Dmytro – Flutter, BLoC, Firebase

An application for urgent and immediate notification of users with important messages and tasks.

• Implemented Critical Alerts functionality on iOS;
• Сreated same logic for Android through the implementation and processing of special user permissions and notification channel settings;
• Worked with native Kotlin code to manage custom settings for notifications, volume, and "Do Not Disturb" mode to achieve the desired application behavior;
• Worked with Flutter isolates to be able to adjust mobile settings even if app is closed.

ChordChord is the AI chord progression generator & chord player application.

• Implemented Google and Apple Sign-In;
• Displayed chord generation and paying UI via highly customizable WebView;
• Added In-App Subscriptions functionality (plans, trials, refund, restore) and integrated it into the existing subscription system.

Mobile application for iOS and Android with the ability to yacht control and operation.

• Created app for yacht control;
• Worked with WebSockets (handling asynchronous incoming events and supporting connection in different application states);
• Participated in technical discussion with clients and design creation process.

PixShare is a mobile app for sharing pictures with your family and friends using AI.

• Developed a process for receiving and processing files from a gallery using AI to detect faces in photos;
• Implemented the basic elements of a social network within the application, including sharing photo packages, finding friends and interacting with them;
• Сreated the functionality of uploading and downloading photos from the gallery to AWS S3 and vice versa in separate isolates of the Flutter application;
• Developed channels between Flutter app and native iOS and Kotlin code to have better control of device gallery (core functionality) and CPU status (app optimization).

A cycle-aligned app to make every day better with personalized daily advice tailored to your menstrual phase and hormone levels, allowing you to navigate each day with confidence and ease.

• Designed cycle progression logic;
• Designed a serverless application using Firebase Firestore and Cloud Functions;
• Implemented subscriptions and paywalls using Adapty;
• Added In-App Reviews functionality;
• Created native home screen and lock screen widgets for iOS;
• Added events tracking using Google and Facebook Analytics.

Chatsonic AI is a ChatGPT-like AI chatbot that can help you with text and image generation on the go.

• Implemented Google and Apple Sign-In;
• Added subscriptions via Chargebee service;
• Worked with WebSockets for messages receiving and displaying.

Social media mobile application are an an efficient way to meet people from your network again.

• Created calendar events and time zones logic;
• Worked with Firebase, Mixpanel and Sentry analytics tools;
• Integrated push notifications;
• Integrated Google and Microsoft Calendar APIs for in-app calendar.