Orfeas Nikolaos Ouzounidis

Security & Software Engineering Portfolio

Cloud Governance | Cybersecurity Analyst | Java Programmer

Ελληνικά

Education & Certifications

BSc (Hons) Cyber Security

University of Derby via Mediterranean College

In Progress

Expected: 2027

IBM Java Developer Professional

IBM via Coursera

In Progress

Expected: 2025

Microsoft Cybersecurity Analyst

Microsoft via Coursera

In Progress

Expected: 2025

Google Cybersecurity Certificate

Google via Coursera

Completed- Verify

2024

Professional Experience

Transitioned from 9 years in self-employed JavaScript game development, where I honed problem-solving skills, performance optimization, user-centric design thinking, and milestone constrainment work. Currently applying this technical foundation to Java programming, cybersecurity challenges and horizon-broadening in the field of Computer Science, Cloud Governance and Security.

Key Achievements

LetsDefend.io Top Performer

Ranked 8th nationally in incident response and threat hunting in 2024.

View Profile

Military Security Experience

Network security and infrastructure protection during military service.

Cybersecurity Certificate

Completion of Google's cybersecurity fundamentals program on Coursera.

Verify Certificate

Technical Skills

Security & Cloud Governance

  • •Computers & Operating Systems Security
  • •Blue Team Operations & Incident Responses
  • •Azure Security & Compliance
  • •Cybersecurity Solutions & Microsoft Defender
  • •Cloud Native, Microservices & Containers

Software Development

  • •Java & Java for mobile Development
  • •HTML, CSS, JavaScript, PHP
  • •C# (Microsoft Learn Path)
  • •Java Development with Databases
  • •Secure Coding Practices & Theory

Featured Projects

Sigil Vault web app

A URL shortener web application with PHPmyAdmin integration and security measures

Technologies: HTML, CSS, JS, PHP

Core Skill: Safe Coding

View on GitHub →

Mood Tracker console app

Practical console app for mood tracking. An enhanced IBM Java Developer lab exercise

Technologies: Java, JAR

Core Skill: Resource Safe Handling

View on GitHub →

Eatman: Arcade Game

Pacman look-alike project with GUI, built entirely from scratch with Java on Netbeans IntelliJ IDE

Technologies: Java, JFrame

Core Skill: Modular programming

View on GitHub →

LinkedIn GitHub Substack