Willem Hengeveld
Software Engineer at Hippies from Hell Collective
The Hague, South Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolWillem Hengeveld is a seasoned software engineer with 23 years of hands-on experience in C++, Python and low-level languages, focused on reverse engineering and rescuing poorly written applications. Based in The Hague, he has been dissecting phone firmware since 2003 and develops cryptophone software while reverse engineering Windows CE–based mobile devices. He builds practical tooling for blockchain investigations and has a knack for discovering the undocumented bit that makes systems behave. A Delft-educated mathematician/computer scientist, Willem pairs deep technical curiosity with a long track record of pragmatic problem solving across archival systems, embedded firmware and bespoke client software. His background in both underground collectives and formal product work gives him an unusual blend of creative persistence and production discipline.
23 years of coding experience
5 years of employment as a software developer
mathematics, computer science, mathematics, computer science at Delft University of Technology
Stackoverflow
2,808reputation
1.1mreached
67answers
0questions
macos
top-5%
Github Skills (124)
python10
http10
databases10
variadic-templates10
file-format10
http-client10
ida10
squashfs10
pkzip10
whatsapp10
apple210
cpp10
aiohttp10
calculator10
offline-maps10
Programming languages (12)
Github contributions (5)
nlitsme/zipdump
Jul 2016 - Oct 2022
Analyze zipfile, either local, or from url
Contributions:44 commits, 2 PRs, 23 pushes in 6 years 3 months
extractionpythonzipfileanalysisanalyze
nlitsme/bitcoinexplainer
Jan 2021 - Sep 2021
Interactive examples explaining the details of how bitcoin calculations work.
Contributions:55 commits, 19 pushes, 1 branch in 7 months
bitcoinelliptic-curvescalculatormath
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