Olexandr

OLEKSANDR PEREHINCHUK
FLUTTER DEVELOPER
Kyiv, Ukraine | [открыть контакты](см. выше в блоке «контактная информация») | [открыть контакты](см. выше в блоке «контактная информация»)
LinkedIn: [открыть контакты](см. выше в блоке «контактная информация»)
GitHub: https://github.com/Paregeha

PROFESSIONAL SUMMARY

Flutter Developer with 2+ years of commercial experience building and supporting mobile applications.
Strong background in Flutter, Dart, BLoC, Cubit, REST API integration, Clean Architecture, OOP, SQL,
Firebase, SQLite, Provider, and responsive UI development. Experienced in building scalable and
maintainable applications with go_router navigation, backend integrations with Strapi and Stripe, and
implementing Figma-based designs. Skilled in creating adaptive cross-platform solutions focused on
performance, usability, and clean code structure. Have experience on Java Back(2-nd dev on Project
CRM)

CORE SKILLS

- Flutter/Dart
- BLoC/Cubit, REST API, Dio, Clean Architecture, OOP
- SQL, SQLite, PostgreSQL
- Firebase, Strapi, Stripe,
- go_router, Responsive UI/ Adaptive UI, Figma, State Management, Navigation, Cross-platform
Development, UI Layout, Mobile UI Implementation, Web Layout
- Java, Spring, Hibernate, Docker, JDBC

PROFESSIONAL EXPERIENCE
Flutter Developer | Avada Media (Space Lab) | Kyiv / Remote | January 2025 – Present
● Developed and maintained mobile applications using Flutter and Dart.
● Built scalable app architecture using Clean Architecture principles and OOP.
● Implemented state management using BLoC, Cubit, and Provider depending on project
requirements.
● Integrated REST APIs and worked with backend services including Firebase, Strapi, and Stripe.
● Designed and developed responsive and adaptive UI based on Figma designs.
● Worked with local and cloud data storage solutions including SQLite and Firebase.
● Implemented structured navigation flows using go_router.
● Focused on maintainable code, reusable components, and smooth user experience across
devices.
● Created mobile UI layouts for commercial applications based on design specifications.
● Worked on interface implementation for both mobile applications and web pages.

EDUCATION

National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”
Faculty of Electronics
Master’s Degree in Micro- and Nanosystems Technology
2017 – 2023
 Ukrainian — Native
English — B1

ADDITIONAL DETAILS
LANGUAGES
Location preference — Remote

PROJECTS

Kitty — Money Tracking Application
Tech stack: Flutter, Dart, SQLite, go_router, Responsive UI

https://github.com/Paregeha/Kitty

● Developed a mobile application for tracking income and expenses.
● Implemented financial statistics with chart visualization for better spending analysis.
● Added the ability to customize category icons for a more personalized user experience.
● Used SQLite for local data storage and management.
● Built navigation using go_router.
● Designed a responsive UI for different screen sizes.

Fairy Tales Recording Application
Tech stack: Flutter, Firebase, Cubit, go_router, Adaptive UI

https://github.com/Paregeha/audioFairyTail

● Developed an application for recording and playing fairy tales.
● Implemented user registration and authentication.
● Used Firebase for backend functionality and data storage.
● Managed application state with Cubit.
● Built adaptive UI for different device types and screen dimensions.
● Implemented navigation structure using go_router.
● Focused on smooth audio-related user flows and user-friendly interaction.

LokMart — Delivery Store Application
Tech stack: Flutter, BLoC, Strapi, Stripe, REST API, Dio, go_router, Adaptive UI

https://github.com/Paregeha/LokMart

● Developed a mobile store application with product browsing and delivery functionality.
● Integrated REST API communication using Dio.
● Implemented business logic and state management with BLoC.
● Integrated Strapi as a backend solution for content and data management.
● Connected Stripe for payment-related flows.
● Built adaptive UI for different screen sizes and devices.
● Implemented navigation and app routing using go_router.
FromUSA — Mobile Application UI Layout
Tech stack: Flutter, Dart, Responsive UI, Figma

● Implemented UI layout for a mobile application based on provided design specifications.
● Built responsive and adaptive screens for different mobile device sizes.
● Translated Figma designs into clean and maintainable Flutter UI components.
● Focused on pixel-accurate interface implementation and user-friendly visual structure.

Discovery — Single-Page Website Layout
Tech stack: Flutter Web / Web Layout / Responsive UI

https://github.com/Paregeha/DiscoveryEarth

● Developed the layout for a single-page website called Discovery.
● Implemented a responsive interface structure for different screen sizes.
● Focused on clean visual presentation and accurate design implementation.

Car Wash CRM — Internal Management System(2nd dev)
Tech stack: Java / CRM // Business Logic

https://sona-crm.com/auth/sign-in

● Developed a CRM system for managing car wash business processes.
● Implemented features for client management, service tracking, order handling, and internal
workflow organization.
● Focused on improving operational efficiency, data management,

Company Website, Admin Panel & Telegram Bot — Internal Management System
Tech stack: Java / Spring / PostgreSQL / Telegram Bot API / Admin Panel

https://wildcreo.com/en

● Participated in the development of a company website, internal admin panel, and Telegram bot
for business process management.
● Worked on functionality related to content management, operational workflows, database
interaction, and communication between system components.
● Contributed to backend logic implementation, data synchronization, and automation of internal
processes through the Telegram bot.