Jan Van Mansum
Core Systems Team Leader at Data Archiving and Networked Services (DANS)
Randstad, Netherlands
Summary
👤
Senior🎓
Top SchoolJan 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)Lerarenopleiding VO, wiskunde (education, mathematics), Lerarenopleiding VO, wiskunde (education, mathematics) at Hogeschool RotterdamOpen Universiteit Nederland
English, Spanish, Dutch
Stackoverflow
66reputation
16kreached
1answer
0questions
Github Skills (12)
json10
javas10
java10
apidoc9
metadata9
api9
rest-api8
api-rest8
restful-api8
api-design8
dbf6
database6
Programming languages (13)
Github contributions (5)
IQSS/dataverse
Jan 2021 - Oct 2022
Open source research data repository software
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7 reviews, 156 commits, 13 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.
data-repository
DANS-KNAW/dd-dans-sword2-examples
Oct 2022 - Mar 2026
Example client code for depositing dataset to the DANS archive via the SWORD2 protocol
Contributions:1 review, 26 PRs, 116 pushes in 3 years 5 months
client-codedatasetarchive
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.