Almar Klein
Freelance Software Engineer at Almar Klein Scientific Computing
Netherlands
Summary
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Rockstar🎓
Top SchoolAlmar Klein is a freelance software engineer and scientist with 17 years of experience building advanced data-analysis, imaging and visualization tools from the Netherlands. He blends deep academic expertise in medical imaging, segmentation and registration with hands-on systems work—shipping Python backends, WebAssembly and WebGPU integrations, and performant 3D/volume rendering front-ends. His open-source footprint spans notable projects like Trio (Windows async I/O), wgpu-native, Vispy, scikit-image and Plotly/three.js examples, reflecting contributions across async I/O, graphics, and image processing. Comfortable across the full stack, he repeatedly bridges low-level platform details (Windows I/O, GPU bind groups) with user-facing features (GUIs, WebGL/WebAssembly visualizers). He co-founded a scientific consultancy and has a track record of translating research prototypes into production-ready tools and developer-friendly libraries. Curious and pragmatic, he often reinvents small wheels to achieve clarity and performance rather than relying on heavy abstractions.
17 years of coding experience
3 years of employment as a software developer
Msc, Electrical Engineering, Msc, Electrical Engineering at University of TwenteVWO, VWO at Koninklijke Scholengemeenschap Apeldoorn
English, Dutch
Stackoverflow
21reputation
2kreached
1answer
0questions
Github Skills (87)
conda-build10
python10
package-management10
wp-api10
image-processing10
testing10
windows10
winapi10
cffi10
charting10
webgpu10
foreign10
ffi10
3d10
async-await10
Programming languages (20)
Github contributions (5)
imageio/imageio
May 2012 - Nov 2022
Python library for reading and writing image data
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7 releases, 195 reviews, 796 commits in 10 years 7 months
Contributions summary:Almar primarily contributed to the FreeImage plugin, which is a core component of the imageio library. Their work included implementing features, fixing bugs, and adding support for various image file formats like JPEG, PNG, GIF, and ICO. The user also improved the handling of metadata and optimized the image conversion process, particularly for 16-bit and 4-bpp images. Their changes involved modifications to several Python modules, demonstrating a focus on enhancing the library's image processing capabilities.
python-libraryopenexrimageiopythonimage
almarklein/timetagger
Dec 2020 - Dec 2022
Tag your time, get the insight
Role in this project:Back-end & Front-end Developer
Back-end & Front-end DeveloperContributions:55 releases, 23 reviews, 314 commits in 2 years
Contributions summary:Almar contributed to the core functionality and user interface of the timetagger application, developing features that allowed tagging time and gaining insights. They refactored the codebase to replace "projects" with "tags," indicating a shift in the application's core logic. The user also worked on the client-side dialogs, stores and overall design through implementing styling and other UI improvements. Furthermore, the user implemented the authentication workflow and added code that implements and refines the user-interface including the integration of the pomodoro feature.
pythontimetrackerget-time
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