RonĀ Sijm
Amsterdam, North Holland, Netherlands
Summary
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Rockstarš
Top SchoolRon Sijm is a software and system architect based in Amsterdam with over a decade of hands-on experience focused on C#/.NET and AWS. He brings 15+ years of domain expertise in designing scalable backend systems and cloud-native architectures, coupling practical engineering with system-level thinking. Educated at Hogeschool van Amsterdam with applied technical training from Horizon College and Info Support, he blends formal schooling with vocational strengths that favor pragmatic, maintainable solutions. Known for bridging developer needs and operational realities, he often surfaces non-obvious trade-offs between performance, cost, and maintainability when shaping architectures. Colleagues rely on him to translate complex requirements into clear, executable roadmaps and robust system designs.
10 years of coding experience
Minor, Minor at Info SupportBachelorās Degree, Bachelorās Degree at Hogeschool van AmsterdamMBO Niveau 3, MBO Niveau 3 at Horizon College
English, Dutch
Stackoverflow
8,598reputation
965kreached
123answers
12questions
linq
top-1%
multithreading
top-5%
sql
top-1%
entity-framework
top-1%
Github Skills (152)
linq10
entity-framework10
dotnet10
sql10
morse10
chess10
event-handler10
csharp10
morse-code10
bunit9
mstest9
sdk9
reddit9
nuget9
multithreading9
Programming languages (12)
Github contributions (5)
RonSijm/RonSijm
Oct 2020 - Feb 2026
Contributions:9 pushes, 1 branch in 5 years 5 months
RonSijm/RonSijm.Blazyload
Mar 2023 - Feb 2026
Effortless Blazor Lazy Loading and Dependency Injection
Contributions:59 pushes, 3 branches, 10 comments in 2 years 11 months
blazordependency-injectionlazy-loading
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