Maarten Hoogendoorn
Team Lead Services Engineering Squad at ParagonERP
Randstad, Netherlands
Summary
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Rockstar🎓
Top SchoolMaarten Hoogendoorn is a pragmatic engineering leader with 16 years' experience building and operating cloud-native systems, currently leading the Services Engineering Squad at ParagonERP and running his own consultancy. He blends hands-on DevOps and backend skills—Terraform, Azure/AWS, Prometheus/Grafana—with full-stack experience in Ruby on Rails and systems programming, and has contributed to notable open-source projects like NixOps and the Refinery CMS. Maarten has a research-focused CS background (VU Amsterdam) and a taste for formal methods and functional programming, which informs his disciplined approach to reliable infrastructure and testing. He’s comfortable moving between incident response, architecture decisions and developer mentoring, and has repeatedly delivered low-downtime cloud migrations and pragmatic anti-DDoS designs on tight budgets. An uncommon strength is combining academic rigor (concurrency/formal methods) with production pragmatism—evident in contributions from contextionary work at Weaviate to custom event handling in rust-sdl2.
16 years of coding experience
7 years of employment as a software developer
Research master Computer Science Foundations of Computing & Concurrency track Computer Science, Research master Computer Science Foundations of Computing & Concurrency track Computer Science at Vrije Universiteit Amsterdam (VU Amsterdam)Atheneum Natuur & Techniek, Atheneum Natuur & Techniek at Minkema College
Dutch, English
Stackoverflow
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0reached
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Github Skills (47)
route5310
kubernetes10
docker10
event-handling10
amazon-ecs10
nix10
python10
sdl10
i18n-node10
testing10
rails10
cloud-infrastructure10
dockers10
cicd10
localization10
Programming languages (17)
Github contributions (5)
microservices-demo/microservices-demo
Oct 2016 - Jan 2017
Deployment scripts & config for Sock Shop
Role in this project:
DevOps Engineer
DevOps EngineerContributions:68 commits, 23 PRs, 34 pushes in 3 months
Contributions summary:Maarten focused on improving the deployment and documentation processes for the Sock Shop microservices demo. Their contributions include setting up and documenting AWS ECS deployment, adding Jekyll for documentation, and fixing CSS paths. Furthermore, they implemented and refined the local server setup with Docker, enhancing the development workflow. The user also integrated Travis CI for automated testing, ensuring consistent builds and deployments.
golangecsspring-bootsockdeployment
weaviate/weaviate
Jul 2018 - Dec 2018
Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database.
Role in this project:Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:285 commits, 34 PRs, 133 pushes in 4 months
Contributions summary:Maarten's contributions primarily focus on the development and maintenance of the Weaviate codebase, specifically related to the contextionary library. They added the Contextionary Library and implemented a demo data import. They also updated the code and dependencies to be compatible with the latest versions of go-swagger. In addition to development, they seem to work on the development environment with commits related to Docker and running the test suite.
approximate-nearest-neighbor-searchsemantic-search-enginehnswfaultsimilarity-search
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