Mobile Application Developer JAN 2026 – PRESENT
flatexDEGIRO SE
- Focused on Android development.
- Responsible for iOS code review and quality assurance.
Tech: Kotlin, Java, Swift, iOS
Summary
Seasoned Android Developer with over seven years of experience. Proficient in Kotlin and Java, with additional familiarity in Swift and JavaScript. Versatile professional with experience in on-site, remote, and hybrid work environments. Relocated to Germany in early 2023. Fluent in English and have an intermediate level of proficiency in German. Open to remote or hybrid positions within a two-hour radius of Leipzig (e.g. Dresden, Berlin, Magdeburg), as well as on-site roles in Hamburg or Munich, or fully remote opportunities across Germany.
Experience
Android Developer MAY 2025 – SEP 2025 (5 months)
AQMS GmbH
- Led a complete UI overhaul of the Android app, including a major redesign of video player controls and content navigation, resulting in a more intuitive and engaging viewing experience.
- Migrated legacy XML-based layouts to Jetpack Compose, modernizing the codebase, reducing UI complexity, and improving maintainability and development speed.
Tech: Kotlin, Java, Jetpack Compose, Figma, Material 3, Exoplayer
Android Developer SEP 2024 – MAR 2025 (7 months)
BestNET
- Refactored the app’s architecture, introducing modular design, dependency injection, and clean separation of concerns to increase maintainability, testability, and developer onboarding speed.
- Managed the complete Google Play release process: prepared release builds, configured Play Console assets, managed release tracks, and coordinated production and staged rollouts, ensuring compliance with Play Store policies and a smooth user update experience.
Tech: Kotlin, Play Store, ViewBinding, Architecture, Performance
Android Developer JAN 2023 – AUG 2024 (1 year 8 months)
Appsfactory GmbH
- Maintained and extended a flagship news application, delivering new features and UI improvements while ensuring high stability under heavy daily traffic.
- Owned the Android codebase, managing releases, bug fixes, and performance tuning in close collaboration with backend and QA teams.
- Contributed to several high-visibility apps and multiple parallel projects in the Media Unit and Health Unit, adapting app architectures to diverse client requirements.
Tech: Kotlin, Java, Azure, Figma, Room, Android Automotive, Appcenter, Jetpack Compose
Android Developer MAR 2021 – OCT 2022 (1 year 8 months)
PATH - Product and Software House
- Owned the full development lifecycle for the tuttur.com Android app, leading planning, implementation, and release activities independently in a remote workflow.
- Modernized and refactored the legacy codebase, migrating outdated components to contemporary Android standards and increasing code maintainability, performance, and security.
Tech: Kotlin, Java, Retrofit, Firebase, DataBinding, ViewBinding, Fastlane
Mobile Application Developer FEB 2020 – MAR 2021 (1 year 2 months)
BestNET
- Led Android development as the sole developer, taking full ownership of feature delivery, code quality, and all release cycles.
- Architected and integrated comprehensive Firebase services, including Realtime Database, Crashlytics, Analytics, and Push Notifications to enhance app reliability and engagement.
- Implemented Bluetooth printer support, empowering users to print receipts and reports directly from the mobile app.
- Implemented barcode scanning capabilities using the device camera for fast product lookup and inventory operations, streamlining in-app workflows.
Tech: Kotlin, AndroidX, Retrofit, Spring Boot, Firebase
Mobile Application Developer FEB 2017 – DEC 2019 (2 years 11 months)
Self-Employed
- Built and shipped Android and iOS apps
- Delivered projects E2E under tight deadlines
- Provided backend dev support when needed
Tech: Kotlin, Swift, Java
Languages
- English: Fluent
- German: Intermediate
Tech Stack
Android
Backend
DevOps
Tools
AI Tooling
- GitHub Copilot
- Codex CLI
- Gemini CLI
- Windsurf
- Antigravity
- Prompt engineering
- AI-assisted code review
- AI-assisted refactoring