Oskar Dudycz
Independent Software Architect And Consultant at Architecture Weekly
Lower Silesian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolOskar Dudycz is a pragmatic software architect and technical leader with 11+ years building event-driven, distributed systems and developer tools, currently running Architecture Weekly and consulting through Event-Driven.io. He combines hands-on coding (notably as co-maintainer of the popular Marten .NET document DB/event store and author of EventSourcing.NetCore tutorials) with team leadership—designing multi-region, multi-tenant AWS and Kafka-based solutions and mentoring engineering teams. His expertise spans Event Sourcing, CQRS, .NET ecosystems and pragmatic architecture patterns, and he frequently translates complex concepts into practical workshops and conference talks. A longtime OSS practitioner and developer advocate, he also brings a curious, cross-disciplinary perspective shaped by early-career BI and machine-vision projects and a surprising affinity for retro hardware as an Amiga 500 owner.
11 years of coding experience
13 years of employment as a software developer
Master’s Degree, Computer Science, Master’s Degree, Computer Science at Wrocław University of Science and TechnologyProject Management, Project Management at Wrocławska Akademia Biznesu - Filia Akademii Techniczno-Artystycznej
English, Polish
Stackoverflow
350reputation
5kreached
6answers
0questions
Github Skills (24)
asynchronous10
postgresql10
cqrs10
async10
amazon-elasticsearch10
net10
kafka10
dotnet10
event-sourcing10
asp-net10
elasticsearchquery10
aws-elasticsearch10
netcore10
elasticsearch10
marten10
Programming languages (15)
Github contributions (5)
oskardudycz/EventSourcing.NetCore
Jan 2017 - Jan 2023
Examples and Tutorials of Event Sourcing in .NET
Role in this project:
Back-end Developer & Software Architect
Back-end Developer & Software ArchitectContributions:49 releases, 64 reviews, 774 commits in 6 years
Contributions summary:Oskar focused on enhancing the event sourcing capabilities of the .NET Core project, refactoring the event store, and extending core functionalities. They implemented stream aggregation features, and added end-to-end flows with Kafka and Elastic Search, showing a deep understanding of event-driven architecture, CQRS, and data persistence strategies. Moreover, the user made significant architectural decisions by refactoring the workshop exercise structure, indicating architectural competence.
eventstoredotnetmartendddevent-sourcing
JasperFx/marten
Aug 2017 - Jan 2023
.NET Transactional Document DB and Event Store on PostgreSQL
Role in this project:Back-end Developer
Back-end DeveloperContributions:41 releases, 284 reviews, 510 commits in 5 years 6 months
Contributions summary:Oskar's contributions primarily involve enhancing the functionality of the .NET-based transactional document database and event store on PostgreSQL. They have made significant changes to the `ViewProjection` class to allow asynchronous handling, including the addition of `ApplyAsync` and support for running async methods synchronously. Additionally, the user added tests for the asynchronous event projection handling and implemented `NoSynchronizationContextScope` to prevent deadlocks in the `ViewProjection` method.
dotnetmartenevent-sourcingtransactionalsql
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