Hal Mueller
IOS Developer (volunteer) at Mobile Geographics
Seattle, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolHal Mueller is a seasoned Apple-platform software architect and iOS developer with 17+ years delivering navigation, geospatial, and visualization products across iOS, macOS, visionOS and web. He has maintained a continuous presence on the App Store since its launch, founded Mobile Geographics, and shipped production features at companies from startups to enterprise (Included Health, Panopto, MartianCraft). An experienced instructor and curriculum designer at the University of Washington, he’s taught hundreds of developers to build Cocoa, Swift, and immersive interfaces. His open-source and community work includes contributions to ARKit-CoreLocation, blending AR precision with GPS-scale geodata—reflecting a practical knack for marrying spatial science with elegant UX. Based in Seattle, he combines deep domain knowledge in geodata, mapping, and BLE/navigation hardware with hands-on implementation in Swift, Objective-C and Python. He seeks collaborative teams and interesting problems where long-term product stewardship and technical craftsmanship matter.
17 years of coding experience
13 years of employment as a software developer
Bachelor of Arts (BA) Mathematics and Computer Science, Bachelor of Arts (BA) Mathematics and Computer Science at University of RochesterABD Computer Science, ABD Computer Science at Texas A&M University
Stackoverflow
7,227reputation
423kreached
362answers
4questions
swift
top-5%
macos
top-5%
ios
top-5%
scenekit
top-1%
Github Skills (16)
swift10
ios10
scenekit10
corelocation10
arkit10
augmented-reality10
coredata9
macos9
unit-testing9
xcode6
objective-c6
storyboard6
spritekit6
uitableview6
cocoa6
Programming languages (10)
Github contributions (5)
AndrewHartAR/ARKit-CoreLocation
Oct 2019 - Dec 2019
Combines the high accuracy of AR with the scale of GPS data.
Role in this project:
Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:49 commits, 35 PRs, 15 pushes in 1 month
Contributions summary:Hal primarily contributed to the iOS application, specifically focusing on integrating ARKit and CoreLocation. Their work involved implementing features such as pausing and resuming animations when the app enters the background, exposing and utilizing functionalities of `SceneLocationView` to allow reading the 3D position of nodes. The user also added demos, including dynamic labels displaying distance and updated tests for the library. Overall, the user demonstrated the ability to build augmented reality features using ARKit, along with location integration.
accuracynorth-calibrationhigh-accuracyscaleaugmented-reality
halmueller/OpenSeaMapDemo
Aug 2015 - Nov 2016
Contributions:35 commits, 28 pushes, 1 branch in 1 year 3 months
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