Davidย Rosenman
Infrastructure And Operations (I&O) Engineer
Port Moresby, National Capital District, United States
Summary
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Top SchoolDavid Rosenman is an Infrastructure and Operations Engineer with nine years of experience turning messy, high-stakes data into reliable, auditable systems for healthcare and environmental domains. He has architected full-stack solutions at Optumโbuilding Python/SQL backends, R Shiny frontends, and automated pipelines that consolidated 150+ fragmented spreadsheets into a contract-of-record and recovered overlooked revenue. Prior roles include large-scale environmental data automation at the NJ DEP, where he produced interactive Shiny apps and automated regulatory reporting. He holds a B.S. in Physics and a B.A. in Political Science, and an MS in Computer Science from Georgia Tech, a combination that helps him bridge technical rigor with policy-aware product design. An open-source contributor, he created polars_mssql to speed data transfer between SQL Server and Polars, highlighting a practical focus on performance and operational observability. Based in Port Moresby, he blends data engineering, full-stack development, and infrastructure automation to deliver measurable business impact.
9 years of coding experience
2 years of employment as a software developer
Bachelor of Arts - BA, Political Science, Bachelor of Arts - BA, Political Science at Temple UniversityMaster of Science - MS, Computer Science, Master of Science - MS, Computer Science at Georgia Institute of TechnologyBachelor of Science (B.S.), Physics, Bachelor of Science (B.S.), Physics at The College of New Jersey
Stackoverflow
1,272reputation
97kreached
45answers
8questions
Github Skills (49)
r-package8
htmlwidgets7
geosphere6
dplyr6
sample-data6
python6
dataframe6
datetime6
pandas6
r6
government-data5
water-quality5
hydrogen5
voila5
jupyter-kernels5
Programming languages (4)
Github contributions (5)
DRosenman/chemhelper
Jul 2017 - Aug 2017
Contributions:1 release, 35 commits, 34 pushes in 23 days
DRosenman/linear_regression
Aug 2017 - Feb 2025
Contributions:1 release, 24 pushes, 1 branch in 7 years 7 months
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