Flutter Developer Portfolio

🛠 Technical Skills

State Management

Riverpod — modern approach to state management
BLoC / Cubit — proven architecture for large projects

Firebase

Push notifications (FCM)
Remote Config
Crashlytics / Crash Analytics

Backend

Python — server logic and scripts
Go — high-performance services
Microservices — microservice architecture

Protobuf & gRPC

Protocol Buffers — efficient data serialization
gRPC — high-performance RPC framework
.proto schemas — API contract definition

DevOps & Tools

Docker — containerization
Postman — API testing
Grafana, Loki, Tempo — monitoring and logs
VictoriaMetrics — metrics and analytics
Git — version control

Design Tools

Figma — working with layouts
Adobe Illustrator — vector graphics
Blender — 3D modeling

Publishing

Google Play Market (Android)
App Store (iOS)
CI/CD setup

📋 Projects

This is only part of the projects. Click to see details

Day Mode

Application for tracking personal biorhythms and mood. Features audio recording and playback, note-taking, local push notifications. Data correlation is calculated on the backend.

Stack: Flutter Riverpod SQLite SharedPreferences auto_route flutter_secure_storage dio flutter_local_notifications Python FastAPI

Dark and light themes. Local Python backend with FastAPI synchronization.

TradeSizer

Offline calculator for position sizing and stop-loss calculation for cryptocurrency exchanges. Features native sharing, Google Payments, Firebase Analytics and Crashlytics, push notifications and Remote Config.

Stack: Flutter Firebase FCM Push Remote Config Crashlytics Google Play Billing

Implemented app onboarding, key generation and app signing, Google Play account registration, publishing and testing. Blender animations.

Localization: pl, lv, ja, ar, fr, es, en, de, cs, it, ru, uk

🎬 Watch Google Play Promo Video

Pull Sky

Online store for stretch ceilings. Participating in development, helping to complete the project.

Stack: Flutter Cubit SharedPreferences REST API Figma

Calculator

Trial project, one of the first. Third-party weather API integration, database work.

Stack: Flutter Cubit/BLoC SharedPreferences Weather API SQLite

Local user registration and authorization.

Rick and Morty

Application with information about characters from the TV series "Rick and Morty". List loading, data caching, search functionality implemented.

Stack: Flutter BLoC Rick and Morty API Dio Cache

Flutter Mobile Developer