Юрій

Yuriy Zakorchevnyi
[відкрити контакти](див. вище в блоці «контактна інформація»)| [відкрити контакти](див. вище в блоці «контактна інформація») | Khmelnytskyi, Ukraine
CV for the position of Flutter developer

Work Experience

Personal Project - ProСвітло
November, 2025 – Present | Ukraine
• Sole Flutter developer of a production mobile application for monitoring power outages and receiving real-time notifications.
• Designed, developed, and published the app on Google Play and Apple App Store.
• Built features for tracking outage schedules with support for multiple saved addresses (7+).
• Integrated Firebase Cloud Messaging for real-time push notifications about power status changes.
• Implemented optimized batch API requests to minimize network usage and improve performance.
• Integrated Google AdMob for monetization with banner and interstitial ads.
• Applied Clean Architecture with BLoC for scalable and maintainable state management.
• Implemented REST API integrations for schedules, address search, and outage data.
• Developed local caching with TTL strategy to improve offline experience and reduce backend load.
• Configured production builds including code optimization, minification, and release configuration.
• Ensured store compliance (privacy policy, permissions, metadata, review requirements).

Strong Junior Flutter developer in Sonik Technology LLC
Sep, 2024 - July, 2025 | Ukraine
• Flutter Developer in Flutter team.
• Participated in the development and delivery of multiple app releases on both the App Store and Google Play.
• Set up and managed in-app purchases and subscription models for iOS and Android platforms.
• Worked with Firebase services, including Authentication, Cloud Firestore, and Push Notifications.
• Built and maintained app architecture using BLoC for effective state management and scalability.
• Integrated RESTful APIs and ensured reliable data flow between the app and backend services.
• Actively collaborated using GitHub for version control, code reviews, and pull requests.
• Contributed to the design and development of new features, ensuring smooth integration with existing architecture.
• Diagnosed and resolved bugs and performance issues across multiple devices and OS versions.

Junior Flutter developer in Space Scutum
April, 2024 - July, 2024 | Ukraine
• Flutter Developer in Flutter team.
• He was engaged in updates and releases of versions of the application in the App Store and Play Market.
• Configured subscriptions and purchases in the App Store and Play Market.
• Worked with GitHub repository.
• Worked on the implementation of new features in the application.
• Fixed errors and bugs that appeared in the application.

Trainee Flutter developer in Space Scutum
January, 2024 - April, 2024 | Ukraine
• Flutter Developer in Flutter team.
• He was engaged in updates and releases of versions of the application in the App Store and Play Market.
• Configured subscriptions and purchases in the App Store and Play Market.
• Worked with GitHub repository.
• Worked on the implementation of new features in the application.
• Fixed errors and bugs that appeared in the application.
Teacher in School
September 2012 - up to now | Ukraine
• teacher of computer science and mathematics.
• maintenance of computer equipment.
• Google G-Suite for Education administrator of the institution.

Projects
Project
ProСвітло (Power Outage Schedule App)
Technologies
Git, Dart, Flutter, BLoC, Firebase (FCM, Cloud Messaging), Google Mobile Ads, REST API, Dio, SharedPreferences, GoRouter, Sqflite
Duration
November 2025 - Present
Position
Flutter Mobile Developer
Tasks & Duties
Developed a cross-platform mobile application for monitoring power outage schedules with real-time notifications and multi-address tracking.
Implemented Firebase Cloud Messaging to deliver instant updates on schedule changes and power status.
Designed scalable state management using the BLoC pattern and optimized batch API requests for efficient multi-address status retrieval.
Integrated Google AdMob monetization with banner and interstitial ad formats.
Implemented device-based authentication via backend API with support for notification preferences management.
Built local persistence using SharedPreferences and Sqflite to enable offline access and improve performance.
Localized the application into Ukrainian and English to enhance accessibility and user experience.
Link in PlayMarket
https://play.google.com/store/apps/details?id=com.yuzak.prosvitlo
Link in App Store
https://apps.apple.com/ua/app/proсвітло/id6758559984

Project
CheapIT
Technologies
Git, Dart, Flutter, API, HTTP, BLoC
Duration
September 2024 – June 2025
Position
Flutter Mobile Developer
Tasks & Duties
Developed a cross-platform mobile application for ordering from shops and restaurants, including product search, advanced filters, and a favorites system.
Implemented geolocation-based discovery and integrated seamless payments via Apple Pay and Google Pay.
User authentication was handled via Firebase Authentication, and the app supported push notifications for order status updates and promotions.
Built using Flutter with BLoC (Cubit) for state management and RESTful API integration.
The application was fully localized into three languages (Ukrainian, English, and Hebrew) to ensure a better user experience across regions.

Project
Scutum Mobile Security
Technologies
Git, Dart, Flutter, Provider, Rest API, Shared preferences, HTTP, Geolocator, crypto, sqflite
Duration
January , 2024 – July, 2024
Position
Flutter Mobile Developer
Tasks & Duties
Developed new functionality of the application. Fixed existing bugs and errors.
Updated new versions of the app in stores.
In stores, he set up purchases and subscriptions through the application.
Link in AppStore
https://apps.apple.com/ua/app/scutum-mobile-security/id1551391981
Link in PlayMarket
https://play.google.com/store/apps/details?id=com.space.scutum.mobile.security&hl=uk

Project
X-CITY
Technologies
Git, Dart, Flutter, WebView
Duration
2023
Position
Flutter Mobile Developer
Tasks & Duties
Developed an application for displaying the company's web page for use in the application
Project
Weather program
Technologies
Git, Dart, Flutter, API, HTTP, Geolocator
Duration
2023
Position
Flutter Mobile Developer
Tasks & Duties
Developed an application for displaying the weather by API key, device geolocation and city name search

Project
Rick and Morty
Technologies
Git, Dart, Flutter, BLoC, API, Shared preferences
Duration
2023
Position
Flutter Mobile Developer
Tasks & Duties
Developed an application to display cartoon series characters with detailed character information and character search

Project
Coordinates
Technologies
Git, Dart, Flutter, Get X, Hive
Duration
2023
Position
Flutter Mobile Developer
Tasks & Duties
Developed a game application with three levels of difficulty with drawing coordinates

Project
Fiveteen.
Technologies
Git, Dart, Flutter, Get X, Hive
Duration
2023
Position
Flutter Mobile Developer
Tasks & Duties
Development of a fifteen puzzle game with three levels of difficulty and recording of results.

Education

Vinnytsia Mykhailo Kotsiubynskyi State Pedagogical University
Teacher of computer science and mathematics
September 2008 - June 2013 | Ukraine

Additional Education

• 2022 – python programming courses
• 2023 – Dart and Flutter
• 2023 – Learn Flutter for developing mobile applications for iOS and Android Course - Udemy

Professional Qualities

• ability to maintain a Windows-based PCs;
• ability to set up computer networks;
• ability to work with Adobe Illustrator, Adobe Photoshop;
• knowledge of programming languages: Pascal, C++, C#, JavaScript

Personal Qualities

• Responsibility;
• efficiency;
• sociability;
• initiative.

Languages

English — Pre-Intermediate
Ukrainian — Native