Michal Válka
Staff Software Engineer at SentinelOne
Brno, Southeast, Czechia
Summary
🤩
Rockstar🎓
Top SchoolMichal Válka is a Staff Software Engineer based in Brno with about five years of professional experience building Java backends and desktop applications, now contributing to SentinelOne’s engineering efforts. He blends hands-on backend microservices work from his time at Gen™ with a strong security mindset forged through roles in secure code reviews, penetration testing, and fraud-detection rule development. Comfortable across Java, Python and JavaScript stacks, he moves between production engineering and defensive security practices, making him effective at shipping reliable, auditable systems. Michal’s early interest in programming and formal studies in information management underpin a pragmatic approach to problem solving, and he’s known for turning security insights into practical tooling and platform improvements.
5 years of coding experience
5 years of employment as a software developer
Master's degree, Information Management, Master's degree, Information Management at Brno University of TechnologyInformation Technology, Information Technology at SPŠEIT Purkyňova
English, Czech, German
Stackoverflow
21reputation
905reached
2answers
1question
Github Skills (52)
udp10
penetration-testing10
rce10
hacking10
zap10
proxy10
security10
tcp10
pentesting10
pentest10
vulnerability9
security-scanner9
ssl9
ssrf9
client-server9
Programming languages (3)
Github contributions (5)
Warxim/petep
Aug 2020 - Jan 2023
PETEP (PEnetration TEsting Proxy) is an open-source Java application for traffic analysis & modification using TCP/UDP proxies. PETEP is a useful tool for performing penetration tests of applications with various application protocols. ⚡
Contributions:9 releases, 19 commits, 2 PRs in 2 years 6 months
ethical-hackingethical-hacking-toolshackingtoolsmitmmitmproxy
Warxim/vucsa
Jun 2022 - Jan 2023
Vulnerable Client-Server Application (VuCSA) is made for learning how to perform penetration tests of non-http thick clients. It is written in Java (with JavaFX graphical user interface) and contains multiple challenges including SQL injection, RCE, XML vulnerabilities and more.
Contributions:2 releases, 7 commits, 7 pushes in 7 months
client-serverctfctf-challengesjavafxvulnerable-application
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