Hans Bakker
CEO at Apache OFBiz®
Trang Province, Thailand
Summary
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SeniorHans Bakker is a veteran software leader and CEO with 19 years of focused experience delivering and consulting on ERP systems, notably Apache OFBiz and Moqui, while steering AntWebsystems and the Flutter-driven GrowERP product. A long-time Apache OFBiz committer and PMC member with over 2000 commits, he blends deep back-end engineering—API, email services, plugin enhancements—with product-level insight into project and task management workflows. He has a proven track record of moving core repositories forward and refactoring complex portal UIs to improve usability and extensibility for small businesses. Based in Trang Province, Thailand, Hans pairs hands-on open-source development with international consultancy experience dating back to large-scale projects at PolyGram and government web systems. He is as comfortable leading teams and company strategy as he is writing backend code that ships to production for global customers. An unusual strength is his longevity across the full ERP stack, giving him rare institutional knowledge of both legacy systems and modern Flutter-driven front ends.
19 years of coding experience
14 years of employment as a software developer
Dutch, German, English
Stackoverflow
11reputation
158reached
2answers
0questions
Github Skills (10)
ofbiz10
javas10
databases10
web-framework10
groovy10
plugin10
database10
java10
xml9
sharepoint6
Programming languages (9)
Github contributions (5)
apache/ofbiz-plugins
Nov 2007 - Mar 2016
Apache OFBiz is an open source product for the automation of enterprise processes. It includes framework components and business applications for ERP, CRM, E-Business/E-Commerce, Supply Chain Management and Manufacturing Resource Planning. OFBiz provides a foundation and starting point for reliable, secure and scalable enterprise solutions.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:782 commits in 8 years 5 months
Contributions summary:Hans primarily focused on enhancing the OFBiz plugins repository by adding functionality related to project and task management within the web application. Their contributions involved modifying the code to include features like adding timestamps, integrating phase and project information, and streamlining the task list. The user's work demonstrates a focus on improving the usability of the project manager by adding new features, optimizing current code, and correcting existing errors.
starting-pointofbizchainsupplycrm
apache/ofbiz
Jul 2006 - Dec 2016
Apache OFBiz - Main development has moved to the ofbiz-frameworks repository.
Role in this project:Back-end Developer
Back-end DeveloperContributions:2605 commits in 10 years 7 months
Contributions summary:Hans was responsible for the maintenance and enhancement of the Apache OFBiz main development repository, moving the focus to the ofbiz-frameworks repository. The user worked on improving existing features, particularly around the portal pages, by refactoring the layout, the user interface, and adding new functionality. The user also enhanced the codebase by adding new features to existing API services, such as adding optional parameters and also implemented improvements for the email services.
geospatialgroovyofbizxmljavascript
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