Jonas Diemer
Senior Engineering Director at Luxoft Germany
Brunswick, Lower Saxony, Germany
Summary
👤
Senior🎓
Top SchoolJonas Diemer is a Senior Engineering Director based in Brunswick, Germany, with 14 years of experience leading engineering teams and delivery at Luxoft. He blends hands-on technical contributions—from low-level research on many-core and real-time systems to practical backend and frontend open-source work—with strategic leadership across solutions, delivery, and systems engineering. His academic background (Dr.-Ing. and Dipl.-Ing. in Electrical Engineering from TU Braunschweig) underpins expertise in Network-on-Chip, real-time Ethernet and formal performance analysis, which he has translated into product-focused roles since joining industry. Jonas remains an active open-source contributor, improving cross-version Python compatibility in XlsxWriter, enhancing numeric accuracy in Logseq via BigNumber.js, and adding secure upload controls to miniserve. Colleagues describe him as a technically rigorous manager who still dives into code and tests to ensure reliable, backward-compatible systems. He brings a rare combination of research depth and delivery-oriented engineering leadership that drives robust, maintainable solutions.
14 years of coding experience
7 years of employment as a software developer
Dr.-Ing. Elektrotechnik, Dr.-Ing. Elektrotechnik at Technische Universität Braunschweig
German, English, French, Chinese, griechisch, alt (bis 1453), Latin
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (24)
calculator10
xlsx10
python10
clojure-cli10
xlsxwriter10
testing10
cal10
calc10
clojure10
compatibility10
file-upload10
rust10
clojurescript10
javascript9
command-line9
Programming languages (15)
Github contributions (5)
svenstaro/miniserve
Aug 2022 - Sep 2022
🌟 For when you really just want to serve some files over HTTP right now!
Role in this project:
Back-end Developer
Back-end DeveloperContributions:20 reviews, 32 commits, 2 PRs in 1 month
Contributions summary:Jonas primarily contributed to the implementation of file upload restrictions within the `miniserve` repository. Their work included adding an option to restrict upload directories, modifying the rendering logic to accommodate the new restriction, and writing test cases to ensure the correct behavior of the feature. This user also refactored the code and improved documentation to enhance clarity.
command-line-toolstatic-fileshttp-clientservenodejs
logseq/logseq
May 2022 - Jul 2022
A privacy-first, open-source platform for knowledge management and collaboration. Download link: http://github.com/logseq/logseq/releases. roadmap: http://trello.com/b/8txSM12G/roadmap
Role in this project:Front-end Developer
Front-end DeveloperContributions:2 reviews, 7 commits, 2 PRs in 1 month
Contributions summary:Jonas primarily focused on enhancing the calculator extension within the Logseq knowledge management platform. Their work involved improving the precision of number outputs, specifically addressing the handling of floating-point numbers and small values. They also migrated the calculations to use the BigNumber.js library to handle potential rounding errors, and contributed tests to ensure accurate calculations.
knowledge-basecollaborationknowledge-graphlinkmarkdown
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