Daniel Weber
Senior Software Engineer at ExRam Innovations GmbH
Berlin, Germany
Summary
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Rockstar🎓
Top SchoolDaniel Weber is a Senior Software Engineer based in Berlin with 12 years of experience building and optimizing .NET back-end systems. At ExRam Innovations he focuses on maintainable, high-performance code and has a proven track record contributing to prominent open-source projects like MvvmCross, Apache TinkerPop, Mono, and Reactive Extensions. His work spans refactoring IoC containers, enhancing GraphSON serialization, hardening runtime behaviors and unit tests, and reducing allocations in reactive operators—demonstrating both deep protocol-level knowledge and pragmatic performance engineering. A Diplom-Informatik graduate from RWTH Aachen, he combines rigorous academic training with long-term hands-on experience, and often surfaces subtle correctness and timing fixes that improve developer ergonomics and runtime reliability.
12 years of coding experience
Diplom, Informatik, 1,2, Diplom, Informatik, 1,2 at RWTH Aachen University
Stackoverflow
1,011reputation
93kreached
25answers
5questions
asynchronous
top-5%
Github Skills (42)
asynchronous10
unit-testing10
serializable10
gremlin10
serializer10
multithreading10
async10
testing10
net10
dotnet-new10
dotnet10
resource-management10
mvvm10
graph-database10
netframework10
Programming languages (12)
Github contributions (5)
dotnet/reactive
Apr 2014 - Apr 2022
The Reactive Extensions for .NET
Role in this project:
Back-end Developer & Performance Engineer
Back-end Developer & Performance EngineerContributions:2 reviews, 309 commits, 400 PRs in 8 years 1 month
Contributions summary:Daniel primarily focused on optimizing the Reactive Extensions for .NET library, specifically improving resource management and performance. Their contributions involved identifying and fixing issues related to premature or delayed disposal of resources within asynchronous enumerators, ensuring that resources are freed as soon as possible. They added overloads and tests to optimize the system and reduce allocations to improve overall performance and reduce memory usage in the library. Furthermore, they worked on optimizing specific operators, such as Merge and SelectMany, to reduce closure allocations and leverage delegate caching, along with adding unit tests for these operators.
dotnetreactive-extensionsreactive-programmingc-sharpcsharp
MvvmCross/MvvmCross
Feb 2014 - Apr 2015
The .NET MVVM framework for cross-platform solutions, including Android, iOS, MacCatalyst, macOS, tvOS, WPF, WinUI
Role in this project:Back-end Developer
Back-end DeveloperContributions:19 commits, 1 PR, 1 comment in 1 year 2 months
Contributions summary:Daniel primarily focused on enhancing the core functionality and maintainability of the MvvmCross framework. Their work included refactoring the IoC container by adding overloads for registering types with constructors and improving the internal structure. Additionally, they introduced methods for file operations, such as reading and writing files, providing more flexibility for the framework's file handling capabilities. These changes demonstrate a focus on improving the framework's extensibility and ease of use for developers.
maccatalystmvvmmauimvxc-sharp
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