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akpmarcelin/README.md

Hi there, I'm Marcelin 👋

🚀 About Me

Computer Science student passionate about building secure, scalable, and distributed systems.

My main interests include:

  • 🔐 Cybersecurity
  • ☕ Backend Development
  • ☁️ Cloud & DevOps
  • 🤖 Automation & AI
  • ⛓️ Blockchain Technologies
  • 📡 Distributed Systems
  • 🏗️ Infrastructure as Code

I enjoy designing and building practical systems that solve real-world problems while continuously exploring modern technologies and architectures.


🛠️ Technologies & Tools

Programming Languages

  • Java
  • Python
  • JavaScript
  • SQL
  • C++

Backend Development

  • Java Backend Development
  • JDBC
  • JPA / Hibernate
  • Jakarta EE
  • REST APIs
  • JWT Authentication
  • Django
  • MySQL
  • PostgreSQL
  • Maven

Enterprise Java & Distributed Systems

  • Payara Server
  • Jersey Client
  • JMS
  • ActiveMQ Artemis
  • Message Queues
  • Topics & Publish/Subscribe Architecture
  • Client-server communication

DevOps & Cloud

  • Docker
  • Kubernetes
  • Terraform
  • Ansible
  • Vagrant
  • Linux Administration
  • CI/CD concepts

Automation & Integration

  • n8n
  • Workflow Automation
  • API Integrations
  • Telegram Bots
  • AI-powered workflows

Cybersecurity

  • Linux Security
  • Honeypots
  • Network Analysis
  • Web Security Labs
  • TryHackMe
  • Capture The Flag (CTF)
  • Vulnerability Research

Blockchain & Emerging Technologies

  • Blockchain Development
  • Distributed Ledger Technologies
  • Smart Contracts (Learning)
  • Decentralized Systems

Tools

  • Git & GitHub
  • Docker
  • NetBeans
  • VS Code

📌 Featured Projects

🔹 School Attendance Management API

Backend API for managing student attendance with:

  • QR Code authentication
  • Geolocation verification
  • User authentication
  • Database management
  • REST architecture

🔹 Pharmacy Management System

A backend and database system designed to manage pharmaceutical products, inventory, and sales.

Technologies explored:

  • Java
  • SQL
  • Database Design
  • Backend Architecture

🔹 Automation Workflows

Automation systems built with n8n integrating:

  • APIs
  • Telegram Bots
  • AI Services
  • Notifications
  • Workflow Orchestration

🔹 Cybersecurity Projects

Hands-on security projects including:

  • Honeypot deployment
  • Network monitoring
  • Linux security experiments
  • Web vulnerability labs
  • CTF challenges

🔹 Enterprise Java Experiments

Academic and personal projects exploring enterprise Java technologies:

  • JDBC
  • JPA
  • Jakarta EE
  • Payara Server
  • REST Services
  • Jersey Client
  • JMS Messaging
  • ActiveMQ Artemis

Projects developed locally for learning and experimentation.


🔹 Blockchain Project

Currently developing a blockchain-related project.

Repository is private for now while the project is under development.


📈 Current Goals

  • Build production-ready backend systems
  • Improve my cybersecurity expertise
  • Master cloud-native architectures
  • Develop distributed applications
  • Automate real-world workflows
  • Explore blockchain technologies
  • Contribute to open-source projects

🌱 Currently Learning

  • Advanced Java Backend Architecture
  • Kubernetes
  • Terraform
  • Ansible
  • Cloud Infrastructure
  • Offensive Security
  • Blockchain Development

📚 Sharing My Journey

I plan to share my technical experiments, projects, and research through:

  • GitHub repositories
  • Technical articles
  • Development notes

"Build systems that solve real-world problems."


Pinned Loading

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  4. CVE-2026-24061-lab CVE-2026-24061-lab Public

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  5. AssuranceApp AssuranceApp Public

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  6. cybersecurity-writeups cybersecurity-writeups Public

    Python