Profilbild von Tobias Boehm Senior Software Developer (Android, Kotlin) aus BadBramstedt

Tobias Boehm


Letztes Update: 03.05.2024

Senior Software Developer (Android, Kotlin)

Firma: Tobias Boehm Softwareentwicklung
Abschluss: Master Of Science International Media and Computing
Stunden-/Tagessatz: anzeigen
Sprachkenntnisse: Deutsch (Muttersprache) | Englisch (verhandlungssicher)




I'm a (Senior) Android developer with ten years of experience building high quality native apps (Kotlin, Java) as well as over 6 years of experience of working fully remote.

Most important programming-, scripting and markup languages, databases, libraries, and tools used in the past:
Kotlin, Java, AndroidX, ViewBinding, Mapbox, Picasso, Coil, OkHttp, Room, Realm, greenDao, Retrofit, Timber, Coroutines, RXJava, JUnit, Espresso, Mockito, mockk, Play Services, Architecture Components, Jackson, Gson, SQLite, Realm, greenDAO, Room, IntelliJ IDEA, Android Studio, VS Code, Git, Gradle, Jenkins, Crashlytics, Firebase, Google Cloud Run, Dagger DI / Hilt, Coin DI, Jetpack Compose, MVVM, MVI, MVC, Clean Code, Clean Architecture, ChatGPT, Stable Diffusion


01/2024 - bis jetzt
Freelance Senior Android Developer @ blueworld GmbH
blueworld GmbH (Internet und Informationstechnologie, 10-50 Mitarbeiter)

Together with the existing Android team, I overhauled the Tracemate Android app architecturally and structurally and improved existing processes.
Tools and Skills: Clean Code, Clean Architecture, Coroutines, Kotlin, Model View Intent, SCRUM, Mockk, Slack, Confluence, Jira

05/2023 - bis jetzt
Mobile- & Backend Developer @ MNDXT
Tobias Boehm Softwareentwicklung (Internet und Informationstechnologie, < 10 Mitarbeiter)

I design and develop both Android and backend application for AI content generation app “Mind Extension” using latest Android technologies (Kotlin, Coroutines, Compose, Dagger Hilt DI, MVI, Mockk) and Google Cloud Platform + GitLab CI infrastructure for my backend (Cloud Run, Docker, Ktor, Koin DI, Detekt, Mockk)

As part of this project, I integrated services such as Google InApp Billing, Cloudinary CDN, OpenAI GPT, StabilityAi Stable Diffusion and Firebase SSO and Storage.

11/2023 - 04/2024
Senior Android Developer @ Congstar
Congstar (Telekommunikation, 500-1000 Mitarbeiter)

Together with the team of Congstar I helped to modularize the main app and introduce code quality controls (think clean architecture and modularization by functionality + ktlint and detekt). All new UI components were implemented with Compose.
Tools and Skills: Kotlin, Dependency Injection, Coroutines, MVI, Retrofit/okhttp, GitLab, AndroidX, Mockk, Espresso, Jetpack Compose, detekt, ktlint, Scrum / Kanban, Confluence, Jira, MS Teams

02/2022 - 08/2023
Senior Android Developer @ RTL
RTL (Medien und Verlage, >10.000 Mitarbeiter)

With a team of over 250 people (>40 Android devs on one codebase) I was working on their next generation media streaming solution for RTL. My team was responsible for creating the podcast section of the app. Highlights: Working with a very large team utilizing the SAFe framework in a highly modularized project.

Company Languages: German & English
Tools and Skills: Kotlin, Dagger/Hilt Dependency Injection,  GraphQL, Coroutines, MVVM, Retrofit/okhttp, GitLab, AndroidX, Mockito, Scrum & SAFe, Confluence, Jira, MS Teamsm Jetpack Compose

02/2021 - 01/2022
Senior Android Freelancer @ Immowelt
Immowelt Hamburg GmbH (Internet und Informationstechnologie, 500-1000 Mitarbeiter)

Together with the existing Android team I have further developed the Immowelt Search App.
Highlight: Designing a polygon draw and erase feature prototype for creating search areas on Google Maps based on the JTS Topology Suite and the Android motion event system.

Mainly remote due to COVID-19

Company Languages: German & English

Tools and Skills: Kotlin, KOIN Dependency Injection, Coroutines, MVVM, DataBinding, Retrofit/okhttp, Gradle Kotlin DSL; Google Maps, AndroidX, Mockito, Robolectric, Scrum, Confluence, Jira, Bitbucket, MS Teams, Slack

09/2019 - 12/2020
Senior Android Developer @ AOK Systems
AOK Systems (Versicherungen, 500-1000 Mitarbeiter)

Begleitungs des Redesigns der AOK Bonus App. Konzeption und Einführung eines Multi-Modul fähigen Single-Activity Navigationssystems unter Verwendung von MVI, RXJava und Magnet DI.

11/2015 - 09/2019
(Senior) Android Developer @ Komoot
komoot (Internet und Informationstechnologie, 10-50 Mitarbeiter)

Development of new features and maintenance for the leading outdoor planning navigation app in DACH - 3M downloads, up to 1M active users (depending on the season of the year).

04/2015 - 09/2015
Android Developer @ Semper
UnlockYourBrain GmbH (Internet und Informationstechnologie, 10-50 Mitarbeiter)

Development of Semper. Semper is a vocabulary trainer app featuring various languages as well as math quizzes using an unique approach by appearing in front of the lockscreen or before apps are started. On its peak the app had several 100k users per month.


Verfügbar in den Ländern Deutschland, Österreich und Schweiz
I prefer to work remote, however we can always dicuss beeing on site for a week every few weeks. For the Hamburg area I can offer 40% on site every week.

exali IT-Haftpflicht-Siegel (Sondertarif für Freelancermap-Mitglieder)

Das original exali IT-Haftpflicht-Siegel bestätigt dem Auftraggeber, dass die betreffende Person oder Firma eine aktuell gültige branchenspezifische Berufs- bzw. Betriebshaftpflichtversicherung abgeschlossen hat. Diese Versicherung wurde zum Sondertarif für Freelancermap-Mitglieder abgeschlossen.



Profilbild von Tobias Boehm Senior Software Developer (Android, Kotlin) aus BadBramstedt Senior Software Developer (Android, Kotlin)