Julian Nalenz
Co-Founder And CTO at Divizend
Luttmissen, Lower Saxony, Germany
Summary
🤩
Rockstar🎓
Top SchoolJulian Nalenz is a founder and CTO with a decade of experience building large financial software systems and turning complex tax processes into delightful user experiences at Divizend. He combines hands-on engineering—evidenced by low-level reverse-engineering work on projects like whatsapp-web-reveng—with product-led entrepreneurship that simplified international withholding tax reclaiming for retail investors. As a founding partner at Nalenz Equity he focuses on tech that reshapes governance, circular economies, and equitable financial infrastructure, blending investment strategy with operator-level insight. Trained at TUM and KTH in computer science, he pairs rigorous academic foundations with practical delivery across backend systems, databases, and developer tooling. Based in Lower Saxony, he’s known for translating intricate protocols and regulation-heavy domains into maintainable, user-centered platforms.
10 years of coding experience
2 years of employment as a software developer
Master of Science - MS Informatik, Master of Science - MS Informatik at KTH Royal Institute of TechnologyMaster of Science - MS Informatik, Master of Science - MS Informatik at Technical University of Munich
Github Skills (8)
whatsapp10
binary-data10
reverse-engineering10
data-parsing10
python10
parse10
encryption10
nodejs4
Programming languages (9)
Github contributions (5)
sigalor/whatsapp-web-reveng
Jan 2018 - Feb 2020
Reverse engineering WhatsApp Web.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:79 commits, 25 PRs, 57 pushes in 2 years 1 month
Contributions summary:Julian primarily focused on reverse engineering the WhatsApp Web interface, contributing significantly to the project's core functionality. Their work included parsing and decoding WhatsApp's binary message format, as evidenced by extensive code modifications within the `decoder.py` file. The user also implemented utilities for reading and writing binary data, demonstrating a deep understanding of the protocol's inner workings. Furthermore, the user contributed to the project's maintainability by adding encryption details and other descriptive information.
whatsappwhatsapp-webengineeringreverse-engineeringencryption
sigalor/iban-to-bic
Jul 2021 - Sep 2024
Determines the SWIFT BIC of an IBAN.
Contributions:6 PRs, 18 pushes, 1 branch in 3 years 3 months
bicibanswift
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