Core Systems Team Leader at Data Archiving and Networked Services (DANS)
Randstad, Netherlands
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Summary
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Senior
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Top School
Jan Van Mansum is a seasoned software leader with 17 years of experience, currently heading the Core Systems team at DANS where he balances hands-on engineering with team coaching and delivery. He specializes in backend Java systems, digital preservation platforms and repository software, contributing to open-source projects such as Dataverse by implementing metadata signposting and linkset generation. Jan’s work is driven by a deep interest in programming languages as human-human and human-machine interfaces, which informs his focus on clean code, expressive tests, domain-specific languages and a shift toward functional styles. He has a track record of leading small cross-functional teams from requirements through implementation using technologies like JEE, Wicket, Grails, Fedora Commons and relational databases. Based in the Randstad, he combines practical production experience with continual learning (including a Programming Languages course from University of Washington) to improve developer ergonomics and system clarity. A former tester and QA automation specialist, he brings a pragmatic, quality-first perspective to system design and maintenance.
17 years of coding experience
21 years of employment as a software developer
Coursera / Programming Languages (University of Washington)
Contributions:6 reviews, 156 commits, 12 PRs in 1 year 8 months
Contributions summary:Jan's contributions focus on implementing and maintaining backend functionality for the Dataverse project. The primary area of contribution is within the `SignpostingResources.java` file, where the user has integrated signposting features related to dataset metadata, including identifiers, licenses, and related resources. This involved developing methods to generate links for dataset metadata and building the JSON linkset for the signposting implementation.
Contributions:16 reviews, 62 PRs, 133 pushes in 2 years 9 months
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Jan Van Mansum - Core Systems Team Leader at Data Archiving and Networked Services (DANS)