AMAbout Artem
I help businesses and projects stay secure by finding and fixing vulnerabilities before they become real threats. I perform penetration testing, security audits, and code reviews, including rare expertise in smart contracts and blockchain. I build custom tools and automation scripts to make testing faster and more effective. My goal is to make applications strong, safe, and ready for real-world use.
English
Native or bilingual
Russian
Native or bilingual
Ukrainian
Native or bilingual
Polish
Conversational
French
Basic
Remote only
Primarily works remotely
Experience
- Freelance / Self-EmployedCybersecurity Specialist & Pen TesterFebruary 2019 - Today (7 years and 4 months)Warsaw, PolandI work as a freelance cybersecurity specialist, securing web, mobile, and blockchain applications. My work includes penetration testing, vulnerability assessments, code audits, and smart contract reviews. I develop automation scripts and tools to speed up testing and create proof-of-concept exploits for real-world vulnerabilities. I help teams strengthen security practices and ensure applications are safe, reliable, and production-ready.
- Freelance / Self-EmployedCybersecurity Specialist | Penetration Tester | Bug Bounty ResearcherJanuary 2019 - Today (7 years and 5 months)Warsaw, PolandI work as a freelance cybersecurity specialist focused on securing modern applications and blockchain projects. My work includes deep security testing, code audits, and smart contract analysis to find vulnerabilities before they become real threats.I deal with everything from web logic flaws and API issues to blockchain overflows and misconfigurations. I also create my own tools and scripts to automate testing and make audits more efficient.My main focus is to help teams build applications that are strong, safe, and ready for real-world use.
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Education
- Bachelor's Degree in CybersecurityNational Technical University of Ukraine “Kyiv Polytechnic Institute”2025Currently pursuing a Bachelor's degree in Cybersecurity at the Kyiv Polytechnic Institute. The program covers a wide range of topics, including: Penetration Testing: Learning methodologies and tools to identify and exploit vulnerabilities in web applications and networks. Smart Contract Security: Understanding the principles of blockchain technology and conducting security audits of smart contracts. Security Audits: Gaining skills in reviewing and assessing the security of systems and applications. Exploit Development: Developing techniques to create proof-of-concept exploits for identified vulnerabilities. Security Testing Automation: Creating scripts and tools to automate the process of security testing and vulnerability assessment. The curriculum emphasizes practical skills and hands-on experience, preparing students to address real-world cybersecurity challenges effectively.