Onur Gule
Senior Application Security Specialist
Istanbul, Istanbul, Turkey
Summary
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Senior🎓
Top SchoolOnur Gule is a Senior Application Security Specialist with eight years of hands-on offensive security experience, currently protecting some of Turkey’s largest applications at Turkcell. He leads internal and external penetration testing programs and architects platforms for continuous attack surface management, vulnerability scanning, DDoS testing, and social engineering campaigns. A top-of-class Computer Engineering graduate and OSCP holder, he combines deep technical craft—including custom pentesting/reporting tooling—with product-minded automation to scale security operations. His background as a technical co-founder and full‑stack freelancer gives him practical insight into secure development lifecycles and integration challenges across web, mobile, and backend systems. Now pursuing an MS in Information Technology, he actively explores emerging domains like blockchain and quantum computing to anticipate future threat models. Colleagues rely on him as the offensive-security contact for critical systems and for turning manual testing techniques into repeatable, platform-driven defenses.
8 years of coding experience
4 years of employment as a software developer
Bölüm Birinciliği, Bilişim Teknolojileri, Bölüm Birinciliği, Bilişim Teknolojileri at Haydar Akın Anadolu Teknik ve Meslek LisesiMaster of Science - MS, Information Technology, Master of Science - MS, Information Technology at Yıldız Teknik ÜniversitesiLisans Derecesi, Computer Engineering, High Honor Student, Lisans Derecesi, Computer Engineering, High Honor Student at Sakarya Üniversitesi
Turkish, English
Stackoverflow
707reputation
18kreached
39answers
3questions
Github Skills (45)
react8
android8
react-native7
javascript7
ios7
slp7
typescript7
scanning7
frontend7
html6
docx6
python6
jinja26
security6
markdown6
Programming languages (5)
Github contributions (5)
onurgule/SAU-Files
May 2018 - Jul 2021
Sakarya Universitesinde yaptigim ödevler
Contributions:18 commits, 14 pushes in 3 years 2 months
onurgule/Quantum-Computing
Mar 2020 - Apr 2020
Contributions:10 commits, 6 pushes, 1 branch in 16 days
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