Štefan Lazový
Senior Software Engineer at IstroSec
Bratislava, Region of Bratislava, Slovakia
Summary
👤
Senior🎓
Top SchoolŠtefan Lazový is a Senior Software Engineer based in Bratislava with 14 years of experience specializing in cybersecurity product development, reverse engineering, and driver/filter-driver implementation. He blends low-level systems expertise with a passion for performance—often focused on optimizing code paths in security-critical components. Štefan has commercial and consulting experience at firms like IstroSec, LIFARS and ESET, and several years as a self-employed engineer delivering practical, production-ready solutions. He is also an active back-end contributor to large open-source MMO projects such as TrinityCore and SkyFireEMU, demonstrating deep C++ game-server and protocol-level knowledge. That combination of security-focused systems programming and hands-on open-source work makes him adept at diagnosing tricky bugs and hardening complex codebases. Colleagues would describe him as a methodical engineer who prefers elegant, efficient implementations over quick fixes.
14 years of coding experience
7 years of employment as a software developer
Master's degree, Computer Science, Master's degree, Computer Science at Faculty of Informatics and Information Technologies, Slovak University of Technology
Github Skills (15)
trinitycore10
mmo10
c-language10
game-development10
backend10
multiplayer10
cprogramming-language10
back-end-development10
world-of-warcraft10
multiplayer-game10
logic10
emulation9
computer-engineering8
git7
linux7
Programming languages (5)
Github contributions (5)
ProjectSkyfire/SkyFire_548
Aug 2012 - Aug 2014
SkyFireEMU is a full featured World of Warcraft: Mists of Pandaria emulator written in C++. || Compatible with World of Warcraft client 5.4.8 (Build: 18414) Project Established in 2011 || Support on Discord https://discord.gg/DnKZycD
Role in this project:
Back-end Developer
Back-end DeveloperContributions:206 commits, 1 comment in 2 years
Contributions summary:Štefan primarily contributed to the back-end functionality of the World of Warcraft: Mists of Pandaria emulator, SkyFireEMU. Their work focused on implementing game mechanics and correcting existing code. Specifically, the user updated critical healing calculations to align with Cataclysm, refactored totem functionality to reflect changes in the game's mechanics, and fixed group invite messages and battleground functionality.
full-featuredemulatorcpppandariatrinitycore
TrinityCore/TrinityCore
Aug 2012 - Oct 2017
TrinityCore Open Source MMO Framework (master = 11.1.0.59888, 3.3.5 = 3.3.5a.12340, cata classic = 4.4.1.59069)
Role in this project:Back-end Developer
Back-end DeveloperContributions:12 commits, 1 PR, 4 comments in 5 years 2 months
Contributions summary:Štefan primarily contributed to the back-end of the TrinityCore MMO framework. Their commits involved fixing game logic issues, specifically related to spells, totems, and group invites. They also made changes to battleground-related code, including status packet building and PvP log data, and implemented guild news and guild rewards tab functionalities. Furthermore, the user performed codestyle changes and fixed compile errors.
trinitycoreazerothcorelinuxmastermmo-framework
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