Sam Ottenhoff
Co-Founder And CTO at LONGSIGHT, INC.
New York, New York, United States
Summary
🤩
Rockstar🎓
Top SchoolSam Ottenhoff is a seasoned software leader and Co-Founder/CTO of Longsight with 16 years of experience building and guiding higher-education focused technology products. Based in New York, he combines hands-on backend engineering—demonstrated by sustained open-source contributions to prominent projects like Sakai and DSpace—with product-level leadership of a company serving academic institutions. His technical work spans practical refactors and bug fixes in learning management and digital-asset systems, including JSF improvements, assessment manager enhancements, and LDAP/URL handling fixes that improve real-world deployments. Sam’s career reflects a blend of entrepreneurial grit and deep domain expertise in ed-tech, informed by international study at the University of Amsterdam and a BA from Kenyon College. Notably, he has repeatedly moved between code and architecture, ensuring that strategic decisions remain grounded in maintainable, production-grade engineering.
16 years of coding experience
BA, BA at Kenyon CollegeCert, Cert at University of Amsterdam
Stackoverflow
750reputation
69kreached
19answers
3questions
nginx
top-5%
Github Skills (22)
jsfl10
java10
javas10
jsf10
html10
rest-api10
dspace10
ldap9
web-development9
nginx9
git-repository8
open-source8
package-repository8
configurations6
ip6
Programming languages (12)
Github contributions (5)
sakaiproject/sakai
Sep 2010 - Jan 2023
Sakai is a freely available, feature-rich technology solution for learning, teaching, research and collaboration. Sakai is an open source software suite developed by a diverse and global adopter community.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1572 reviews, 2979 commits, 2637 PRs in 12 years 6 months
Contributions summary:Sam contributed to the codebase through modifications to the SAM (Sakai Assessment Manager) module. They refactored code to use panelGroups, and implemented changes to the JSF (JavaServer Faces) HTML, including refactoring the way checkboxes are handled. The changes spanned multiple files.
diversesakaivlefeature-richfreely
DSpace/DSpace
May 2012 - Mar 2014
(Official) The DSpace digital asset management system that powers your Institutional Repository
Role in this project:Back-end Developer
Back-end DeveloperContributions:20 commits in 1 year 10 months
Contributions summary:Sam primarily focused on bug fixes and minor feature enhancements within the DSpace digital asset management system. Their contributions involved addressing issues related to URL handling, password resets, and IP address validation in the XMLUI. They also addressed an issue with incorrect file naming during PDF generation. Additionally, the user made changes to the LDAP authentication and item request functionality.
management-systemopen-accessdigital-assetdigital-asset-managementpowers
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