Regis Kuckaertz
Principal Engineer at Pirum
London, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolRegis Kuckaertz is a Principal Engineer based in London with 11 years of experience building robust, strongly-typed systems and APIs using Scala and other functional languages like Haskell, PureScript and Rust. He combines hands-on engineering with architecture and technical leadership, having led the Guardian’s Content API team, migrated core search infrastructure with zero downtime, and optimized cost and performance at scale. A core maintainer of Scanamo and contributor to high-profile projects such as ZIO and the Guardian’s scribe editor, he blends backend concurrency expertise with real-world front-end refinements. Regis teaches functional programming internally and runs workshops on advanced Scala patterns, bringing practical pedagogy to team upskilling. He has a longstanding interest in information design and typography, which informs his thoughtful approach to API and UI design. Outside work he’s partial to elegant code—and his dog Guzmán.
11 years of coding experience
19 years of employment as a software developer
Bachelor of Applied Science (B.A.Sc.), Computer Science, Bachelor of Applied Science (B.A.Sc.), Computer Science at University of LiègeBachelor of Applied Science (B.A.Sc.), Computer Science, Bachelor of Applied Science (B.A.Sc.), Computer Science at Haute Ecole de la Province de Liège 'Rennequin Sualem'
Stackoverflow
1,001reputation
27kreached
26answers
7questions
Github Skills (19)
javascript10
zio10
java10
scala10
javas10
dom-manipulation10
html10
api-design9
async9
asynchronous9
functional-programming9
concurrency9
css7
monads6
haskell6
Programming languages (14)
Github contributions (5)
guardian/scribe
Jun 2015 - Mar 2016
DEPRECATED: A rich text editor framework for the web platform
Role in this project:
Front-end Developer
Front-end DeveloperContributions:43 commits, 13 PRs, 1 branch in 9 months
Contributions summary:Regis primarily focused on improving the functionality of the rich text editor framework. They implemented changes to the Selection API, optimizing its performance and fixing bugs related to marker placement. The user also addressed layout issues by adding a display: none fix and made further refinements to the API related to handling of the selection. The user also refactored and improved the code related to the insertion of HTML content.
contenteditableweb-platformtext-editingwysiwygjavascript
zio/zio
Feb 2020 - Apr 2022
ZIO — A type-safe, composable library for async and concurrent programming in Scala
Role in this project:Back-end Developer
Back-end DeveloperContributions:193 reviews, 13 commits, 170 PRs in 2 years 2 months
Contributions summary:Regis primarily focused on integrating Java interop and adding documentation. They brought back Java interop features and added specs. The commits also include refactoring and cleanup tasks like removing duplicate imports, moving code to companion objects, and making adjustments to internal class visibility. They also worked on adding and updating documentation.
functional-programmingqueuesstreamsasynchronicityasync
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