Jeremiah Sandahl
Lead Software Engineer at Optum
Excelsior, Minnesota, United States
Summary
👤
Senior🎓
Top SchoolJeremiah Sandahl is a Lead Software Engineer with 12+ years building scalable, distributed systems and leading geospatial engineering at Optum. He blends hands-on full-stack work—from Python/Flask and React to Kubernetes, GCP Pub/Sub and TigerGraph—with architecture, DevOps, and client-facing communication. Known for solving high-throughput problems (processing millions of addresses daily) and designing cost-conscious, open-source-friendly solutions, he thrives under pressure and mentors teams through growth. His background spans healthcare mapping, timeseries and event-driven systems, mobile/GIS apps, and migrating legacy stacks to modern platforms. Outside engineering he’s a maker and teacher—father of nine, choir director, instrument builder and woodworking contest winner—which informs a pragmatic, people-centered leadership style.
12 years of coding experience
10 years of employment as a software developer
Bachelor of Arts (B.A.), Theology and Music, Bachelor of Arts (B.A.), Theology and Music at Northland International UniversityMasters Certificate of Web Design and Development, Web/Multimedia Management and Webmaster, Masters Level, Masters Certificate of Web Design and Development, Web/Multimedia Management and Webmaster, Masters Level at University of DenverMarie-Curie Gymnasium, Dresden, Germany.
German, French, Greek, Hebrew
Github Skills (45)
noaa9
nws9
arcgis8
hydrology8
jupyterlab-extension8
climate-science8
binder7
spatial-data7
esri7
gis7
api6
spatial-data-analysis6
python6
jupyter6
web-development5
Programming languages (5)
Github contributions (5)
jeremiahsa/TigerGraphCloudTest
Sep 2020 - Sep 2020
Contributions:1 PR, 2 pushes, 1 branch in 1 day
jeremiahsa/QGIS
Jun 2024 - Jun 2024
QGIS is a free, open source, cross platform (lin/win/mac) geographical information system (GIS)
Contributions:1 PR, 1 push in 1 day
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