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IT-спеціаліст
- Considering positions:
- IT-спеціаліст, розробник сайтів, AI developer, System administrator, AI-розробник, ІТ-спеціаліст
- Age:
- 19 years
- City of residence:
- Khmelnytskyi
- Ready to work:
- Khmelnytskyi, Remote
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Mykola Volodymyrovych Kostiuk
Khmelnytskyi, Ukraine | [open contact info ](look above in the "contact info" section) | [open contact info ](look above in the "contact info" section) | Telegram: HardDeat
SUMMARY
Cybersecurity student with practical experience in network infrastructure setup, web
development, and ethical hacking competitions. Co-founder of the CTF team 518&imposter.
Experienced in hardware maintenance, automation scripting, and integrating external APIs into
web applications. Focused on developing in cybersecurity (Blue/Red Team), backend
development, or system administration.
SKILLS
● Cybersecurity & CTF: OSINT, Forensics, basic Reverse Engineering, cryptographic
tables, and custom bitmasks.
● Programming & Scripting: Python, C, C++, C#, JavaScript (Node.js, React), SQL
(PostgreSQL), automation scripting (AutoHotkey v2).
● Integrations & API: Practical experience connecting external services, including Nova
Poshta API (logistics), and AI API integration for automation and data processing.
● Networking: Network cabling, configuration and maintenance of network devices and
routers.
● Hardware/OS: PC assembly and troubleshooting, OS administration (Windows, Linux),
low-level mobile device flashing (SP Flash Tool, SPD Flash Tool).
EXPERIENCE
Khmelnytskyi National University | Khmelnytskyi
IT Department Lab Assistant | July 2025 - December 2025
● Performed physical installation and network cabling in university premises.
● Conducted basic configuration of network devices to ensure stable connectivity.
● Provided local-level technical support and maintenance of network infrastructure.
PROJECTS & CTF ACHIEVEMENTS
● CTF Team 518&imposter (Co-founder & Member): Lead problem solver for OSINT and
Forensics challenges.
● National CTF (Defense Intelligence of Ukraine): Achieved a high result, received an
official Commendation and an invitation to join the GUR RED Team platform.
● Cyber Security Universiade 2026: Top-10 team finish (solved 16 of 19 challenges).
● CTFLviv2025: 7th place in the team standings.
● International CTF Competitions: niteCTF 2025 (29th place), Midnight Sun CTF 2026
(151st place), boroCTF (193rd place), SWIMMER OSINT CTF 2026 (266th place).
● Full-Stack Web Development: Designed and deployed a custom web application
architecture using Node.js, React, and PostgreSQL, including robust integrations with
logistics, payment, and AI services.
EDUCATION
Khmelnytskyi National University | Khmelnytskyi
Bachelor, 125 Cybersecurity and Information Protection | Sep 2024 - 2028
● Key coursework: Information Security Fundamentals, Operating Systems and Protection
Technologies, Information Protection in Info-Communication Systems, Web Resource
Security.
LANGUAGES
● Ukrainian: Fluent
● English: A2
Khmelnytskyi, Ukraine | [
SUMMARY
Cybersecurity student with practical experience in network infrastructure setup, web
development, and ethical hacking competitions. Co-founder of the CTF team 518&imposter.
Experienced in hardware maintenance, automation scripting, and integrating external APIs into
web applications. Focused on developing in cybersecurity (Blue/Red Team), backend
development, or system administration.
SKILLS
● Cybersecurity & CTF: OSINT, Forensics, basic Reverse Engineering, cryptographic
tables, and custom bitmasks.
● Programming & Scripting: Python, C, C++, C#, JavaScript (Node.js, React), SQL
(PostgreSQL), automation scripting (AutoHotkey v2).
● Integrations & API: Practical experience connecting external services, including Nova
Poshta API (logistics), and AI API integration for automation and data processing.
● Networking: Network cabling, configuration and maintenance of network devices and
routers.
● Hardware/OS: PC assembly and troubleshooting, OS administration (Windows, Linux),
low-level mobile device flashing (SP Flash Tool, SPD Flash Tool).
EXPERIENCE
Khmelnytskyi National University | Khmelnytskyi
IT Department Lab Assistant | July 2025 - December 2025
● Performed physical installation and network cabling in university premises.
● Conducted basic configuration of network devices to ensure stable connectivity.
● Provided local-level technical support and maintenance of network infrastructure.
PROJECTS & CTF ACHIEVEMENTS
● CTF Team 518&imposter (Co-founder & Member): Lead problem solver for OSINT and
Forensics challenges.
● National CTF (Defense Intelligence of Ukraine): Achieved a high result, received an
official Commendation and an invitation to join the GUR RED Team platform.
● Cyber Security Universiade 2026: Top-10 team finish (solved 16 of 19 challenges).
● CTFLviv2025: 7th place in the team standings.
● International CTF Competitions: niteCTF 2025 (29th place), Midnight Sun CTF 2026
(151st place), boroCTF (193rd place), SWIMMER OSINT CTF 2026 (266th place).
● Full-Stack Web Development: Designed and deployed a custom web application
architecture using Node.js, React, and PostgreSQL, including robust integrations with
logistics, payment, and AI services.
EDUCATION
Khmelnytskyi National University | Khmelnytskyi
Bachelor, 125 Cybersecurity and Information Protection | Sep 2024 - 2028
● Key coursework: Information Security Fundamentals, Operating Systems and Protection
Technologies, Information Protection in Info-Communication Systems, Web Resource
Security.
LANGUAGES
● Ukrainian: Fluent
● English: A2
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The candidate's resume is posted at https://www.work.ua/resumes/20185645/