Resume

Haydar Abessi (aka hyzr)

Software Developer & Ctf Player

hayderabbassi5@gmail.com
+216 90 521 709
Ariana, Tunisia
www.hyzr.tech

Professional Summary

Computer science student at the Higher Institute of Computer Science, focused on developing my skills in software development and all related fields. Actively engaged in clubs, notably as GR and technical member of Securinets ISI (2023–2024), and contributor & CTF challenge author at Securinets Tekup. Passionate about cybersecurity, especially vulnerability research and reverse engineering. Also a full-stack developer and occasional open-source contributor. Rigorous, proactive, and a strong team player — looking for a dynamic internship to grow and contribute.

Technical Skills

Programming Languages

C/C++
Python
Assembly
Java
C#
JavaScript
PHP

Security Tools

IDA Pro
Ghidra
GDB
Wireshark
Burp Suite
Binary Ninja
Nmap

Frameworks & Technologies

React
Next.js
Node.js
PostgreSQL
OracleDB
MySQL/MariaDB
Docker
Git
Linux
Flask
.NET

Specializations

Binary Analysis
Exploit Development
Malware Research
Cryptography

Education

Bachelor of Science in Computer Science

Higher Institute of Computer Science, Tunisia

2023 - 2026

Baccalaureate in Mathematics

Grambalia Technical High School
- Graduated with “Très Bien” (Very Good) distinction

2022 - 2023

Notable Achievements

  • Qualified for multiple CTF finals, including Hackfest'8
  • 2nd place at SparkCTF 2025
  • 2nd place at Hack To The Future CTF
  • Binary exploitation author at CTF Kareem by Securinets Tekup
  • Binary exploitation author at the prestigious CyberTek2.0 CTF