Денис

Denys Abramiv
Junior Information Security Specialist

Work experience
NOV 2025 - AUG 2026 | SELF-EMPLOYED
Python Developer
Project: Distributed Data Synchronization System

Contact
Architecture & Scraping: Engineered a data synchronization
system managing menus across 29 remote locations using REST
Lviv, Ukraine Telegram APIs and high-performance web spiders (Scrapy, Selenium,
Undetected-Chromedriver).
[відкрити контакти](див. вище в блоці «контактна інформація») LinkedIn
Optimization & Integrity: Designed a local JSON caching
[відкрити контакти](див. вище в блоці «контактна інформація») TryHackMe mechanism to significantly reduce API calls and implemented
custom state-tracking algorithms via MD5 hashing to detect
About me real-time product updates.
Control Interface & Automation: Created an asynchronous
Cybersecurity specialist with a Telegram bot (Aiogram) serving as an admin panel, deployed as
Bachelor's degree and hands-on a continuous systemd service, alongside automated parsing
experience in configuring SIEM cycles scheduled via Linux cron jobs to guarantee continuous
systems. Skilled in Python automation, data updates.
secure data processing, and Linux/
Windows environments. Solid Project: Product Image Scraper
understanding of network protocols Concurrent Extraction: Developed a multi-threaded data
and network diagnostics. Looking to extraction tool to automatically parse XML sitemaps and
apply my academic knowledge and concurrently download product images. Implemented on-the-fly
scripting skills to an entry-level JPEG conversion (Pillow) and robust error handling for server
Information Security role. timeouts.
Project: Dealer Portal Scraper
Hard skills Fault-Tolerant Processing: Created a concurrent script to
bypass HTTP authentication and securely download assets from
Operating Systems: Windows 10/11, Linux
corporate portals based on remote CSVs. Enforced strict
(Ubuntu, Kali).
credential management via environment variables (.env) to
Networking & Protocols: TCP/IP, DNS (DoH/
prevent data leaks.
DoT), DHCP, FTP, SSH.
SIEM: Wazuh, Splunk.
Project: FTP to Google Drive Backup
Programming & Scripting: Python (Asyncio, Background Services: Engineered a Windows background
Scrapy, Selenium, Aiogram), Bash. service for scheduled file synchronization between FTP
Virtualization: Vagrant, VMware, VirtualBox. servers and Google Drive (OAuth 2.0). Configured system
Web Servers: Nginx (Load Balancing, mTLS). autostart via Windows Registry to ensure reliable, unattended
Data & APIs: REST APIs, WebSockets, JSON, backups.

Education
Pydantic.
Databases & Version Control: MySQL, SQLite,
Git. 2021 - 2025 | LVIV POLYTECHNIC NATIONAL UNIVERSITY

Languages
Bachelor of Cybersecurity
Bachelor's Thesis: "Development of a Security System for IoT
English Intermediate (B1) Using SIEM Technologies".
Deployed and configured Wazuh SIEM components to secure an
Ukrainian Native
IoT network.

Extracurricular
Installed and fine-tuned Wazuh agents on Raspberry Pi OS
endpoints.
Simulated real-world cyber attacks (Port Scanning, Brute-Force,
BestCTF Competition Participant
and DoS) to analyze system behavior and responses.
Actively participated in Capture the
Flag challenges, demonstrating
practical ethical hacking, vulnerability
Certifications
assessment, and problem-solving skills SoftServe Cyber Security Internship
in a competitive environment. Aug 2024 | ID: Series AP № 19901/2024