Gregg Roemhildt is a software engineer with 12 years of experience specializing in web mapping, cartography, GIS, Python, and JavaScript. He has progressed from GIS analyst and coordinator roles in county and municipal government to leading web development at WSB and now engineers at NVIDIA, blending domain expertise with production-grade software delivery. Gregg contributes to open-source mapping projects like the Configurable Map Viewer (CMV), focusing on frontend UX for layer management and Google Street View integrations. Based in Minnesota, he combines pragmatic problem-solving from his rural roots with a sustained curiosity for new JavaScript and Python projects, building sustainable, flexible web applications for spatial data.
11 years of coding experience
11 years of employment as a software developer
Waseca High School
Bachelor of Applied Science (B.A.Sc.) Geography Computer Science and GIS, Bachelor of Applied Science (B.A.Sc.) Geography Computer Science and GIS at UW-River Falls
CMV - The Configurable Map Viewer - A community supported open source mapping framework built with the Esri JavaScript API and the Dojo Toolkit
Role in this project:
Full-stack Developer
Contributions:1 release, 145 commits, 63 PRs in 3 years 10 months
Contributions summary:Gregg primarily contributed to the frontend aspects of the CMV application, making modifications related to the display and control of layers and sublayers, including implementing the ability to automatically toggle sublayers. They also updated configuration files to include new features and components, such as Google Street View. Moreover, the user made several code changes related to the Google Street View integration, including fixing image URLs and making improvements to the widget's functionality. Further commits incorporated changes to the Geocoder widget, suggesting a focus on UI enhancements.
Contributions:1 release, 285 commits, 105 PRs in 1 year 6 months
reactdata-management
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