SMARTBRAINS / FULL-TIME
Senior Dotnet Developer
Building production .NET systems remotely from Slovakia.
SYS.01 Banská Bystrica, Slovakia / Remote
I build complete systems across web, mobile, and embedded hardware. Driven by daily research and rapid prototyping, I turn complex technical challenges into robust, production-grade solutions.
I am an experienced senior software engineer. I do backend, frontend, and hardware development, and I design and create new hardware with fast prototyping.
I research every day, make hardware projects, and contribute to open-source software in the public domain. I am experienced in Microsoft technologies such as C# and .NET.
I also love Linux, scripting, server management, web design, web application development, mobile application design, and amateur radio as OM7TEK.
Roles spanning enterprise platforms, security, connected devices, and high-stakes product engineering.
SMARTBRAINS / FULL-TIME
Building production .NET systems remotely from Slovakia.
TIETOEVRY TECH SERVICES / FREELANCE
Developed APIs and integrations for a wood transportation platform with .NET 9, Azure Event Grid, Event Hubs, Entity Framework, and Azure SQL.
RWS GROUP / FREELANCE
Software and data engineering for globally distributed product systems.
DATAPAC / FREELANCE
Modern .NET and WinUI engineering for remote product delivery.
CERA / FREELANCE
.NET 7 product development in a fast-moving delivery environment.

MAKERS / FREELANCE
Vulnerability management and security engineering across software and database systems.
CODERAMA / FREELANCE
I started working as a self-employed senior software engineer and delivered many projects with CODERAMA.

CONTINENTAL / FULL-TIME
Developed C# and .NET software tools for database and corporate application migrations.

DEFTECH / FULL-TIME
Worked as a hardware and software engineer and research team specialist. The position was classified.

INLOOPX BY AVAST / FULL-TIME
Brought security enhancements to mobile payment terminals paired with credit card POS systems on the Windows Universal Platform, created Android applications for a customer in the US, and improved internal GitLab CI tools. I also worked with VR hardware including Epson Moverio and Microsoft HoloLens.
GLOBALLOGIC, FORMER REC GLOBAL / FULL-TIME
Worked on features for a time-critical industrial web application with an independent delivery approach. I also developed a mobile application prototype for Android and iOS tablets using Xamarin in the healthcare sector.
SOFTIP / FULL-TIME
Created a large cloud finance and accounting application with ASP.NET and SQL Server. Our team used Microsoft Azure services and virtual machines, and worked extensively on responsive behavior and cross-browser compatibility.

MADE / FULL-TIME
Developed a full desktop application in WPF using new patterns and approaches. I deployed microservices, worked with XAML and WPF, wrote SQL Server scripts, and delivered updates under pressure.
GAMO / PART-TIME
While studying at university, I sold a school project to Gamo. It used OpenCV for Optical Mark Recognition, barcode recognition, and OCR, helping universities process written tests from high-speed scanners and produce results and statistics.
Deep experience in Microsoft technologies, backed by Linux fluency and hands-on electronics.
Apart from being a developer, I spend much of my time creating IoT things. I follow hardware builders and spend a large amount of my free time exploring the latest advances in mobile and hardware development.
I am actively involved in the MeshCore decentralized network, and founded Integrac (amateur radio & RF hacking club) as well as the TEKK.EU Hackerspace community for hardware and software enthusiasts across Slovakia and Czechia.
I love HAM Radio (Amateur Radio), participating in contests, making radio connections, and connecting people around the world (callsign: OM7TEK). I am also a proud HAREC license holder.
MASTER'S DEGREE / INFORMATION TECHNOLOGY
Computer graphics, image and speech processing, cross-platform development, OpenCV, and Linux.
MCP.2015 Microsoft
COMMS.OPEN Have a difficult system to build?
Describe the system, the constraint, and what success looks like. I’ll reply directly.