Tom Wayson is an applications programmer with 13+ years focused on bringing GIS maps and spatial data to the web, and more than two decades of hands-on mapping experience dating back to 1998. At Esri he architects client-side systems and libraries for the ArcGIS API for JavaScript, leading multi-tenant efforts on ArcGIS Hub and mentoring engineers while presenting widely at the Developer Summit. He’s a prolific open-source contributor—maintaining and enhancing projects like esri-leaflet that bridge ArcGIS services with Leaflet—and has deep practical experience with React, Ember, Angular, Oracle Spatial, Leaflet and Google Maps. Prior roles include leading web GIS and OMS integration at LADWP and building statewide imagery and landscape modeling apps, demonstrating a knack for turning complex spatial analysis into intuitive, testable web applications. Based in Claremont, CA, he combines product-focused architecture with developer tooling expertise, and his GitHub shows a pattern of shipping practical examples and tests alongside new features.
13 years of coding experience
11 years of employment as a software developer
Career Certificate, Computer Science, Career Certificate, Computer Science at Santa Monica College
Bachelors Degree, Geography, Geology, Bachelors Degree, Geography, Geology at University of California, Los Angeles
A lightweight set of tools for working with ArcGIS services in Leaflet. :rocket:
Role in this project:
Front-end Developer
Contributions:17 commits, 1 PR, 13 comments in 6 months
Contributions summary:Tom significantly contributed to enhancing the functionality and user experience of the `esri-leaflet` library. They implemented new features for the `ImageMapLayer`, including the ability to set rendering rules, mosaic rules, and noData parameters. The user also added example pages and tests, ensuring the correct functionality of the new features and providing practical usage examples. Furthermore, the user refactored and improved code related to popups, added an example page for custom popups, and documented the new features.
A light-weight JS/CSS extension for building awesome mapping apps with Bootstrap and ArcGIS.
Role in this project:
Front-end Developer
Contributions:14 commits, 1 comment, 1 issue in 2 months
Contributions summary:Tom primarily contributed to the front-end development of the project by adding and modifying demo pages. They implemented Dojo-Bootstrap versions of the demo pages, likely to provide alternative UI framework options. The user fixed a dropdown menu bug on touch devices, improving mobile usability. They also made adjustments to the project's syntax highlighting and the navigation menu.
css-jsarcgislight-weightlightcss
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