Christian Kratky
Principal Software Engineer, at prodot - Software für Marktführer
Kamp-Lintfort, North Rhine-Westphalia, Germany
Summary
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Rockstar🎓
Top SchoolChristian Kratky is a Principal Software Engineer based in Kamp-Lintfort, Germany, with 11 years of hands-on experience building backend systems and mentoring teams at prodot. He specializes in high-performance .NET services and has contributed core MQTT v5 features to the popular MQTTnet library, demonstrating deep protocol-level expertise in message encoding, session persistence, and QoS handling. Progressing from apprentice to principal within the same company, he combines practical delivery experience with a formal B.Sc. in Wirtschaftsinformatik. Known for tackling protocol and broker internals, he brings a pragmatic, systems-focused approach to designing reliable communication infrastructure.
11 years of coding experience
13 years of employment as a software developer
Bachelor of Science (B.Sc.), Wirtschaftsinformatik, 1,6, Bachelor of Science (B.Sc.), Wirtschaftsinformatik, 1,6 at FOM Hochschule für Oekonomie & Management
German, English
Stackoverflow
92reputation
6kreached
5answers
2questions
Github Skills (22)
mqtt-protocol10
back-end-development10
mqtt10
net10
dotnet10
packet10
implement10
mqttnet10
asp-net10
dotnet-core10
protocols10
csharp10
network-protocol9
message-broker9
raspberry-pi6
Programming languages (6)
Github contributions (5)
dotnet/MQTTnet
Mar 2017 - Jan 2023
MQTTnet is a high performance .NET library for MQTT based communication. It provides a MQTT client and a MQTT server (broker). The implementation is based on the documentation from http://mqtt.org/.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:77 releases, 182 reviews, 1337 commits in 5 years 11 months
Contributions summary:Christian's commits primarily focus on adding support for MQTT v5 features and protocol enhancements to the MQTTnet library. This includes implementing new features such as session persistence, user properties, and handling different quality of service levels in the server. The code changes involve modifications to packet encoding, decoding, and message handling, demonstrating a strong understanding of the MQTT protocol specifications and back-end development. The user contributed to the core functionality of the MQTT broker.
net-librarymqtt-servernetframeworkmqttnetiot-platform
chkr1011/Wirehome.Core
Jun 2018 - Dec 2022
Contributions:10 releases, 398 commits, 4 PRs in 4 years 6 months
pythonsensorshome-automation-systemhome-automationraspberry-pi
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