Sander Ploegsma
Software Designer at SKA Observatory
Netherlands
Summary
🤩
Rockstar🎓
Top SchoolSander Ploegsma is a software designer with 11 years of experience building robust back-end systems and pragmatic full-stack solutions across cloud-native, serverless and streaming platforms. He has delivered production software for high-stakes domains—from ASML metrology and bol.com’s Apache Flink pipelines to the SKA radio telescope Central Signal Processor—bringing a focus on data quality, fault-tolerance and end-to-end ownership. Comfortable learning new stacks, he repeatedly chooses the right tool for the job (C#, Java, Go, Kotlin, Typescript) and has hands-on experience with Kubernetes, Terraform, OpenAPI and major clouds. He thrives in small, collaborative teams that push for excellence and enjoys improving developer experience and learning platforms, evidenced by contributions to Exercism’s C# track. Based in the Netherlands, he balances technical depth with a practical, people-centered approach and a personal interest in functional programming and code puzzles.
11 years of coding experience
11 years of employment as a software developer
High School, High School at Lorentz Casimir LyceumHBO-ICT, HBO-ICT at Fontys Hogeschool EindhovenBachelor's Degree, Computer Science, Bachelor's Degree, Computer Science at Delft University of Technology
English, Dutch
Stackoverflow
1,183reputation
45kreached
14answers
18questions
Github Skills (17)
unit-testing10
develop10
netframework10
dotnet-core10
developper10
csharp10
refactor9
refactoring9
datadog6
flowtype6
macos6
android-emulator6
android6
flow-typed6
docker6
Programming languages (21)
Github contributions (5)
exercism/csharp
Oct 2021 - Oct 2021
Exercism exercises in C#.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:3 reviews, 5 commits, 4 PRs in 1 day
Contributions summary:Sander primarily contributed to the C# Exercism track by addressing issues and enhancing existing exercises. Their work involved refactoring and updating code related to "football-match-reports" and "calculator-conundrum" exercises. They moved code between files, revised exercise tasks, added missing test cases, and fixed exemplar implementations, demonstrating a focus on improving code quality and user experience within the learning platform. They also contributed by renaming method names to match the exercise instructions.
exercismcsharpexercism-exercisesexercism-trackcommunity-contributions-paused
sanderploegsma/kubectl-snap
Mar 2023 - Mar 2025
Delete half of the pods in a Kubernetes cluster or namespace
Contributions:1 release, 13 PRs, 27 pushes in 2 years
kubectl-pluginkubectl-pluginskubernetes
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