Jasper Van Der Jeugt
Staff Software Engineer at Digital Asset
Zurich, Zurich, Switzerland
Summary
🤩
Rockstar🎓
Top SchoolJasper Van Der Jeugt is a Staff Software Engineer based in Zurich with 17 years of experience building robust back-end systems and developer tools. He brings deep functional programming expertise—particularly in Haskell—and has a track record of contributing to high-impact open-source projects such as Open Policy Agent and the Haskell Text and Hakyll ecosystems. Jasper has held senior engineering roles at Snyk and Fugue and now drives technical work at Digital Asset, combining production-grade engineering with thoughtful tooling improvements. His contributions span bug fixes, tracing and REPL features for policy engines, and polishing developer UX in terminal and static-site tools, showing a blend of systems thinking and pragmatic craftsmanship. Notably, he has a history of compatibility-focused maintenance and benchmarking work, reflecting an attention to performance and long-term code health. He prefers direct contact by email and favors shipping well-crafted code over social media presence.
17 years of coding experience
12 years of employment as a software developer
Master of Engineering (M.Eng.) Computer Software Engineering, Master of Engineering (M.Eng.) Computer Software Engineering at Ghent University
Dutch, English
Stackoverflow
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0reached
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Github Skills (28)
opa10
authorizations10
testing10
template-engine10
terminal-application10
text-formatting10
open-policy-agent10
go10
pandoc10
authorization10
cabal10
terminal-ui10
static-site-generation10
haskell10
text-format10
Programming languages (19)
Github contributions (5)
jaspervdj/hakyll
Dec 2009 - Jan 2023
A static website compiler library in Haskell
Role in this project:
Backend Developer
Backend DeveloperContributions:12 reviews, 1527 commits, 220 PRs in 13 years 3 months
Contributions summary:Jasper's contributions primarily involved the development and enhancement of the Hakyll static website compiler library. Their work included the addition of new functions such as `createListing` and `createListingWith` to simplify the creation of post lists and feed integrations. The user also made various improvements to the core components, including updating the version and refactoring tag-handling functionalities.
compilerhaskell
haskell/stylish-haskell
May 2012 - Jan 2023
Haskell code prettifier
Role in this project:Back-end Developer
Back-end DeveloperContributions:15 releases, 34 reviews, 407 commits in 10 years 9 months
Contributions summary:Jasper primarily contributed to the development of the Haskell code prettifier by implementing and testing new features, such as handling language pragmas and improving the formatting of import statements. They added several test cases to ensure correctness and extended the tool's capabilities by incorporating support for features like aligning record fields and managing multi-line imports. The user demonstrated their skills by refactoring existing code, improving test coverage, and expanding the tool's overall functionality.
haskellprettifier
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