Karol Rogowski
Head of Engineering at SoftwareHut
Białystok, Poland
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Working in IT since 2009. Currently working as Head of Engineering at SoftwareHut and as an academic teacher at Białystok Technical University. Co-founder of meet.js Białystok. Book and articles author. Father, husband, huge H.P. Lovecraft fan and terrible poker player.
Area of Expertise
Topics
Semantic Kernel and C# for AI Applications
Bringing AI into your .NET projects is easier than you think. Semantic Kernel is an open-source library that helps you connect your C# applications with large language models, orchestrate AI skills, and integrate them into real workflows. In this session, we’ll walk through the basics of the library, explore practical use cases, and see how to combine AI capabilities with your existing .NET code. You’ll leave ready to start building smarter, more interactive applications powered by AI.
Don’t shoot yourself in the foot.
Are you planning to interview for a new position? Have you ever taken an interview for that perfect job, only to be left wondering what held you back?
Over the years of conducting my fair share of tech-job interviews, I have compiled my own set of insider conclusions about tech-interview mistakes. I’m not talking about mistakes in technical knowledge, but about other commonly overlooked job interview elements.
This is not just a revealing presentation of the mistakes I have noticed. This is an invitation to discourse! Come to share interview experiences, burning hiring questions, and your own opinions.
Duration 30-40min + QA
LINQ - The good part
LINQ has changed the way we develop applications. It was a revolutionary change for .NET developers. In this presentation, I want to talk about the benefits brought to us by LINQ. There will be no drama, no "battlefield stories", just talk about LINQ’s good parts... and a few not so good.
Minimal API - tool for the job
Minimal API is a powerful tool for developers looking to build lightweight and efficient web applications. Unlike traditional web frameworks that can be cumbersome and difficult to work with, Minimal API streamlines the development process by providing a simple, yet effective, interface for creating RESTful APIs. With Minimal API, developers can easily define routes, handle HTTP requests and responses, and implement middleware with just a few lines of code. This results in faster development times, improved performance, and reduced complexity. Whether you're building a small application or a large-scale API, Minimal API is the perfect tool for the job.
Tailor Made Architecture
One-size-fits-all architecture rarely works. This session focuses on how to design architectures that truly support business goals. We’ll start by looking at how to identify and prioritize Business Drivers, then show how Impact Mapping helps connect those drivers to real, measurable outcomes. We’ll also discuss Architectural Drivers and how they influence key design decisions, supported by practical examples of visualizing systems using the C4 model. Finally, we’ll touch on risk assessment—how to make informed trade‑offs between innovation and stability. By the end, participants will have a clear, practical view of how to design adaptable, resilient
How Do You Eat an Elephant? An Architecture Modernization Story.
Modernizing legacy systems is rarely just a technical challenge—it’s often about whether an organization can keep moving forward at all. We’ve seen this firsthand, from a Swiss financial firm with a core platform that had become a fragile black box, to a 27‑year‑old factory system running non‑stop, where changes felt risky and knowledge lived in just one head.
Different industries, same pattern—and the same lesson: don’t try to do everything at once. We broke modernization into small, safer steps, started by understanding what really mattered to the business, and made sure each step delivered something tangible.
This talk isn’t about shiny tech or buzzwords. It’s about the human and business side of modernization—reducing risk, keeping teams on board, and rebuilding trust in systems that absolutely cannot fail. Expect practical lessons, honest war stories, and yes, even a surprise Tweety Bird cameo.
Machine Learning in .NET - first steps
Machine learning doesn’t have to live only in Python notebooks. With ML.NET, you can bring custom AI capabilities directly into your .NET and C# applications—no data science PhD required. In this session, we’ll explore the essentials of getting started: from preparing data, training your first model, to making real predictions in your app. Whether you’re a seasoned .NET developer or just curious about AI, you’ll leave with the tools and confidence to start experimenting with ML in your own projects.
Archifridays User group Sessionize Event Upcoming
4 Developers 2025
Minimal API - tool for the job
Minimal API is a powerful tool for developers looking to build lightweight and efficient web applications. Unlike traditional web frameworks that can be cumbersome and difficult to work with, Minimal API streamlines the development process by providing a simple, yet effective, interface for creating RESTful APIs. With Minimal API, developers can easily define routes, handle HTTP requests and responses, and implement middleware with just a few lines of code. This results in faster development times, improved performance, and reduced complexity. Whether you're building a small application or a large-scale API, Minimal API is the perfect tool for the job.
API World 2024 Sessionize Event
Meet.js
Tailor Made Architecture
Go Security
Don’t shoot yourself in the foot
Grupa Sympatyków MS
Tailor Made Architecture
DeveloperWeek Global 2024 Sessionize Event
Developer Week Global 2024
Minimal API - tool for the job
WDI 2024
Don’t shoot yourself in the foot. Session
4Developers Poznań 2023
Minimal API - tool for the job
DevJSSummit 2023
Just do it
WeAreDevelopers Live 2023 (Season 5) Sessionize Event
ProMEET#41
Just do IT
Warszawskie Dni Informatyki 2023
JS and the kids not loved
BoilingFrogs
Don’t shoot yourself in the foot.
4Developers Poznań 2022
Just do it
4Developers Łódź 20222
LINQ - The good part
CodeFrenzy 2022
Just do it
DevJSSummit 2022
The victory has defeated you
ProMEET#38
The victory has defeated you
IT Future 2022
Clean Architecture with ASP.NET Core
4Developers Warszawa 2021
Clean Architecture with ASP.NET Core
ProMEET#33
Don't shoot yourself in the foot
DevJSSummit 2021
Don’t shoot yourself in the foot.
4Developers Warszawa 2020
Make c# objective again
.NET Developers Days 2018
Make c# objective again
Code Europe Warszawa 2017
Underscore 4 the win
KARIERA IT Białystok
(Almost) Objective JS
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