Ivan Šincek - Staff Offensive Security Engineer at <script>alert(1)</script>

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Ivan Šincek

Staff Offensive Security Engineer at <script>alert(1)</script>

Germany

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Summary

👤

Senior

🎓

Top School

Ivan Šincek is a Staff Offensive Security Engineer based in Germany with 8 years of hands-on experience in penetration testing, secure code review, and threat modeling across web, mobile, desktop, and blockchain applications. He has led security programs at scale—running bug bounty operations, sourcing third-party pentests, and building security champions and training curricula—while contributing security tooling and CI/CD automation. His background includes focused work on financial and blockchain platforms (including Binance) and early involvement in OIDC and DIDComm architectures, giving him deep expertise in identity and protocol-level risk. Ivan combines practical offensive techniques with secure design reviews (PASTA, STRIDE, DREAD) and a developer mindset from earlier full‑stack and mobile roles, which helps him bridge product and security teams effectively. An active bug hunter and open-source tinkerer, he often shares security code and methodologies developed in his spare time.

8 years of coding experience

5 years of employment as a software developer

Bachelor of Science in Information Technology, Computer Science, Bachelor of Science in Information Technology, Computer Science at Faculty of Organization and Informatics

English, Croatian, Chinese, German

Github Skills (88)

penetration-testing10

security10

pycurl10

bypass10

infosec10

in-progress10

reverse-shell10

http-response10

methodology10

android-hacking10

python-requests10

pentesting10

fuzzing10

kali-linux10

sensitive-data10

Programming languages (7)

PowerShellCJavaScriptGoPHPASP.NETPython

Github contributions (5)

ivan-sincek/send-tcp-payload

Jul 2020 - Apr 2023

Contributions:12 releases, 48 pushes, 1 branch in 2 years 9 months

ivan-sincek/chad

Mar 2023 - Mar 2023

Contributions:51 releases, 1 commit, 106 pushes in 1 day

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Ivan Šincek - Staff Offensive Security Engineer at <script>alert(1)</script>