Vitezslav Lindovsky
Freelance Backend Developer at Vítězslav Lindovský
Budapest, Central Hungary, Czechia
Summary
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SeniorVitezslav Lindovsky is a freelance backend developer and security engineer with over a decade of hands-on experience building PHP and Go systems, tuning databases, and hardening Linux-based infrastructure. He started in web development and security in 2005, freelancing since 2011 and later working in Dublin before moving into full-time security work in 2022, including managing a HackerOne bug bounty program. His career blends greenfield API and large-database work with practical vulnerability hunting—finding and fixing SQLi, RCE, IDOR, mass-assignment and information-leak issues across clients. He builds data-collection and DNS-focused projects to surface security risks and increasingly prefers Golang for new tooling. Based in Budapest with roots in Czechia, he combines pragmatic backend engineering with a security-first mindset that surfaces problems most teams only discover after a breach.
9 years of coding experience
11 years of employment as a software developer
English, Czech
Stackoverflow
41reputation
17kreached
2answers
0questions
Github Skills (32)
tld10
whois9
phpstorm9
php-library8
uri8
domain-name8
lists7
header-files7
php7
composer7
pentesting6
google-chrome6
push-api6
push-notifications6
webpush6
Programming languages (4)
Github contributions (5)
vitezslav-lindovsky/domains
Jun 2019 - Mar 2025
Unofficial and incomplete lists of various domain names
Contributions:12 pushes, 1 branch in 5 years 10 months
phpliststlddomaindomain-names
unsecured-company/nsec3walker
Jan 2025 - Mar 2025
NSEC3 Zone Walker
Contributions:11 releases, 2 reviews, 2 PRs in 2 months
nsec3nsec3-enumerationnsec3-mappingnsec3-walking
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