Contact information

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Work experience

Career break

from 09.2025 to 09.2026 (1 year)
Medical treatment and recovery

Lead / Staff Flutter Engineer

from 04.2022 to 09.2025 (3 years 6 months)
Onix-Systems, Кропивницький (IT)

Responsibilities:
• Hands-On Development (50%): Maintained active involvement in daily software engineering, taking full ownership of core feature development, complex API integrations, and performance-critical modules across production projects.
• Department Leadership (50%): Led a Flutter engineering department of 6 developers, defining technical strategy, architecture standards, and resource allocation across concurrent projects.
• Architecture: Architected scalable cross-platform mobile, web, and desktop applications utilizing Clean Architecture, BLoC, GetIt, and GoRouter.
• Code Quality & Governance: Established best engineering practices and enforced code quality through strict pull-request reviews and static analysis.
• Mentorship & HR: Managed engineering career frameworks, conducted performance reviews, and mentored junior-to-mid developers to accelerate their commercial delivery.
• Pre-Sales & Stakeholder Management: Partnered with the Sales team and CTO to conduct technical discovery sessions, estimate project scopes, and align engineering capacity with business goals.

Key Achievements:
• Automation & Tooling: Engineered a custom internal MacOS tool that autogenerates production-ready project specific Flutter boilerplates and data layers from Swagger JSON specs, reducing new project setup time to 15 minutes.
• Hands-On Core Delivery: Personally authored critical features, state management layers, and complex integrations for 10+ cross-platform commercial projects alongside department leadership duties.
• Stability & Quality: Achieved a 99%+ crash-free session rate across all production apps by enforcing static analysis, unit test coverage, and automated crash tracking.
• Code Standards: Integrated automated code analysis into CI/CD pipelines, driving project warnings down to <1%.
• Business Growth: Assisted the sales team in securing 10+ new client contracts by conducting technical discovery calls, providing accurate estimations, and building PoC demos.
• Department Building: Spearheaded the creation of the Flutter department from scratch, scaling it to 6 engineers.
• Project Delivery: Successfully delivered 10+ cross-platform commercial projects from discovery phase to production deployment within budget and timelines.
• Talent Development: Designed and taught an internal Flutter training course, onboarding 2 junior engineers who were successfully placed on active commercial projects.
• CI/CD Optimization: Accelerated release cycles by configuring automated deployment pipelines with Codemagic CI/CD and GitLab.

Senior Flutter Developer

from 01.2021 to 04.2022 (1 year 4 months)
Onix-Systems, Кропивницький (IT)

Responsibilities:
• End-to-End Engineering: Architected and developed complex cross-platform mobile (iOS/Android) and web applications from scratch, applying Clean Architecture and modern state management.
• Complex Feature & Native Engineering: Built adaptive/responsive UIs featuring custom graphics and Flame 2D game mechanics. Integrated RESTful APIs, Firebase services real-time WebSockets, payment systems and In-App purchases, and native platform channels.
• Quality & Store Delivery: Managed full release pipelines for App Store and Google Play, enforced code coverage through unit/integration testing, and optimized runtime performance using Flutter DevTools.

Key Achievements:
• Multi-Domain Delivery & Complex Features: Successfully engineered and published 5+ commercial applications across FinTech, Healthcare, E-commerce, and Gamification domains — delivering diverse feature sets such as real-time WebSocket chats, interactive Flame 2D game mechanics, and responsive Flutter Web admin dashboards.
• Store Compliance & Reliability: Maintained a 100% release success rate across App Store and Google Play, resolving critical policy rejections, navigating platform guidelines, and delivering on tight commercial deadlines.

Android Developer (Junior -> Senior)

from 04.2014 to 04.2021 (7 years)
Onix-Systems, Кропивницький (IT)

Responsibilities:
• Native Development: Engineered and maintained native Android applications from scratch using Java and Kotlin, adhering to MVVM architecture and Android Jetpack components.
• Database & Async: Implemented local data storage using Room DB and managed async operations via Kotlin Coroutines and RxJava.
• Networking & Hardware: Integrated RESTful APIs via Retrofit, real-time communication with WebSockets, and hardware protocols (BLE, Wi-Fi Manager).
• Store Publishing: Managed end-to-end publishing processes on Google Play Store, handling compliance, build variants, and release pipelines.
Client & Team Collaboration: Participated in project estimation, sprint planning, and technical communication with international clients and cross-functional teams.

Key Achievements:
• Career Growth: Rapidly progressed from Junior to Senior Android Developer over 7 years, demonstrating continuous technical excellence and code ownership.
• Delivery Track Record: Successfully developed, launched, and maintained 10+ native Android apps across E-commerce, Dating, Enterprise, and Social domains.
• Hardware Integrations: Engineered reliable BLE and Wi-Fi data-exchanging modules for IoT-connected smart devices.

Education

Кіровоградський Національний Технічний Університет

Комп'ютерна інженерія, Кропивницький
Higher, from 2009 to 2013 (4 years)

Knowledge and skills

• Agentic development
• Неконфліктність
• Dart
• Flutter
• Kotlin
• Java
• Swift programming language
• BLoC
• Provider
• Riverpod
• Clean Architecture
• MVVM
• Dependency injection
• GoRouter
• AutoRoute
• Flavors
• TDD
• SharedPreferences
• Flutter Secure Storage
• SQL Databases
• Non-SQL Databases
• Adaptive layout
• Responsive layout
• Animations
• Custom Paint
• Flame 2D
• REST API
• Dio
• Dio utilities
• WebSocket
• GraphQl
• SSL Pinning
• SOAP
• Firebase
• Supabase
• Platform Channels
• Camera SDK
• BLE
• Device sensors
• Deep Links
• In-App purchases
• Stripe
• RevenueCat
• Biometric Authentication
• Codemagic
• GitLab
• Mocktail
• Android Studio
• VS Code
• Antigravity

Language proficiencies

• Ukrainian — fluent
• English — above average

Disability

3rd degree.
Обмежень по роботі не маю.
Бронювання не потребую.