Tomasz Pęczek

Information & Communications Technology

Kraków, Poland

Tomasz Pęczek

Software developer and passionate

Developer, blogger, speaker and open source author/contributor focused on Web Development in the context of ASP.NET (Core) platform. For more than 10 years he has been creating web applications for health care, banking or e-learning industries. Currently, he works at Oracle as an applications architect where his main areas of responsibility are web applications performance and security. Microsoft MVP in Visual Studio and Development Technologies category.

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Current sessions

Real-time capabilities in ASP.NET Core web applications beyond (or besides) SignalR

Today's users attention span is very short, so our applications need to be as real-time as possible. This talk wants to give you the tools to achieve that. As the title suggests, it's not about SignalR (it might be mentioned, but that's all). It will walk through native technologies like WebSockets, Server-Sent Events and Push API based notifications. It will show how to use them, compare them and suggest when to use which by exploring their strong and weak sides.


Duration: 45m - 1h

Previously given at/Will be given at:
- 4Developers 2018
- Dev# 2018


With great power comes great responsibility - using HTTP/2 responsibly

The Web is migrating to HTTP/2. It’s not a surprise as it brings new features and performance improvements. But every new technology should be approached with consideration. HTTP/2 is no different.

A lot has been written about new features in HTTP/2 and performance improvements it's bringing, so you have probably read some of it (don't worry if you didn't, there will be a brief recap). But we all know there is nothing for free in IT (and especially Web) world. There are no "no brainers" or "silver bullets". This talk focuses on what to consider to get the most out of HTTP/2 without hurting yourself or your users in the process.


Duration: 45m - 1h

Previously given at/Will be given at:
- DevConf PL 2018


Past and future events

DevConf 2018

"With great power comes great responsibility - using HTTP/2 responsibly"
26 Sep 2018 - 28 Sep 2018
Kraków, Poland

Dev# 2018

"Real-time capabilities in ASP.NET Core web applications beyond (or besides) SignalR"
21 Sep 2018 - 21 Sep 2018
Gdańsk, Poland

4Developers 2018

"Real-time capabilities in ASP.NET Core web applications beyond (or besides) SignalR"
9 Apr 2018 - 9 Apr 2018
Warsaw, Poland

4Developers 2014

"Bringing order into chaos – Patterns and JavaScript"

"Modern web server architecture in Microsoft Web Stack - Introduction to OWIN and Katana"
7 Apr 2014 - 8 Apr 2014
Warsaw, Poland

4Developers 2013

"Better asynchronous code in JavaScript with jQuery and 'Deferred' pattern"
12 Apr 2013 - 12 Apr 2013
Warsaw, Poland

Microsoft Technology Summit 2010

"Rich user interface in ASP.NET MVC applications with jQuery plugins"
5 Oct 2010 - 6 Oct 2010
Warsaw, Poland