Question 1

Who is Vit Sebestyen?

Accepted Answer

Vít Šebestýen (also known as Vit Sebestyen or vitseb) is a Full Stack Developer and cybersecurity student from Ostrava, Czech Republic. He specializes in web applications (React, TypeScript, Astro), cybersecurity, and low-level systems (C, C#). He works at XEVOS as a Cybersecurity Developer and at MTA as a Cybersecurity Content Creator.

Question 2

What technologies does Vit Sebestyen use?

Accepted Answer

Vit Sebestyen works with JavaScript, TypeScript, React, Astro, C, C#, Python, Java, HTML, CSS, Tailwind CSS, Git, and Figma. For cybersecurity he uses Nmap, Wireshark, CyberChef, Kali Linux, and Splunk.

Question 3

Where is Vit Sebestyen based?

Accepted Answer

Vit Sebestyen (Vít Šebestýen) is based in Ostrava, Czech Republic, where he studies at VŠB FEI pursuing a Bachelor's degree in Computer Systems for Industry 4.0.

Question 4

What projects has Vit Sebestyen worked on?

Accepted Answer

Vit Sebestyen has built marketing websites for ANAFRA Cloud, ANAFRA Camera Systems, ANAFRA Dosys, and ANAFRA HELIOS iNuvio. He also built the ASTEA website from scratch and created a custom Buffer Overflow CTF challenge for the M-TA platform deployed on TryHackMe.

Question 5

Where does Vit Sebestyen work?

Accepted Answer

Vit Sebestyen currently works as a Cybersecurity Developer at XEVOS (since June 2026) and as a Cybersecurity Content Creator at MTA (since September 2025), both part-time alongside his university studies.

Question 6

What certifications does Vit Sebestyen hold?

Accepted Answer

Vit Sebestyen holds a Cambridge English C1 Advanced certificate (score 182), a SAL1 (Security Analyst Level 1) certification from TryHackMe, and CCNA1 and CCNA2 networking certifications from Cisco.

Question 7

How can I contact Vit Sebestyen?

Accepted Answer

You can contact Vít Šebestýen (Vit Sebestyen) via email at vitsebestyen@gmail.com, through the contact form at vitseb.eu, on LinkedIn at linkedin.com/in/vít-šebestýen, or on GitHub at github.com/vitseb.

Question 8

Is Vit Sebestyen available for freelance or new opportunities?

Accepted Answer

Yes, Vit Sebestyen is currently open to new opportunities and interesting projects. You can reach him through the contact form at vitseb.eu or directly via email at vitsebestyen@gmail.com.

Question 9

What is Vit Sebestyen's GitHub profile?

Accepted Answer

Vit Sebestyen's GitHub profile is github.com/vitseb where you can find his open source projects and code contributions.

Question 10

What is vitseb.eu?

Accepted Answer

vitseb.eu is the personal developer portfolio of Vít Šebestýen (Vit Sebestyen), a Full Stack Developer from Czech Republic. It showcases his projects, skills, work experience, education, and contact information.

All projects

ANAFRA Cloud

ANAFRA Camera systems

ANAFRA Dosys

ANAFRA HELIOS iNuvio

ASTEA

M-TA Buffer Overflow CTF