Julius Witte
Junior Entwickler at Leibniz-Institut DSMZ-Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH
Lower Saxony, Germany
Summary
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Senior🎓
Top SchoolJulius Witte is a bioinformatics-trained software developer with 10 years of experience applying computational methods to microbiology and scientific data management. Based in Lower Saxony, he bridges biology and engineering as a scientific staff member at the Leibniz DSMZ while also working as a Junior Entwickler at OSIRIS Solutions. He builds and maintains microbiological databases and contributes to EU projects like Bioindustry 4.0, bringing domain knowledge of microbial data standards and research workflows. Julius is also an active open-source contributor to high-performance scientific code—his back-end work on the widely used deal.II finite element library shows deep expertise in linear algebra, template specialization, and performance-minded refactoring. He holds an MSc in Bioinformatics from Universität Hamburg and a dual Bachelor's in Biology & Computer Science from Universität Bremen, a combination that helps him translate research needs into robust software. Colleagues rely on him for pragmatic, test-driven improvements that make computationally intensive tools more efficient and reusable.
10 years of coding experience
Master of Science, Bioinformatik, Master of Science, Bioinformatik at Universität HamburgZwei-Fach-Bachelor, Biologie & Informatik, Zwei-Fach-Bachelor, Biologie & Informatik at Universität Bremen
German, English
Github Skills (7)
finite-element-analysis10
cpp10
cplus10
template-metaprogramming10
linear-algebra10
lapack9
numerical-methods8
Programming languages (2)
Github contributions (5)
dealii/dealii
Sep 2017 - Apr 2020
The development repository for the deal.II finite element library
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 review, 17 commits, 7 PRs in 2 years 7 months
Contributions summary:Julius primarily contributed to the core functionality of the `dealii` library. Their work focused on refactoring and specialization of the `TensorProductMatrixSymmetricSum` class, including splitting it into base and derived classes, and adding template specializations for vectorized data types. The user implemented and tested various reinitialization methods, and integrated support for matrix-vector products and their inverses, demonstrating a strong focus on linear algebra and finite element methods. These changes likely improved the efficiency and flexibility of the library.
dealmultiphysicsc-plus-pluscomputational-sciencefinite-elements
jwitte08/dealii
Apr 2016 - May 2021
The development repository for the deal.II finite element library.
Contributions:68 pushes, 21 branches in 5 years 2 months
dealfinite
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