Bart Jochems
Founder at Heyoo
Randstad, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolBart Jochems is a founder and product leader with 13 years of experience building SaaS products that digitize and automate business workflows, most notably in expense management as the founder of Declaree. He combines product strategy and hands-on engineering insight—evidenced by contributions to an open-source Swift Core Data sync project that improved deep relationship mapping and data integrity. After scaling Declaree into a robust multi-currency, multi-language platform, he served as Head of Mid-Market and later Chief Product Officer at Mobilexpense, shaping product-market fit for enterprise customers. Bart now leads Heyoo, an AI-driven employee advocacy platform that taps into networks for marketing, hiring and lead generation. Trained as an IT specialist (MSc, University of Twente), he blends technical rigor with a pragmatic focus on automation, control and user experience. Colleagues describe him as an entrepreneur who turns manual, spreadsheet-based processes into auditable, API-first systems.
13 years of coding experience
14 years of employment as a software developer
MSc, Information Technology, MSc, Information Technology at University of TwenteGraaf Huyn College
Stackoverflow
134reputation
12kreached
3answers
7questions
Github Skills (13)
unit-testing10
data-sync10
json10
swift10
coredata10
data-synchronization10
ios6
error-handling6
combine6
animation6
iphone6
google-maps6
indexeddb6
Programming languages (3)
Github contributions (5)
3lvis/Sync
Aug 2017 - Apr 2018
JSON to Core Data and back. Swift Core Data Sync.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:29 commits, 12 PRs, 10 pushes in 8 months
Contributions summary:Bart primarily contributed to the core functionality of the `sync` repository, which focuses on JSON data synchronization with Core Data in Swift. Their work included adding support for deep mapping of relationships in Core Data, specifically addressing to-one and to-many relationships. Additionally, the user implemented fixes for specific issues and enhancements, such as preventing deletion of child objects in many-to-many relationships, and included tests to validate the changes.
to-jsoncore-datasyncdata-syncswift
batjo/DATASource
Nov 2017 - Apr 2019
Core Data's NSFetchedResultsController wrapper for UITableView and UICollectionView
Contributions:2 PRs, 5 pushes, 3 branches in 1 year 4 months
core-dataswiftiosdatasourceuicollectionview
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