EF SET)
    📆 2022

  • 🥇 Oracle Certified Associate, Java SE 7 Programmer
    🏛️ Global Knowledge / Oracle
    📆 2015

  • 🥇 Certified Scrum Developer
    🏛️ Scrum Alliance
    📆 2015

💾 Side projects

💻 Desktop Apps (Windows)

  • ⚡ Folder Remix
    📆 2026
    ⬇️ Download
    • My first Windows 11 desktop app.
    • Written in .NET 10.0
    • Folder Remix is a native Windows 11 desktop application designed to customize the icon of any folder. It is inspired by the Linux application Iconic, but features foreground icons preloaded offline from the Friconix icon library. It also supports custom text labels and custom icon resources.
    • Folder Remix implements a clean, modern, and highly responsive user interface matching Windows 11 Fluent guidelines.
    • Folder Selection.
    • Custom Color Picking.
    • Real-time canvas preview of how the customized folder will look before applying the changes.
    • Interactive Icon Selector Panel: A sliding side panel that contains a Search Bar and Filter for icons by Friconix categories: Regular, Solid, Thin, and Wide.
    • Text Label Mode
    • Dual-Style Back Cover Customization.
    • Custom Image & Resource Support
    • Warns the user when applying an icon to a folder that already has a customized desktop.ini or icon.
    • Easily revert any customized folder back to the default Windows system appearance.
    • Smart Offline Fallback
    • Inline Warning Banner
    • Supports both English and Spanish localization for all UI texts, dialogs, warnings, and tooltips.
    • Premium Dark Theme Styles & Fluent Scrollbars
    • Includes a Secret Easter Egg.

📲 Android Apps

  • ⚡ Randomlyst: random numbers
    📆 2013-2023
    card

    • My first Android app
    • Written in Java, I plan to migrate it to Kotlin.
    • I originally developed this project in Eclipse Juno with the ADT plugin and successfully migrated it in 2023 to Android Studio Giraffe for further development.
    • Target compatibility: Originally developed for Android API Level 14 (Android 4.0.x: Ice Cream Sandwich), now compatible with Android API Level 34 (Android 14)
    • 0 ANRS/crashes since first release.

  • ⚡ Christmas Novena
    📆 2013-2015
    card

    • Written in Java, working on a new version with Kotlin.
    • Successfully implements ActionBarSherlock library to use the then new navigation drawer funcionality and hamburger icon animation.
    • Project developed in Eclipse Juno with ADT plugin.
    • Target compatibility: Originally developed for Android API Level 14 (Android 4.0.x: Ice Cream Sandwich), later updated to be compatible with Android API Level 18 (Android 4.3: Jelly Bean)
    • 0 ANRS/crashes since first release.

💼 Work Experience

  • 💼 Software Development Analyst at IU Digital de Antioquia
    🌎 Medellín, Colombia
    📆 2025 - 2026
    Agents.md API C4 Model CD CI Clean Code Conventional Commits DBeaver DDD DevOps Diagrams.net Docker Google Gemini Git GitLab Google Antigravity Hexagonal architecture Jira Kiro Kubuntu Markdown Mermaid Diagrams MySQL Notepad++ PostgreSQL Postman REST Scrum SDD Skills.md SOLID SQL Swagger Ubuntu Vaxtly VSCode Warp Terminal YAML

  • 💼 Software Developer at Pragma S.A.
    🌎 Medellín, Colombia
    📆 2024 - 2025
    Apache Maven API CD CI Clean Code ConEmu DataGrip DBeaver Diagrams.net Docker Figma Git Git Flow GitHub GitLab Gradle Hexagonal architecture IntelliJ IDEA Jacoco Java JSON JUnit Lombok Mockoon MongoDB MySQL Notepad++ PITest Podman Postman REST Scrum SOLID Sonarlint Spring Framework Spring Boot Spring WebFlux SQL YAML

  • 👨🏻‍💻 Independent Android Developer (Kotlin)
    🌎 Medellín, Colombia
    📆 2023 - 2024
    Android Development Android Studio Kotlin Notepad++

  • 💼 Development Consultant at Sofka Technologies
    🌎 (Remote) Medellín, Colombia
    📆 2022 - 2023
    AKS API Azure Cloud Azure DevOps CD CI Clean Code ConEmu DataGrip DBeaver Diagrams.net Docker Figma Git Git Flow GitLab Gradle Hexagonal architecture IntelliJ IDEA Jacoco Java JSON JUnit Kubernetes Lens Lombok Mockoon MongoDB Oracle Podman PostgreSQL Postman Reactive Commons REST Scrum SOAP SOLID Sonarlint SonarQube Spring Framework Spring WebFlux SpringBoot SQL XML YAML

  • 💼 Senior Software Developer at EPAM Systems Colombia S.A.S.
    🌎 (Remote) Medellín, Colombia
    📆 2021

  • 💼 Analyst Developer at MVM Ingeniería de Software S.A.S.
    🌎 Medellín, Colombia
    📆 2014 - 2021
    Active Directory Apache Tomcat Azure DevOps CSS3 Dokuwiki Eclipse HTML5 Java Javascript JBoss Kanban Markdown Microsoft Excel Macros Notepad++ Oracle Putty Scrum Microsoft SQL Server SQL SSH Toad VirtualBox XML

  • 💼 Java Developer at ADA S.A.
    🌎 Medellín, Colombia
    📆 2014
    Eclipse GWT Java JPA Notepad++ Oracle Toad Data Modeler

  • 👨🏻‍💻 Independent Android Developer (Java)
    🌎 Medellín, Colombia
    📆 2013
    Android Development Eclipse Java Notepad++

  • 💼 Project Engineer at Pragma S.A.
    🌎 Medellín, Colombia
    📆 2011 - 2012
    AJAX Apache Tomcat Aptana CSS3 Eclipse Hibernate HTML5 I18n/L10n IBM Websphere Portal Jasper Reports Java Javadoc Javascript JBoss JPA jQuery JSF JSP JSTL JUnit MySQL Notepad++ Oracle Putty RichFaces Scrum Spring Framework SQL SSH WinSCP XML

  • 💼 Analyst Developer at LandSoft S.A.S.
    🌎 Medellín, Colombia
    📆 2009 - 2010
    AJAX Apache Tomcat Aptana CSS Eclipse Hibernate HTML Java Javascript JBoss jQuery JSP JSTL MySQL Notepad++ Oracle Spring Framework Toad Data Modeler XSLT

  • 💼 Junior Consultant at Assist Consultores de Sistemas S.A.
    🌎 Medellín, Colombia
    📆 2009
    Adobe Flex AJAX CSS DisplayTag Eclipse Hibernate HTML IBM Websphere Portal Java Javascript jQuery JSP JSTL MooTools Notepad++ Oracle XSLT YUI

  • 💼 Analyst Developer at Plataforma Universidad de Pamplona
    🌎 Pamplona, Colombia
    📆 2007 - 2008
    AJAX CASE Studio CSS HTML Java Javascript JSP Notepad++ Oracle JDeveloper PostgreSQL

📬 Let's Connect

I'm open to remote opportunities globally. Feel free to reach out:

LinkedIn Stack Overflow Stack Exchange

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