Ron Sijm
Software Architect And Team Lead at Appical - the app for new hire success
Amsterdam, North Holland, Netherlands
Summary
🤩
Rockstar🎓
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.
9 years of coding experience
Minor, Minor at Info SupportBachelor’s Degree, Bachelor’s 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 (190)
linq10
entity-framework10
dotnet10
sdk10
reddit10
sql10
morse10
chess10
csharp10
event-trigger10
morse-code10
bunit9
mstest9
linux9
azure9
Programming languages (12)
Github contributions (5)
RonSijm/ButtFish
Sep 2022 - Jan 2023
Effortlessly transmitting Morse Code of chess moves to your butthole 💝
Contributions:4 releases, 4 reviews, 36 commits in 3 months
movesbuttplugmorse-codecsharpmorse
RonSijm/RonSijm.Blazyload
Mar 2023 - Mar 2025
Contributions:50 pushes, 3 branches, 8 comments in 2 years
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