TimΒ Hentenaar
Sr. Cloud Engineer at Apex Systems
Cincinnati, Ohio, United States
Summary
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Top SchoolTim Hentenaar is a senior cloud and security engineer with nearly two decades of hands-on experience building embedded systems, cloud infrastructure, and data security tooling. He has led principal engineering efforts at banks and networking firms, architecting Vault/UKC integrations, migrating services to AWS/ECS, and mentoring engineers across languages from C to Go and Python. Timβs roots in low-level C and reverse engineeringβcontributing to projects like the Open Watcom C compiler and developing userspace tools for proprietary driversβgive him an unusually deep systems perspective for cloud-native work. He designs pragmatic automation and build systems (Gentoo/Portage, Jenkins, containers) and has a track record of turning complex security and firmware challenges into reliable production services. Based in Cincinnati, he pairs a practical, security-first mindset with curiosity that spans compiler internals to scalable AWS operations.
18 years of coding experience
20 years of employment as a software developer
Bachelor of Science - BS, Computer Science, Bachelor of Science - BS, Computer Science at Western Governors University
English, Dutch, Chinese
Github Skills (6)
c1710
compiler-design10
text-parsing10
c1110
parsing10
type-system9
Programming languages (8)
Github contributions (5)
open-watcom/open-watcom-v2
Nov 2020 - Nov 2020
Open Watcom V2.0 - Source code repository, Wiki, Latest Binary build, Archived builds including all installers for download.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 commits, 15 PRs, 3 comments in 4 days
Contributions summary:Tim primarily contributed to the Open Watcom C compiler, focusing on fixing bugs and improving the parsing and compilation of C code. Their work involved correcting issues related to typedefs, union type sizes, and hex float literals. The user refactored existing code and implemented changes to the compiler's core functionality, improving the overall stability and correctness of the C compiler.
watcom
thentenaar/nes-demos
Jun 2014 - Feb 2016
Contributions:20 commits, 46 pushes in 1 year 8 months
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