Joe Charlier
IOS Developer at Aepryus Software
Chiyoda, Japan
Summary
👤
Senior🎓
Top SchoolJoe Charlier is an experienced iOS developer with over a decade designing and shipping mobile clients, currently building projects like Oovium, Aexels, and Evolizer at Aepryus Software from Tokyo's Chiyoda district. His background includes leading iOS development at Mango Health and designing the front-end for the widely used BeejiveIM iOS client, demonstrating a strong product-first approach to user-facing engineering. He has worked across startups and larger teams — from consumer apps at PayPay to cross-platform module work using Kotlin Multiplatform — blending native iOS expertise with cross-platform and backend experience. A physics and mathematics-trained thinker (University of Chicago and UW–Madison), he brings analytical rigor to pragmatic engineering decisions. Colleagues can expect a developer comfortable owning UX-critical clients and the platform integrations that keep them reliable at scale.
10 years of coding experience
11 years of employment as a software developer
Mathematics, Mathematics at University of Wisconsin-MadisonB.A., Physics, B.A., Physics at University of Chicago
English, French, Japanese
Stackoverflow
4,795reputation
463kreached
65answers
17questions
uibutton
top-5%
uiscrollview
top-5%
swift
top-5%
macos
top-5%
iphone
top-5%
ios
top-5%
Github Skills (55)
perfect10
launchpad10
mysql-connection10
ios-library10
swift10
rocket9
universe9
ios9
dynamic-forms9
deep-linking9
spacex9
iphone9
uibutton9
orm9
api9
Programming languages (5)
Github contributions (5)
aepryus/Oovium
Mar 2022 - Oct 2025
a bicycle for the mind
Contributions:2 releases, 2 PRs, 90 pushes in 3 years 8 months
aepryus/Cocytus
Aug 2022 - Aug 2022
Contributions:73 commits, 73 pushes, 1 branch in 8 days
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