Sam Caldwell
Senior Software Engineer at Scale Computing
Tucson, Arizona, United States
Summary
👤
Senior🎓
Top SchoolSam Caldwell is a Senior Software Engineer with a decade of multidisciplinary experience building reliable systems in defense, cloud infrastructure, and open-source projects. Currently at Scale Computing and concurrently serving in the Air National Guard, he blends production software engineering with operational maintenance and systems troubleshooting. His background at Raytheon designing missile guidance and automating legacy codebases demonstrates strength in safety-critical systems, regression testing, and pragmatic modernization. An active contributor to the uutils/coreutils Rust rewrite, he has improved core utilities like cp and truncate by fixing parsing bugs, tightening error handling, and expanding test coverage. Based in Tucson with a mechanical engineering degree, Sam pairs hands-on hardware and machining experience with backend development and QA, and brings a continuous-learning mindset across agriculture, finance, and computer science.
10 years of coding experience
9 years of employment as a software developer
Bachelor's Degree Mechanical Engineering, Bachelor's Degree Mechanical Engineering at Utah State University
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (6)
command-line-tool10
rust10
testing10
gnu-coreutils9
coreutils9
error-handling9
Programming languages (9)
Github contributions (5)
uutils/coreutils
Jan 2022 - Feb 2022
Cross-platform Rust rewrite of the GNU coreutils
Role in this project:
Back-end Developer & QA Engineer
Back-end Developer & QA EngineerContributions:2 reviews, 8 commits, 2 PRs in 28 days
Contributions summary:Sam primarily worked on improving the `truncate` and `cp` utilities within the coreutils project, a Rust rewrite of GNU coreutils. Their contributions included fixing bugs related to command-line argument parsing and error handling, as well as adding test cases. The user also refactored code by replacing `unwrap_or_else` with `map_err`, and addressed a compiler warning. Additionally, they improved error messages for the `cp` utility and enforced constraints on input arguments.
command-line-toolrustlinuxgnucoreutils
shoriminimoe/HyperCoreAnsibleCollection
Dec 2022 - Mar 2025
Official Ansible collection for Scale Computing SC//HyperCore (HC3) v1 API
Contributions:3 releases, 50 pushes, 52 branches in 2 years 3 months
apiansible-collectionansiblescalehypercore
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