Tom Seifert
Senior Software Engineer at Scalable Capital
Dortmund, North Rhine-Westphalia, Germany
Summary
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Rockstar🎓
Top SchoolTom Seifert is a Senior Software Engineer based in Dortmund with over a decade of experience building native Android apps and SDKs, currently contributing to the Scalable Capital Android app. He combines hands-on implementation—expertise in Kotlin, Jetpack Compose and Kotlin Multiplatform—with prior engineering leadership at Zalando where he led cross-platform teams and delivered PCI-DSS-aware payment SDKs. As a freelance developer he shipped a high-performance video player SDK and a cross-platform streaming app, demonstrating an ability to move between solo delivery and large-team coordination. An active contributor to Android open-source tooling, he added coroutine lifecycle support and robustness tests to the ThirtyInch library, showing attention to lifecycle correctness and library compatibility. He pairs a strong academic background (MSc Computer Science, TU Dortmund) with practical strengths in security, testability and CI/CD, and a track record of translating complex requirements into maintainable mobile systems.
10 years of coding experience
9 years of employment as a software developer
Master of Science (M.Sc.), Computer Science, Master of Science (M.Sc.), Computer Science at TU Dortmund University
Stackoverflow
1,320reputation
57kreached
11answers
13questions
Github Skills (13)
kotlin10
coroutines10
android10
unit-testing9
proguard7
callback6
android-intent6
parse-platform6
in-app-billing6
extends6
google-play-services6
parcelable6
java6
Programming languages (6)
Github contributions (5)
GCX-HCI/ThirtyInch
Jan 2019 - Jun 2019
a MVP library for Android favoring a stateful Presenter
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:12 commits, 3 PRs, 6 pushes in 4 months
Contributions summary:Tom focused on adding and improving Kotlin Coroutines support within the `thirtyinch` Android library. They implemented a `TiCoroutineScope` class to tie coroutines to the lifecycle of a `TiPresenter`. They also added and improved ProGuard configurations to make the library compatible and added tests to verify the behavior of the coroutine integration. This included modifications to ensure correct behavior when the view is detached and attached.
mvpmvp-architecturemvp-androidpresenterandroid-library
Syex/skadi
Mar 2020 - Apr 2021
A Kotlin JVM library featuring a redux-like (MVI) architecture with coroutines
Contributions:3 releases, 64 commits, 11 PRs in 1 year
mvi-architecturekotlin-coroutineskotlin-multiplatformmvvmcoroutines
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