Mobile Engineer • Flutter • UI Architecture • Performance

I build clean, scalable, and well‑designed mobile experiences. My work focuses on modular architecture, customizable UI systems, fluid interactions, and engineering polish. Creator of ListenMe Player — an advanced audio player showcasing precision navigation, UI frameworks, and modern Flutter app structure.

• Flutter development for Android & cross‑platform apps
• Clean architecture and modular state management
• Custom UI frameworks, animations, and layout systems
• Performance optimization and smooth UI engineering
• Tooling, experiments, and R&D across various domains

Advanced Flutter audio player demonstrating:

• Segment playback & precise navigation
• Complete theme engine with gradients, shadows, and layouts
• Modular architecture with clear separation of concerns
• Jog‑wheel controls, custom sliders, and interactive widgets
• Offline playlist modes, metadata parsing, and more

🔗 Google Play: (https://play.google.com/store/apps/details?id=com.listenme.player)

Languages & Frameworks: Flutter, Dart, Kotlin, Java

Architecture: Clean Architecture, MVVM, modular design, state models

UI/UX: Custom widgets, animations, layout systems, theme engines

Tools & Libraries: Firebase, ffmpeg-kit, just_audio, SQLite, GitHub Actions

Domains: App performance, UI engineering, mobile systems

• ListenMe Player — Open Edition (main showcase project)
• Flutter UI Lab (experiments with widgets, layouts, animations)
• Flutter Architecture Playground (clean architecture templates)
• Mobile Utils (helpers, extensions, dev tools)
• Flutter Experiments (R&D sandbox)

• Improving app architecture patterns
• Designing scalable UI frameworks
• Experimenting with new Flutter APIs
• Building reusable components across projects

• LinkedIn — linkedin.com/in/wassili-krause
• Google Play — ListenMe Player
• GitHub Discussions — architecture, UI systems, and engineering topics

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