Brandon Martinez
Software Engineer
Chicago, Illinois, United States
Summary
👤
SeniorBrandon Martinez is a Software Engineer based in Chicago with 11 years of experience building high-scale systems and writing production Go. He combines practical engineering with a strong interest in both defensive and offensive security, bridging reliability and threat-aware design. Known to the open-source community as 0x4445565a, he brings a hacker mindset—curious, unconventional, and focused on resilient implementations. Comfortable operating across backend services and security tooling, he tends to favor pragmatic solutions that scale while anticipating adversarial scenarios.
11 years of coding experience
English, php, go
Github Skills (71)
end-to-end-encryption10
pgp10
chat10
client-library10
keybase10
service-client10
data-api10
react10
golang9
youtube-api9
directories9
analytics-api9
react-native9
youtube-data-api9
youtube-analytics9
Programming languages (6)
Github contributions (5)
0x4445565A/portanoia
Dec 2016 - Mar 2021
A tool that sets a honeypot port and runs a command against every IP that connects to it.
Contributions:1 release, 21 commits, 1 PR in 4 years 4 months
security-toolsdnsbugbountysecurityruns
0x4445565A/0x4445565A.github.io
Aug 2016 - Jun 2023
Contributions:142 pushes, 5 branches in 6 years 11 months
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