Alejandro Sanz
Senior Cybersecurity Penetration Tester
Dublin, Ireland
Summary
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Senior🎓
Top SchoolAlejandro Sanz is a Senior Cybersecurity Penetration Tester based in Dublin with nine years of hands-on experience bridging software engineering and application security. He progressed from software roles at CoverWallet into focused penetration testing at Fidelity Investments, now leading senior-level offensive security efforts. With a double degree in Computer Science and Mathematics and an Erasmus stint at AGH Kraków, he blends rigorous analytical thinking with pragmatic engineering. Alejandro is an active CTF player (SQLazo) and brings practical exploit development and web app hardening skills informed by both development and red-team perspectives. Outside work he’s as competitive in chess and basketball as he is in security challenges, a combination that sharpens strategic and tactical problem-solving.
9 years of coding experience
2 years of employment as a software developer
Double degree in Computer Science and Mathematics Mathematics and Computer Science, Double degree in Computer Science and Mathematics Mathematics and Computer Science at Universidad Autónoma de MadridErasmus Student Computer Science, Erasmus Student Computer Science at AGH University of Krakow
Spanish, English, German, Polish
Github Skills (19)
docker-image7
alpine-linux7
python5
ctf5
debugging4
profiling4
debian3
docker3
nginx3
datadog3
bots3
ruby3
apm2
distributed-tracing2
crawler2
Programming languages (6)
Github contributions (5)
rriol97/Adsoft
Feb 2017 - Jul 2019
Contributions:2 PRs, 14 pushes, 2 branches in 2 years 4 months
Jandrov/ctf-writeups
Sep 2020 - Oct 2020
Contributions:33 commits, 29 pushes, 1 branch in 1 month
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