David Haensel
Team Lead Research Data Tooling
Chemnitz, Saxony, Germany
Summary
👤
Senior🎓
Top SchoolDavid Haensel is a software engineering leader with 13 years of experience bridging research and production-grade tooling, now serving as Team Lead Research Data Tooling at DeepL. He holds a PhD in Computer Science and has a strong HPC and parallel computing background from a long tenure at Forschungszentrum Jülich, where he developed C++ MPI-enabled tasking frameworks and simulation software for pedestrian dynamics. David combines deep algorithmic expertise with pragmatic engineering—moving from low-level performance optimization in molecular dynamics and latency-critical systems to building data tooling for research workflows. Based in Chemnitz, Germany, he has steadily progressed from postdoctoral research to leadership in industry, bringing a research-first mindset to product engineering and team enablement. An often-overlooked strength is his ability to translate complex scientific code into maintainable, scalable systems that serve both researchers and production teams.
14 years of coding experience
6 years of employment as a software developer
Dr. rer. nat., Computer Science, Dr. rer. nat., Computer Science at Technische Universität Dresden
German, English, French
Github Skills (60)
simulation10
simulator10
emacs-lisp10
vim10
emacs10
cpp10
swift8
open-access8
eslint8
php8
java8
language-server-protocol8
journal8
json7
javascript7
Programming languages (5)
Github contributions (5)
zeroset/jpscore
Sep 2019 - Mar 2022
Simulation core
Contributions:311 pushes, 89 branches in 2 years 6 months
simulatorsimulation
zeroset/simulator
Oct 2020 - Aug 2021
Contributions:83 pushes, 42 branches in 10 months
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