ERDEM EFE ŞAHİN
Computer Science Graduate & M.S. Cybersecurity Student
Computer Science graduate and M.S. Cybersecurity student combining strong foundations in network security and systems with practical web development skills (Python, JS, HTML/CSS). Proven ability in technical troubleshooting, B2B client communication, and end-to-end project delivery for international clients, ready to excel in IT, web, and security operations.
Erdem Efe Şahin
B.A. CS (4.26 GPA) • M.S. CyberSec
Portfolio & Technical Projects
Stego App — Text Steganography for IP Protection
An application designed to protect intellectual property rights using linguistic text steganography techniques. Embeds hidden cryptographic watermarks and ownership data inside plain text documents using Natural Language Processing (NLP) synonym substitution without altering the visible meaning.
OpenCV Face Detector
Real-time computer vision and facial detection system built with Python and OpenCV. Processes live video streams and static imagery to accurately detect, track, and highlight human faces using cascade classifiers and image processing pipelines.
Education & Cybersecurity Focus
M.S. IT Cyber Security
Maria Curie-Skłodowska University (UMCS) — Lublin, Poland
Threat detection, SIEM log analysis, network traffic monitoring, and incident response.
Identifying web/API vulnerabilities (OWASP Top 10), secure code reviews, and threat modeling.
System hardening, defensive architecture, and vulnerability assessment.
Leveraging full-stack development experience to understand attack surfaces and automate defensive workflows.
B.A. Computer Science
The John Paul II Catholic University of Lublin (KUL) — Lublin, Poland
"An Application for Protecting Intellectual Property Rights Using Text Steganography Techniques"
Software Engineering Exchange
Varna University of Management — Varna, Bulgaria
Participated in collaborative software engineering projects and technical seminars within a multicultural academic environment.
Professional Experience
Digital Media & Project Specialist
ActiveFreeUp — Florida, United States (Remote)
- Managed end-to-end digital project delivery and web optimization for international B2B clients.
- Translated client needs into technical workflows, maintaining 100% SLA and deadline adherence.
Web Developer, Intern
Domaintube — London, United Kingdom (Remote)
- Developed and troubleshot web apps using JS, HTML, CSS, and Python for high availability and speed.
- Administered WordPress CMS platforms, resolving plugin issues and configuring secure DNS settings.
- Assisted with technical SEO audits and performance debugging, using Git for version control.
B2B Account & Sales Specialist
vabz.creative — Poland (Remote)
- Directed B2B client engagement strategies to enhance sales performance across US and EU markets.
- Onboarded new clients by bridging technical teams and customers via clear technical communication.
- Managed CRM workflows and tracked client metrics to support customer acquisition.
Skills & Competencies
Security Foundations
Technical & Dev
Delivery & Web Ops
Key Achievements & Leadership
Media Director, Africa Day Festival
Directed media strategy and public communications — Featured on TVP Lublin.
Founder & Lead, Programming Club
Established and led the programming community at Abraham D. Ministry Foundation.
Award-Winning Short Movie Screenwriter
Recognized for narrative consulting and original short film screenwriting.