Cliff Hansen
Technical Lead at Sandia National Laboratories
Albuquerque, New Mexico, United States
Summary
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Rockstar🎓
Top SchoolCliff Hansen is a Technical Lead at Sandia National Laboratories with a decade of hands-on software engineering experience and a deep academic foundation—a Ph.D. in Mathematics from The George Washington University. He blends rigorous mathematical thinking with practical engineering to lead and stabilize complex technical projects, often focusing on reliability, testing, and clear documentation. Cliff contributes to the pvlib-python open-source project, improving clear-sky models, error handling, and user-facing documentation—demonstrating care for both scientific correctness and developer experience. Based in Albuquerque, he pairs national-lab scale systems expertise with a habit of turning nuanced domain knowledge into robust, well-tested code.
9 years of coding experience
Doctor of Philosophy (Ph.D.), Mathematics, Doctor of Philosophy (Ph.D.), Mathematics at The George Washington UniversityMaster of Science (MS), Applied Mathematics and Engineering Science, Master of Science (MS), Applied Mathematics and Engineering Science at Northwestern UniversityBachelor of Science (BS), Mathematics, Bachelor of Science (BS), Mathematics at Brigham Young University
Greek, Russian
Github Skills (6)
python10
documentation10
testing10
photovoltaic8
numpy7
pandas7
Programming languages (8)
Github contributions (5)
pvlib/pvlib-python
Aug 2017 - Dec 2022
A set of documented functions for simulating the performance of photovoltaic energy systems.
Role in this project:
Back-end Developer & Documentation Specialist
Back-end Developer & Documentation SpecialistContributions:4 releases, 765 reviews, 85 commits in 5 years 5 months
Contributions summary:Cliff primarily focused on improving the pvlib-python project by addressing code quality and usability. Their contributions involved bug fixes and feature additions related to the clear-sky model, and they further enhanced the project by adding more robust error checks. Their work also includes substantial improvements to the documentation, particularly concerning accuracy, clarity, and structure for the project, reflecting a concern for developer and user experience. Moreover, the contributions show a dedication to testing, indicating a commitment to code reliability and validation.
pythonsolar-energyenergy-systemsrenewablesphotovoltaic
cwhanse/cwhanse.github.io
Jul 2020 - May 2024
Contributions:4 PRs, 22 pushes, 3 branches in 3 years 10 months
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