Володимир

Volodymyr Paniush Lviv, Ukraine

Flutter Developer [open contact info](look above in the "contact info" section)
[open contact info](look above in the "contact info" section)

Summary
Flutter Developer with 6 years of experience building cross-platform mobile applications
across healthcare, fitness, service, and other domains. Skilled in integrating Firebase and
REST APIs, with a strong focus on clean architecture using the BLoC pattern, OOP, and
SOLID principles. Experienced in full app lifecycle – from development to successful
deployment on the App Store and Google Play. My skills include a practical, solution-oriented
approach and effective problem-solving. Confident communicator in English (upper-
intermediate), with experience working directly with international teams and clients.

Skills
• Languages & Frameworks: Dart, Flutter.
• Development Principles & Methodologies: Clean Code, Clean Architecture, OOP,
SOLID, DRY, KISS.
• Backend & APIs: Firebase, REST, GraphQL.
• State Management & Navigation: Cubit, BLoC, RxDart, GoRouter.
• Data Handling: Dio, SharedPreferences, Hive.
• Maps: Leaflet, OpenStreetMap.
• Multimedia & System Integration: just_audio, video_player, Flutter Local
Notifications, Firebase Cloud Messaging, flutter_unity_widget.
• Payments & Subscriptions: Stripe, RevenueCat.
• Tools & Platforms: Git (GitHub, GitLab, Bitbucket), Postman, Android Studio, VS
Code, Claude Code, FVM.
• Project & Team Collaboration: Jira, Trello, Monday.com, Notion, Miro.
• Analytics & Monitoring: Mixpanel, Firebase Analytics, Firebase Crashlytics,
Smartlook.

Experience
Flutter Developer
KeyToTech / Lviv, Ukraine / August 2019 – April 2021
Flutter Developer
Perpetio / Lviv, Ukraine / February 2022 – present

Selected Projects
Project 1
Duration: 2.5+ years.
Roles: Flutter Developer, Flutter Team Lead, app maintenance.
Tech stack: Flutter, Cubit, Firebase, Unity integration, RevenueCat.
Built a hearing healthcare app with training games, assessments, and articles. Led
development and team coordination using Flutter, Cubit, Firebase, and Unity for immersive
features.

Project 2
Duration: 3 months.
Roles: Flutter Developer.
Tech stack: Flutter, Cubit, Dio, REST, RevenueCat.
Developed a mobile app for parents to train football with their children through structured
exercises and guided courses. Implemented smooth networking with Dio and REST, state
management using Cubit, and integrated RevenueCat for managing subscriptions and in-app
purchases.

Project 3
Duration: 6 months.
Roles: Flutter Developer.
Tech stack: Flutter, BLoC, GraphQL.
A golf-focused fitness app that helps users improve their performance through structured
training programs, guided workouts, and targeted exercises. Users can follow personalized
training schedules and track their progress through a sequence of workouts.

Project 4
Duration: 6 months.
Roles: Flutter Developer.
Tech stack: Flutter, BLoC, Dio, Open Street Maps.
Developed a mobile app for discovering and creating categorized events, presented in list
and map views using Open Street Maps. Responsible for the full mobile development cycle,
with BLoC for state management and Dio for network communication.

Education
Lviv Physics and Mathematics Lyceum / Lviv, Ukraine / September 2014 – May 2017
Bachelor of Computer Science
Ivan Franko National University of Lviv / Lviv, Ukraine / September 2017 – June 2021
Master of Computer Science
Ivan Franko National University of Lviv / Lviv, Ukraine / September 2021 – December 2022

Languages
• Ukrainian – native speaker.
• English – B2 (Upper-Intermediate).