Koen Bolhuis
Software Engineer at Ultraware BV
Netherlands
Summary
👤
Senior🎓
Top SchoolKoen Bolhuis is a pragmatic software engineer with 11 years of experience building backend systems, DevOps pipelines and MLOps platforms from concept to production. He holds a cum laude MSc in Software Engineering and Distributed Systems and combines strong academic rigor with hands-on delivery—evidenced by a published catalog of IaC cost (anti)patterns and linters developed during his master’s research. Koen has driven integrations between platforms and GitLab, modernized CI/CD and Argo CD deployments, and managed multi-environment Kubernetes fleets to make AI tooling reliable and user-friendly. He moves fluently between backend engineering, infrastructure automation and developer UX improvements (e.g., 5x UI resource-loading speedups and realtime pipeline status via WebSockets). Based in the Netherlands, he’s a fast learner with a wide range of interests, from biomedical annotation tools to game development, bringing curiosity and practical impact to every project.
11 years of coding experience
5 years of employment as a software developer
Master of Science (MSc), Software Science, 8.6/10, Master of Science (MSc), Software Science, 8.6/10 at Radboud UniversityMaster of Science (MSc), Software Engineering and Distributed Systems, 9.0/10 (Cum Laude), Master of Science (MSc), Software Engineering and Distributed Systems, 9.0/10 (Cum Laude) at University of GroningenGymnasium, Natuur en Techniek, Natuur en Gezondheid, 7.6/10, Gymnasium, Natuur en Techniek, Natuur en Gezondheid, 7.6/10 at Esdal College
Dutch, English, German
Stackoverflow
390reputation
27kreached
3answers
5questions
Github Skills (120)
cms10
authentication10
terraform10
gcp10
markdown10
static-analysis10
aws-security10
linux10
api10
jwt10
site-generator10
azure10
rust10
music10
build-time10
Programming languages (10)
Github contributions (5)
InputUsername/listenbrainz-rs
Jan 2021 - Jan 2023
ListenBrainz API bindings for Rust
Contributions:12 releases, 42 reviews, 97 commits in 2 years
apiapi-wrapperrustapi-bindingspyo3
InputUsername/whiteboard
Jun 2015 - Aug 2020
Collaborative whiteboard webapp
Contributions:1 release, 87 commits, 67 pushes in 5 years 2 months
whiteboardwebappcollaborativewebsockets
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