Oleksii Holub
UAV Specialist at Open Source
Kyiv, Ukraine
Summary
🤩
Rockstar🎓
Top SchoolOleksii Holub (known online as Tyrrrz) is a Kyiv-based software engineer with 11 years of experience building and maintaining cross-platform .NET applications, CLI frameworks, and developer tools. He combines full‑stack GUI work (YouTubeDownloader, LightBulb) with deep backend and SDK contributions (sentry-dotnet, YoutubeExplode, CliWrap/CliFx), showing fluency in API design, nullable-reference migrations, and test automation. A pragmatic maintainer, he frequently refactors dependencies, improves test suites, and adds CI/test logging to keep ecosystems healthy. His projects range from popular developer utilities to niche productivity apps, and he even curates his tooling setup publicly (awesome-uses), hinting at a strong developer-community presence. Trained in electronics and computer science, he brings both low-level systems thinking and polished user-facing design to open-source and product work.
11 years of coding experience
10 years of employment as a software developer
Master's degree, Computer Science, Master's degree, Computer Science at National University of Life and Environmental SciencesIgor Sikorsky Kyiv Polytechnic Institute
English, Ukrainian, Japanese
Stackoverflow
2,551reputation
215kreached
23answers
3questions
linq
top-5%
Github Skills (45)
unit-testing10
javascript10
develop10
net-sdk10
software-design10
apidoc10
testing10
net10
nunit10
dotnet10
xunit10
ui-design10
netframework10
uid10
asp-net10
Programming languages (17)
Github contributions (5)
Tyrrrz/LightBulb
Jan 2017 - Jan 2023
Reduces eye strain by adjusting screen gamma based on the current time
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:22 releases, 12 reviews, 642 commits in 6 years 1 month
Contributions summary:Oleksii appears to be the primary developer of the project, contributing code to both the UI and the backend. They were responsible for initializing the project by adding the initial project files. They then implemented UI elements like a settings panel and the overall UI for the application. The commits show that the user also wrote code for changing screen temperature based on time.
sunsetcurrent-timeeye-strainstrainsunrise
Tyrrrz/YoutubeDownloader
Feb 2023 - Mar 2023
Downloads videos and playlists from YouTube
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:18 releases, 40 reviews, 15 commits in 25 days
Contributions summary:Oleksii primarily contributed to the user interface and application settings of the YouTube downloader application. Their work involved simplifying dialog buttons, implementing notifications for updates, and refactoring the code. The user also updated NuGet packages and replaced an external settings library, indicating a focus on maintaining and improving the application's codebase and dependencies.
downloaddownloaderdownloads-videosmp3mp4
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.