Kevin Sapper
Lead Developer at Deutsche Bank
Germany
Summary
🤩
Rockstar🎓
Top SchoolKevin Sapper is a Lead Developer based in Germany with 12 years of experience building resilient back-end systems and pragmatic front-end interfaces. He combines enterprise experience at Deutsche Bank and consulting roles with hands-on open-source work in the ZeroMQ ecosystem, contributing substantive C-level improvements to czmq, zyre and the ZeroMQ website. Comfortable across embedded systems, Java EE back-ends and responsive web UIs, he has a track record of shipping protocol-level features (message/frame handling, leader election) as well as UX refinements. His contributions to popular projects like czmq and vim-airline show a mix of low-level systems thinking and developer-focused tooling. Kevin is an active ZeroMQ community member who tends to bridge gaps between core protocol implementations and real-world application needs. He holds a Master’s in Computer Science and often surfaces non-obvious improvements—such as API refinements and documentation fixes—that reduce friction for other developers.
12 years of coding experience
5 years of employment as a software developer
Master’s Degree, Computer Science, Master’s Degree, Computer Science at RheinMain University of Applied Sciences
English, German
Github Skills (24)
zeromq10
website-development10
messaging10
apidoc10
css10
sass10
responsive-design10
user-interface10
vim-plugin10
c1110
message-system10
c1710
vim10
message-handler10
api10
Programming languages (18)
Github contributions (5)
zeromq/zeromq.org
Jun 2019 - Jan 2023
ZeroMQ Website
Role in this project:
Front-end Developer
Front-end DeveloperContributions:84 commits, 104 PRs, 63 pushes in 3 years 7 months
Contributions summary:Kevin primarily contributed to the front-end development of the ZeroMQ website. Their work included responsive design adjustments, such as centering the ZeroMQ icon on mobile devices, and adding an edit page button. They also refactored the website's structure by splitting the content partial into multiple partials and improving the user experience by implementing a floating action bar for language and library selection. Furthermore, the user updated the site with favicons, and improved the UI with various styling and structural changes.
zeromq
zeromq/zyre
Nov 2013 - Apr 2022
Zyre - an open-source framework for proximity-based peer-to-peer applications
Role in this project:Back-end Developer
Back-end DeveloperContributions:7 releases, 168 commits, 77 PRs in 8 years 6 months
Contributions summary:Kevin primarily updated the chat example to utilize a new Zyre API, incorporating a new structure for message data. They refactored the core Zyre functionality by moving the message wrapper into its own C file. The user also added the capability to retrieve header values and added message command defines. Further modifications included adding functionality for leader election in groups.
p2ppeer-to-peerproximity
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