Jakub Holý is a Senior Software Engineer based in Oslo with 11+ years of hands-on experience building and operating Java and Clojure web applications, now focusing on full-time Clojure development and DevOps at Ardoq. He blends deep expertise in code quality, automated testing, performance and continuous delivery with a pragmatic lean/agile mindset, routinely automating repetitive work to boost developer productivity. Jakub has supported both large international systems and small startups, led teams, and evangelized continuous delivery and DevOps practices across organizations like Telia and Comoyo. An active open-source contributor, he has improved core aspects of the Fulcro full-stack Clojure(Script) library—strengthening query validation, data normalization and lifecycle behavior. Known for enjoying knowledge sharing (and excellent tea), he’s also exploring functional programming languages such as Clojure and Scala to continually sharpen his toolset.
11 years of coding experience
19 years of employment as a software developer
Master, IT, Master, IT at Czech Technical University in Prague
Master of Engineering - MEng, Computer Science, Master of Engineering - MEng, Computer Science at Czech Technical University in Prague, Faculty of Civil Engineering
IT, IT at Linköping University
Bc, Humanities, Bc, Humanities at Charles University
A library for development of single-page full-stack web applications in clj/cljs
Role in this project:
Full-stack Developer
Contributions:5 reviews, 33 commits, 38 PRs in 2 years 6 months
Contributions summary:Jakub primarily contributed to the Fulcro library, focusing on improvements and bug fixes related to query validation, data normalization, and component lifecycle management. Their work included refining compile-time and runtime query checks to improve error messages and prevent application crashes. They also addressed issues in data targeting and denormalization algorithms, enhancing data handling within Fulcro applications. Further contributions included improvements to documentation and the element picker.
Contributions:62 commits, 40 pushes, 1 branch in 1 year 11 months
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