Oleksandr – Dart, Swift, Kotlin

The application is for fully devoted followers of Christ. It allows users to find audio and video messages from pastors, check in to the church, invite friends, and track their progress. Users can also connect with their campus, stay up to date, and more.

• Implemented the app-required functionality (e.g., giving screen, locations screen, payment methods screen, payment details, custom number keyboard, and more)
• Developed the UI using UIKit & SwiftUI, and Jetpack Compose for Android
• Created animations
• Performed code refactoring and functionality improvements
• Made performance improvements
• Was responsible for App Clip development

The project involves developing an Admin Panel to manage customers' eclectic infrastructure. This platform aims to centralize and streamline the control of diverse systems and components, allowing administrators to monitor, manage, and optimize various infrastructure elements efficiently.

Team leading Creating project architecture Creating documentation Writing tests Creating design system

The project is a mobile application for iOS and Android that allows users to photograph receipts. Using AI, the app recognizes and processes the receipt, enabling users to split the expenses among a group of people. This simplifies the process of sharing costs, making it convenient for group activities such as dining out or shared purchases.

• Set up the project structure and environment
• Implemented user authentication and authorization
• Configured and integrated necessary libraries to enhance functionality
• Created data models and queries for Firebase interaction
• Implemented REST API calls to interact with the AI for receipt recognition and data extraction

A mobile SDK for crypto app where you can access the details of your bank accounts and perform various banking tasks, such as transferring money, checking account balances, and paying bills, using a mobile device.

• Created project architecture
• Integrated API with REST, WebSockets
• Was in charge of custom encryption integration on mobile client
• Created documentation
• Was in charge of auto-publishing to pub.dev with GitHub actions
• Performed tests
• Created example app with all functions.

Social network fully based on firestore and cloud functions.

• Managed the team
• Designed application architecture
• Implemented integration with Firebase cloudstore without REST API
• Extended business logic
• Integrated Chat API
• Fixed bugs
• Performed code review.

Self-hosted video player implementation for flutter

• Created project architecture, and wrote it from start to end
• Created SDK in flutter application level using dart
• Created platform channels
• Created platform views
• Implemented iOS AVPlayer integration in Swift
• Implemented Android ExoPlayer2 integration in Kotlin
• Created an example app in Flutter.

HandiFox is a leading inventory control and sales management solution that allows small and medium businesses to automate their sales, manage the supply chain pipeline and do sales in the field on mobile devices.

• Created project architecture
• Managed the team management
• Performed code review
• Implemented integration with API with REST
• Created offline app functionality
• Integrated biometric auth
• Integrated RxSwift integration
• Created business logic
• Implemented integration with MFI (Made for iPhone) API
• Fixed bugs

The MyMazda App makes your Mazda ownership experience simpler and more convenient than ever. The app allows you to do: Remote Engine Start / Stop, Remote Door Lock / Unlock, Monitor vehicle health, Receive vehicle status alerts, easily find your car remotely.

• Set up a project architecture
• Managed the team management
• Created 360 views
• Created in-app animations
• Implemented integration with API with REST
• Performed code review.

Babyname is the new way for you and your partner to find the perfect name for your baby. It’s a fun & easy solution for busy couples to connect with each other no matter where they are and find the perfect name for their newborn.

• Created project architecture, and wrote it from start to end
• Implemented integration with API with REST
• Created animations in an app
• Created business logic in an app
• Integrated in-app payments