Євгеній

YEVHENII
MYKHALSKYI
Flutter developer

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

yevhenii-mykhalskyi Flare Network
2022 - 2024
@zmykhalskyi
“Invoice Maker” - Increased app revenue by 35% through monetization
improvements. Upgraded project SDKs and libraries, developed a
LANGUAGES system for sending invoices by email.
https://play.google.com/store/apps/details?id=com.solid.invoice

English (B1) “Crypto Platform” - Implemented flexible authentication system and
Ukrainian (native) onboarding, increasing signup completion rate by 12%. Built user profile
with charts and graphs, developed platform-adaptive screens
TECHNICAL SKILLS "Honey Logia" - Developed a multifunctional app with admin and client
modes. Integrated Firebase services, customization, bonus and
Dart, Flutter, Web
cashback system, Nova Poshta API, and OTP verification - increasing
RESTful APIs, JSON, http, dio business revenue by 15%.
Git / GitHub / GitLab / Bitbucket
Time2Mobile
State Management (BloC, Cubit,
2024 - 2025
Provider, GetX), Freezed
”ProStar” - Lead developer for the largest football agency in Ukraine.
Firebase Services, push-
Developed event calendar, group chats system, transfer window logic,
notifications, Auth, Deep link PDF sharing, and push notifications with deep linking. Optimized
Google APIs (Maps, Places) database queries and caching, reducing backend costs by 100%

Location tracking, Poligons “Zengate” - Implemented in-app subscriptions via RevenueCat, built
habit tracking system (logic, sessions, progress charts, achievements
OOP, SOLID, Clean Architecture
sharing), and collaborated with iOS team on native integration.
DI (get_It), intl, GoRouter https://apps.apple.com/us/app/zengate-app/id6689521763

Asynchronous principles, Streams “Merchant Mariner” - Led development, optimized Firebase usage to fit
SQLite, Hive, Shared preferences free tier under 100K+ monthly check-ins, reducing backend costs to
zero. Maintained architecture, code quality, and releases.
Android Studio, XCode
https://apps.apple.com/us/app/merchant-mariner/id6503693057
App Store, Google Play, CI/CD https://play.google.com/store/apps/details?id=com.time2mobile.mm_sailors_flutter&hl=en

In-app purchases, RevenueCat “MedPlace” - Developed Flutter Web version of the app, adapting
mobile features for web and ensuring cross-platform UX consistencyand
Backend Cloud functions
expanding platform reach by 20%
(Node.js) Webhook receipts-doctor.web.app

Scrum, Trello, Assana, Jira, Clockify
Genesis
OpenAI Codex, MCP, Copilot,
2025 - 2026
Claude Code, Skills
Tech Lead, R&D Team - Lead Developer in an 12-person R&D team,
architected from scratch a cross-platform ecosystem of 4 mobile
EDUCATION applications featuring proprietary ML-based recognition of coins &
banknotes, gemstones & minerals, sports cards, and antiques - each
Ternopil Technical University
with an integrated marketplace. Drove end-to-end product and
Bachelor of Computer Science
2022-2024
technical decision-making across all stages of development.
Established automated development workflows leveraging bots,
Ternopil Technical College
Copilot and custom Claude Code skills for code generation, code
Сomputer Science specialist review, and CI/CD pipelines.
2018-2022 https://apps.apple.com/us/developer/vortemol-limited/id1527399599
https://play.google.com/store/apps/dev?id=8245414949647897107