Jansen Kantor
Senior Software Engineer at edX
City of Poughkeepsie, New York, United States
Summary
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Rockstar🎓
Top SchoolJansen Kantor is a Senior Software Engineer with 11 years of experience building full-stack Python and React applications, currently focused on improving online learning infrastructure at edX. He has hands-on experience across front-end and back-end development—authoring APIs, enhancing course discovery, and implementing file upload and team-assessment features in the widely used Open edX codebase. Jansen also contributes to technical documentation, translating complex platform changes into clear guidance for course staff and learners. His background includes financial systems work in Java at Vestmark and early full-stack AWS and VoIP tooling, showing both breadth and adaptability. Based in Poughkeepsie, NY, he combines practical production delivery with a knack for subtle UX improvements (confirm dialogs, accurate file-size handling) that reduce friction for large-scale educational deployments.
11 years of coding experience
7 years of employment as a software developer
Arlington High SchoolBachelor of Science (BS), Computer Science, 3.5, Bachelor of Science (BS), Computer Science, 3.5 at Northeastern University
Stackoverflow
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Github Skills (28)
api-rest10
javascript10
openedx10
data-service10
pytest10
python10
apidoc10
api-design10
restful-api10
django10
testing10
modeler10
modello10
webservice10
api10
Programming languages (7)
Github contributions (5)
openedx/edx-ora2
Oct 2019 - Aug 2022
Open Response Assessment Suite
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:55 releases, 270 reviews, 134 commits in 2 years 10 months
Contributions summary:Jansen primarily contributed to the Open Response Assessment Suite (edx-ora2) by implementing features related to file uploads. They added functionality to enable and disable file deletion, integrated a confirmation dialog for file deletion, and ensured that the correct file sizes were displayed. Further, they made improvements for team assessment by including team member files in the submission display and addressed issues with the display and processing of old submission data. This work involved front-end (JavaScript) and back-end (Python) code changes.
assessmentpythonsuite
openedx/openedx-platform
Dec 2018 - Dec 2022
The Open edX LMS & Studio, powering education sites around the world!
Role in this project:Back-end Developer
Back-end DeveloperContributions:188 reviews, 168 commits, 409 PRs in 4 years 1 month
Contributions summary:Jansen primarily contributed to the back-end of the Open edX platform by adding an API endpoint to list the roles of the logged-on user. This involved modifications to both test and view files to support the new functionality. Furthermore, the user added the capability to filter the API results by a specified course ID. Additional changes included modifying the API response to include a field to denote staff status, and included modifications to several files to support this.
lmsopenedxbackend-service
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