Shmuel Kallner
Senior Technical Staff Member at IBM
Haifa District, Israel
Summary
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Rockstar🎓
Top SchoolShmuel Kallner is a Senior Technical Staff Member at IBM with over a decade of recent experience and a long-standing tenure at the company dating back to the 1980s, combining deep institutional knowledge with current hands-on engineering. He specializes in backend systems and web frameworks, evidenced by contributions to the popular Swift web server Kitura where he restored JSON handling, added file-serving APIs, and improved HTTP error behavior. Based in Israel’s Haifa District, he brings a pragmatic, reliability-first approach to API design and data serialization. His career progression from junior programmer to senior technical leader reflects sustained technical growth and an ability to modernize legacy stacks while contributing to open-source ecosystems.
10 years of coding experience
29 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at Yeshiva University
Hebrew
Github Skills (7)
kitura10
url-routing10
json10
http-server10
swift10
api10
apidoc10
Programming languages (10)
Github contributions (5)
Kitura/Kitura
Feb 2016 - May 2017
A Swift web framework and HTTP server.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 release, 118 commits, 104 PRs in 1 year 3 months
Contributions summary:Shmuel primarily focused on enhancing the Kitura web framework by restoring and adding features related to JSON handling and API capabilities. They reintroduced SwiftyJSON usage for parsing and sending JSON responses. Furthermore, the user implemented a sendFile API for responses, corrected 404 status handling, and added a default index.html. Their work directly improved the framework's ability to handle data serialization and file serving functionalities.
sslframeworkroutingswiftserver
open-horizon/edge-sync-service
Feb 2019 - Aug 2019
Cloud - Edge synchronization service (MMS)
Contributions:89 commits, 34 PRs, 27 pushes in 5 months
golangsynchronizationsynchronization-serviceedgemms
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