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Joel Cadenas

Software Developer (Android · Web · Desktop)
Bogotá, Colombia (Remote available)
Email ing.jcadenas@gmail.com WhatsApp +57 317 756 4861 GitHub jcadenasSoftware Website jcadenas.com

Summary

Software Developer with experience in Android (Kotlin), Java desktop apps, and web platforms with my own backend. I build end-to-end solutions (frontend, backend, and database) with cloud services, secure login, geolocation, and real-time data sync. I use MVVM, Clean Architecture, and SOLID principles.

Skills

Android: Kotlin, Jetpack Compose, MVVM, Room, GPS
Web: PHP, MySQL, HTML, CSS, JavaScript, Bootstrap
Desktop: Java, JavaFX, iReport/Jasper
Cloud: Firebase Authentication, Firebase Storage, Firebase (sync)
Architecture: Clean Architecture, SOLID

Featured Projects

Mis Finanzas — Multi-platform (Android + Desktop)
GitHub Android | GitHub Desktop
Kotlin · Compose · MVVM · Room · Firebase · JavaFX
  • Finance system: Android (Kotlin/Compose) and Desktop (JavaFX).
  • Login with Firebase Authentication and cloud sync with Firebase (phone + computer).
  • Accounts, transactions, transfers, and charts (multi-user).
Busca tu Mascota (Android) + Informational Website
buscamostumascota.com | GitHub
Kotlin · Jetpack Compose · Firebase · GPS · PHP · MySQL
  • Platform for lost/found pets with geolocation and an interactive map.
  • Real-time chat between users and QR code generation.
  • Secure login with Firebase Authentication and data sync with Firebase.
marysbelleza.com — Production Website
marysbelleza.com
PHP · MySQL · JavaScript · Bootstrap · SEO · Analytics
  • Production website with admin panel for content and posts.
  • Public comments and star ratings.
  • Contact form (email), SEO, and Analytics.
Hosting Productive web platforms
jcadenas.com | marysbelleza.com
PHP · MySQL · Admin dashboard
  • Production websites with portfolio and admin dashboard.
  • Backend with MySQL database and custom admin panel.
Java Desktop — Inventory system
GitHub
Java · MySQL · iReport/Jasper
  • Inventory/accounting system with reports and book generation.

Education

Computer Engineering — 2009 - 2015
Java Programming Diploma — 2017 - 2018
See certificates
Relevant certificates

Languages

Spanish: Native
English: Basic (A2)