Sjoerd Mulder
Co-Founder Chief Technology Officer at Crobox
Amsterdam, North Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolSjoerd Mulder is a seasoned full-stack technology leader and co-founder currently serving as CTO in Amsterdam, with 14 years of experience building scalable, event-driven systems from hardware and networking up through polished JavaScript UIs. He has a strong track record designing cloud-native platforms using Scala, Akka, Mesos, Docker, Elasticsearch and Cassandra, and previously built a REST-based PersuasionAPI adopted by enterprise customers like Booking.com and KLM. Equally comfortable in front-end engineering and backend data handling, he contributes to open-source projects ranging from MongoDB drivers to Storm and AngularJS dashboards, often improving binary/data serialization and test coverage. Known for blending usability-driven UI design with sound architecture, he focuses on reusable components, standards and measurable performance (APIs that respond in milliseconds). An operator who still commits code, he brings startup grit, deep systems knowledge and an eye for behavioural-science-informed product features.
15 years of coding experience
11 years of employment as a software developer
Bachelor of Information and Communication Technology Information Technology, Bachelor of Information and Communication Technology Information Technology at Amsterdam University of Applied Sciences
English, Dutch
Github Skills (30)
unit-testing10
json-parser10
json10
storm10
javascript10
apache-storm10
jsonp10
data-serialization10
distributed-systems10
java10
mongodb-database10
serialization10
javas10
deserialization10
front-end-development10
Programming languages (15)
Github contributions (5)
bguerout/jongo
Jan 2013 - Sep 2013
Query in Java as in Mongo shell
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7 commits in 8 months
Contributions summary:Sjoerd primarily focused on bug fixes and enhancements related to the handling of binary data within the Jongo library. They addressed issues related to marshalling and unmarshalling of binary data, ensuring correct serialization and deserialization. Furthermore, the user made improvements to the test suite to include comprehensive testing for binary data types, ensuring the library functions correctly. These changes indicate a focus on core functionality and data handling within the library.
javamongo-shell
dtpublic/malhar-angular-dashboard
Jul 2014 - Sep 2014
Generic Dashboard/Widgets functionality with AngularJS (directive)
Role in this project:Front-end Developer
Front-end DeveloperContributions:6 commits in 1 month
Contributions summary:Sjoerd primarily focused on improving the functionality and extendability of the dashboard's AngularJS directives. They implemented changes to allow the integration of custom sortable options, enhancing the user's ability to control widget arrangement. The contributions also included the addition of unit tests to validate the behavior of the dashboard directive and addressing minification issues to ensure proper operation. These changes ultimately focused on improving the flexibility and maintainability of the dashboard's core components.
angularjs
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