Jim Turner
Mechanical Engineer at U.S. Naval Research Laboratory
Washington, District of Columbia, United States
Summary
🤩
Rockstar🎓
Top SchoolJim Turner is a mechanical engineer and research scientist with 14 years of experience applying signal processing, nonlinear dynamics, planning and control, reinforcement learning, and numerical optimization to defense- and lab-scale problems. With a PhD from Duke and a track record at the U.S. Naval Research Laboratory, he bridges rigorous academic modeling and applied testing, verification, and simulation to deliver robust mechanical and control systems. He is also an active open-source contributor, improving core scientific tooling—adding array and slicing features to the widely used Rust ndarray crate and hardening package verification for a Raspbian unattended installer. Comfortable in both Python and systems-level Rust, he emphasizes reproducible, well-tested code and practical security measures (GPG/SHA256) in deployment pipelines. Notably, his background spans hands-on hardware experiments dating back to nanoengineering and tractor PTO control, giving him uncommon breadth across scales from nanomechanics to naval systems.
13 years of coding experience
10 years of employment as a software developer
Doctor of Philosophy (Ph.D.), Mechanical Engineering, 4.00 GPA, Doctor of Philosophy (Ph.D.), Mechanical Engineering, 4.00 GPA at Duke UniversityBachelor’s Degree, Mechanical Engineering, 4.00 GPA, Valedictorian, Bachelor’s Degree, Mechanical Engineering, 4.00 GPA, Valedictorian at North Carolina State University
English, Spanish
Github Skills (38)
package-management10
python10
scripting10
typed-array10
multidimensional-arrays10
testing10
mathematics10
arrayobject10
dynamic-array10
bash10
math10
pg10
numpy10
maths10
script10
Programming languages (12)
Github contributions (5)
rust-ndarray/ndarray
Sep 2017 - Jul 2022
ndarray: an N-dimensional array with array views, multidimensional slicing, and efficient operations
Role in this project:
Back-end Developer
Back-end DeveloperContributions:85 reviews, 357 commits, 264 PRs in 4 years 11 months
Contributions summary:Jim implemented features related to array manipulation and mathematical operations within the ndarray crate, specifically adding a new type for handling dimensions and adding methods related to array creation and data handling such as `.insert_axis()` and various slicing methods. They also added support for 128-bit integers as a scalar, improved handling of arrays with zero dimensions, and fixed issues related to indexing in Fortran arrays. Their contributions include enhancements to both the core functionalities and tests for the crate, including the introduction of new methods like `.product()` and improvements in the overall performance and robustness of the library.
multidimensionalarrayndarrayrustscientific-computing
debian-pi/raspbian-ua-netinst
Jun 2014 - May 2015
Raspbian (minimal) unattended netinstaller
Role in this project:DevOps Engineer
DevOps EngineerContributions:12 commits, 2 PRs, 8 comments in 10 months
Contributions summary:Jim primarily focused on enhancing the build and deployment process of the Raspbian net installer. They implemented security measures by verifying GPG keys and signatures, and modified the build script to improve package verification and error handling. Their contributions ensured the integrity of downloaded packages and the overall robustness of the installation process. They made changes to improve the update process by using SHA256 checksums for verification and by refining the user interface of the update script.
raspberry-piraspbianarmbiandebian-linuxdebian
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