Sebastian Sejud
Senior Dotnet Developer at Sebastian Sejud IT
Krakow, Lesser Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolSebastian Sejud is a Senior .NET developer based in Krakow with 11 years of experience building desktop and mobile applications using C#, WPF, WinForms, UWP and Xamarin. He has progressed from C++/MFC CAD and trading-app work to architecting core application frameworks and leading teams, bringing both low-level systems thinking and pragmatic UI engineering. Sebastian has a track record delivering mobile solutions and test automation for enterprise clients (Motorola, Capgemini, GlobalLogic) and now runs his own consultancy focused on .NET ecosystems. Known for mentoring developers and shaping application architecture, he combines strong engineering fundamentals from a Computer Engineering degree with hands-on expertise across the Microsoft stack. Colleagues value his ability to move between legacy codebases and modern Xamarin/.NET projects, accelerating delivery while keeping code quality high.
11 years of coding experience
16 years of employment as a software developer
Bachelor of Engineering (B.Eng.) Computer Engineering, Bachelor of Engineering (B.Eng.) Computer Engineering at The School of Banking and Management in Krakow
English, Polish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (42)
monogame10
csharp10
openal9
dotnet9
cross-platform9
xna9
linux9
3d9
tmx9
game-development9
windows8
game-engine8
simulations7
open-source7
fltk7
Programming languages (1)
Github contributions (5)
SitanaTeam/Sitana
Jan 2015 - Sep 2016
Contributions:106 PRs, 233 pushes, 2 branches in 1 year 8 months
gamesgamedevmonogameframeworkgame-development
ebatianoSoftware/CrossX
Sep 2021 - May 2022
Cross platform Graphics library for games and simulations
Contributions:74 commits, 35 PRs, 274 pushes in 8 months
gamesgraphics-librarysimulations2dopengl
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.