Roger Kratz
Senior System Developer at Teleopti
Stockholm, Sweden
Summary
🤩
Rockstar🎓
Top SchoolRoger Kratz is a Senior System Developer based in Stockholm with 15 years of hands-on experience building and hardening backend systems. He has a long tenure at Teleopti and prior experience as a developer and cofounder, evidencing both product-focused engineering and entrepreneurial initiative. Roger contributes to notable .NET open-source projects such as Autofac and NHibernate, where he has improved test coverage, fixed subtle lifecycle and ORM bugs, and optimized performance—an indication of his attention to correctness and reliability. Comfortable across development and QA/test automation roles, he blends deep debugging skill with pragmatic engineering to keep complex systems stable in production.
15 years of coding experience
8 years of employment as a software developer
Te, Te at KTH Royal Institute of Technology
Stackoverflow
1,952reputation
77kreached
82answers
5questions
nhibernate
top-5%
Github Skills (22)
unit-testing10
debug10
testing10
net10
nunit10
dotnet10
asp-net10
orm10
autofac10
dotnet-core10
csharp10
nhibernate10
dependency-injection10
linq9
netcore8
Programming languages (3)
Github contributions (5)
nhibernate/nhibernate-core
Oct 2011 - Feb 2021
NHibernate Object Relational Mapper
Role in this project:
Back-end Developer & QA Engineer/Test Automation Engineer
Back-end Developer & QA Engineer/Test Automation EngineerContributions:11 commits, 6 PRs, 2 pushes in 9 years 6 months
Contributions summary:Roger primarily contributed to the NHibernate core by implementing and testing bug fixes, addressing specific issues identified in the bug tracker (NH-XXXX). Their work included writing test cases using NUnit and SharpTestsEx to ensure the correct behavior of the ORM, focusing on areas like proxy initialization, collection handling during merges, and composite key support. The commits demonstrate a focus on maintaining the stability and correctness of NHibernate, ensuring it functions as expected.
poconhibernate-developersc-sharplinqorm
autofac/Autofac
Sep 2015 - Oct 2021
An addictive .NET IoC container
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:3 reviews, 5 commits, 4 PRs in 6 years 2 months
Contributions summary:Roger primarily contributed to enhancing the testing framework within the Autofac project. Their work involved writing and modifying tests to address specific issues related to component lifecycle events, particularly around `ReplaceInstance` and `OnRelease` scenarios. They added new test cases to ensure the correct behavior of the IoC container in various situations, and fixed naming and moved tests to different files. Additionally, the user also optimized code for performance.
dotnetnetstandardiocdependency-injectionc-sharp
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