Patrick Arlt
Applications Engineer
Portland, Oregon, United States
Summary
🤩
Rockstar🎓
Top SchoolPatrick Arlt is an Applications Engineer with 14 years of experience designing and building web and mobile applications, currently driving R&D at Esri's Portland center. He specializes in UX-driven front-end development, API prototyping, and location-aware applications, maintaining Geoloqi websites and developer tools. Patrick contributes to prominent open-source mapping projects like Leaflet and esri-leaflet, where his work on dynamic map layers improved rendering and visual fidelity. His technical toolkit spans HTML/CSS/JavaScript (jQuery, Dojo), Ruby, PHP and WordPress, complemented by strong visual design skills from a BA in Digital Arts. Colleagues know him for blending pixel-level UX care with pragmatic engineering—fixing tricky zoom artifacts and styling issues that noticeably improve map performance and user experience.
15 years of coding experience
6 years of employment as a software developer
Bachelor of Arts, Digital Arts, Bachelor of Arts, Digital Arts at University of Oregon
Stackoverflow
1,225reputation
178kreached
8answers
6questions
Github Skills (16)
maps10
javascript10
leaflet10
human-interface9
graphical-user-interface9
html9
css9
user-interface9
passenger6
permission6
ajax6
asp-net6
nginx6
sinatra6
iphone6
Programming languages (14)
Github contributions (5)
Esri/esri-leaflet
May 2013 - Jan 2023
A lightweight set of tools for working with ArcGIS services in Leaflet. :rocket:
Role in this project:
Front-end Developer
Front-end DeveloperContributions:11 releases, 20 reviews, 1006 commits in 9 years 9 months
Contributions summary:Patrick's contributions primarily involved improvements and refactoring of the `DynamicMapLayer` component within the `esri-leaflet` repository. They focused on enhancing the appearance and functionality of the dynamic map layers, addressing zoom-related visual artifacts, and ensuring proper styling. Their work demonstrates an understanding of Leaflet's API and front-end performance considerations.
arcgisleafletesri-leafletjavascriptleaflet-plugins
Leaflet/Leaflet
Jun 2014 - Nov 2016
🍃 JavaScript library for mobile-friendly interactive maps 🇺🇦
Role in this project:Front-end Developer
Front-end DeveloperContributions:49 commits, 9 PRs, 14 pushes in 2 years 5 months
Contributions summary:Patrick primarily contributed to the front-end aspects of the Leaflet library. Their commits involved modifying JavaScript files, particularly `Leaflet.js`, to expose global variables and handle various rendering aspects. Furthermore, the user addressed merge conflicts, added newline characters for formatting, and modified CSS and HTML debug pages and JavaScript files.
javascriptmobileleaflet
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