Maciej Grela
Senior Software Engineer at Samsung Electronics Polska
Warsaw, Masovian Voivodeship, Poland
Summary
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Rockstar🎓
Top SchoolMaciej Grela is a Senior Software Engineer and security specialist with 12+ years of hands-on experience across application, network and embedded security, currently driving engineering work at Samsung Electronics Polska. He blends deep Linux and systems administration expertise with practical pentesting skills—web, mobile, wireless and infrastructure—and a history of building SOC capabilities, automation tooling and threat-hunting workflows. Comfortable in low-level development (C/C++, microcontrollers, basic FPGA) as well as scripting and orchestration (Python, shell, Ansible, Docker), he routinely reverse-engineers protocols and product internals to close real-world security gaps. His background includes mentoring, sales enablement and public speaking on vulnerability research, reflecting both technical depth and strong communication. Notably, he has repeatedly moved between hands-on consulting roles and internal security platform building, demonstrating an ability to translate offensive research into operational, scalable defenses.
12 years of coding experience
13 years of employment as a software developer
M. Sc., Telecommunications, Multimedia, Electronics, M. Sc., Telecommunications, Multimedia, Electronics at Warsaw University of Technology
English, Polish, German
Github Skills (200)
penetration-testing10
lte10
bitbake10
python10
connectivity10
security10
ruby10
automation10
ssh10
buildroot10
infosec10
linux10
software-update10
ansible10
busybox10
Programming languages (16)
Github contributions (5)
mgrela/zygote
May 2017 - Dec 2017
Contributions:111 commits, 67 pushes, 1 branch in 7 months
enkiusz/mgrela.github.io
Apr 2021 - Feb 2025
Contributions:88 pushes, 1 branch in 3 years 11 months
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