Derek Konigsberg
President And Product Engineer at Dektronics,Inc.
Mountain View, California, United States
Summary
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Rockstar🎓
Top SchoolDerek Konigsberg is a seasoned software engineer and product-minded entrepreneur with 14 years of experience building embedded systems, secure messaging libraries, and enterprise clients. Based in Mountain View, he led client and encryption work at WhatsApp—authoring a C port of the Signal Protocol and developing cross-platform Qt/C++ clients—and now directs product engineering at Dektronics, creating embedded devices for analog darkroom photography. His background spans defense and simulation software, UI and build automation, and networked systems, giving him a rare blend of hands-on cryptography, C/C++ systems work, and product delivery. An active contributor to the libsignal ecosystem, he has shipped protocol-level improvements around fingerprinting and device consistency that cross-pollinated Java and C implementations. Trained with a B.S. and M.Eng. from Rensselaer, he combines rigorous engineering discipline with maker-level curiosity for niche hardware and tooling.
14 years of coding experience
15 years of employment as a software developer
M.Eng. Computer & Systems Engineering, M.Eng. Computer & Systems Engineering at Rensselaer Polytechnic Institute
Stackoverflow
631reputation
16kreached
20answers
0questions
Github Skills (14)
c1710
c1110
cryptography10
protocols9
error-handling9
communication-protocol9
openssl7
command-line-interface6
code-signing6
eclipse6
automation6
linux6
serialization6
javame6
Programming languages (7)
Github contributions (5)
signalapp/libsignal-protocol-c
Sep 2015 - Mar 2020
Role in this project:
Back-end Developer
Back-end DeveloperContributions:76 commits, 42 PRs, 91 pushes in 4 years 6 months
Contributions summary:Derek's commits focused on implementing and modifying features related to fingerprint generation and device consistency within the Signal Protocol library. They ported features from libaxolotl-java, addressed data type issues, and improved error handling in session builder functions. Furthermore, they refactored code to remove deprecated functionalities and added functions to expose fields contained within a scannable fingerprint.
dektronics/printalyzer-timer
Oct 2020 - Jan 2023
F-Stop enlarging timer and print exposure meter
Contributions:1 review, 268 commits, 1 PR in 2 years 3 months
timerstopmeterexposure
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