Christer Vasseng
Chief R&D Officer at Highsoft AS
Vestland, Norway
Summary
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Rockstar🎓
Top SchoolChrister Vasseng is a seasoned software leader and Chief R&D Officer at Highsoft with 13 years of hands-on experience spanning game consoles to web platforms. He rose through engineering and CTO roles at Highsoft after co-founding two startups, bringing a pragmatic blend of product-minded architecture and low-level performance optimization. Notably, he has contributed advanced WebGL and GLSL-based rendering improvements to the widely used Highcharts library and built performance and stability enhancements for its Node export server. Based in Vestland, Norway, he pairs a game-development background with full-stack expertise to solve demanding rendering and scalability challenges. Colleagues benefit from his history of shipping production-grade systems and squeezing performance out of both browser and server pipelines.
13 years of coding experience
15 years of employment as a software developer
Bachelor Game and multimedia programming, Bachelor Game and multimedia programming at Høgskolen i Hedmark
English, Norwegian
Github Skills (14)
webgl10
build-script10
javascript10
svg10
glsl10
chartjs10
performance-optimization10
phantomjs10
charting10
charts10
graphics-programming9
html9
nodejs9
css7
Programming languages (4)
Github contributions (5)
highcharts/node-export-server
Sep 2016 - Dec 2022
Highcharts Node.js export server
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:5 releases, 24 reviews, 359 commits in 6 years 3 months
Contributions summary:Christer implemented a build script to inject CDN dependencies into the export template, enabling the export server to dynamically include Highcharts libraries. They implemented instance pooling of PhantomJS instances to improve performance and implemented various stability fixes. The user also added support for SVG output and fixed numerous issues related to chart scaling and output, as well as added several command line arguments to expand functionality.
highchartsnodejs
highcharts/highcharts
Sep 2016 - Jan 2023
Highcharts JS, the JavaScript charting framework
Role in this project:Front-end Developer
Front-end DeveloperContributions:7 reviews, 325 commits, 43 PRs in 6 years 5 months
Contributions summary:Christer implemented and refined WebGL-based rendering for Highcharts, focusing on performance improvements for large datasets. Their work involved writing and integrating GLSL shaders, constructing vertex buffers, and optimizing the rendering pipeline. The user also addressed bugs related to the visual display of various chart elements within the boosted mode and addressed rendering of labels. Furthermore, the user worked on integrating the boost module with the Navigator component.
chartinghighchartsjavascriptjs
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