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  • Chile
  • 02:48 (UTC -04:00)

Achievements

Achievement: QuickdrawAchievement: Pull Shark

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Achievement: QuickdrawAchievement: Pull Shark

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HecatesMoon/README.md

🌙 Hi, I'm Joaquín - Junior Developer (Backend-Oriented)

Junior developer from Chile focused on backend with Java and Spring Boot. I build REST APIs, work with relational databases, and occasionally take projects full-stack. Strong preference for understanding how things work under the hood: data flow, application structure, security.

English C2 · Open to remote work

🔧 Tech Stack

Backend: Java · Spring Boot · Spring Security · JWT · JPA/Hibernate · REST APIs

Frontend: HTML · CSS · JavaScript

Database: MySQL · PostgreSQL

Other: PHP · Brevo API · Git · GitHub · Maven

💼 Freelance

🔹 drfranciscorodriguez.cl — Medical Practice Website

Freelance maintenance and development — active client (2026)

  • Took over an existing Bootstrap/PHP codebase and refactored it: cleaned unused code, fixed broken functionality, improved structure
  • Built a contact page with PHP form integrated to email via Brevo API
  • Added SEO with JSON-LD schema.org markup
  • Optimized images and improved mobile layout
  • Configured DNS, DMARC, and cPanel email forwarding
  • Site: drfranciscorodriguez.cl

📌 Projects

🔹 Debt Manager API - Personal Project (Backend)

Spring Boot REST API for managing personal debts with JWT authentication

  • Full JWT auth flow: register, login, protected endpoints
  • Spring Security configuration with custom filters
  • PostgreSQL with JPA/Hibernate and full CRUD for debt entries
  • Input validation with custom rules (password strength, future dates, positive amounts)
  • Centralized exception handling with custom error responses
  • Repository: debt-manager-api

🔹 GlicemIA - Bootcamp Final Project (Full-Stack / Backend role)

AI-powered app for blood glucose tracking

  • Built the chatbot module integrating the Gemini API
  • Developed backend logic: controllers, services, and relational database
  • Coordinated backend workflow: Git branching, pull requests, Trello
  • Repository: Proyecto-Glicemia

🔹 Isaac Backup Manager - Personal Project (Java)

Java CLI application

  • CLI tool to manage and ease backup processes
  • Focused on file system operations, IO handling, and program structure
  • Built using plain Java (no frameworks) to strengthen core language fundamentals
  • Repository: TBoIR-Backup-Manager

🎯 Currently Working On

  • Adding tests and Docker to Debt Manager API
  • Practicing frontend fundamentals
  • Open to remote roles in backend, QA, or technical support

📫 Contact

LinkedIn: https://www.linkedin.com/in/joaquin-araya-dev/

Email: joaquin.arayavega@gmail.com

Pinned Loading

  1. Proyecto-Glicemia Proyecto-Glicemia Public

    Full-stack app for blood glucose tracking with an AI-powered chatbot built on the Gemini API. Bootcamp final project.

    Java 1

  2. TBoIR-Backup-Manager TBoIR-Backup-Manager Public

    CLI tool to manage The Binding of Isaac Rebirth save files. Auto-detects paths by OS and game version. Cross-platform executables via GraalVM and GitHub Actions.

    Java

  3. debt-manager-api debt-manager-api Public

    REST API for managing personal debts with JWT authentication, Spring Security, and PostgreSQL. Built from scratch as a personal project.

    Java

  4. examen-juegos examen-juegos Public

    Java

  5. examen-oro-frases examen-oro-frases Public

    Java

  6. examen-postres examen-postres Public

    Java