Stefan Immich
Android Developer at BandFriend
San Diego, California, United States
Summary
👤
Senior🎓
Top SchoolStefan Immich is an Android developer and software engineering leader with 14 years of experience building and shipping high-quality mobile apps for consumer and enterprise audiences. He has led teams and rebuilt legacy codebases into modular Kotlin architectures using MVVM, Jetpack, Flow and coroutines, most recently driving TurboTax Mobile to a 4.5 Play Store rating and 10M+ downloads. As founder of BandFriend and touchbee Solutions he’s taken products from prototypes and wireframes through design, backend and cross-platform publishing, demonstrating strong end-to-end product instincts. Stefan pairs hands-on implementation (Java, Kotlin, Swift, Combine, C/C++) with platform-level thinking—authoring reusable modules and migrating complex systems to modern infrastructure. Comfortable in both startup and corporate settings, he mentors engineers, runs hiring interviews, and repeatedly improves app ratings and performance at scale. Based in San Diego, he blends deep mobile technical craft with an entrepreneurial track record that surfaces in polished user experiences.
14 years of coding experience
23 years of employment as a software developer
Bachelor of Science - BS Computer Science, Bachelor of Science - BS Computer Science at Hochschule für Technik und Wirtschaft des Saarlandes Saarbrücken
English, German, Spanish
Github Skills (24)
appearance9
hockeyapp6
swift5
player5
uploading4
ios4
controller4
custom-fonts4
youtube4
ufo4
gradle-plugin4
swiftui4
android3
fonts3
opentype3
Programming languages (2)
Github contributions (5)
touchbee/intuit-demo
Feb 2019 - Aug 2024
Contributions:4 pushes, 1 branch in 5 years 7 months
touchbee/TBHintView
Apr 2012 - May 2012
Contributions:27 commits in 1 month
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