Антон

Anton Korol
Home: Ukraine

Email address: [open contact info](look above in the "contact info" section) Phone: [open contact info](look above in the "contact info" section)

Telegram: @golyy_korol

Gender: Male Date of birth: 19/05/2000 Nationality: Ukrainian

SKILLS
Software development skills
Mobile: Flutter, Dart, BLoC, GetIt (DI), Clean Architecture
Backend & Integrations: REST API, WebSocket, SSE, Firebase, Google Analytics,
Posthog, AppsFlyer
Data: SQL, NoSQL, Hive, ObjectBox
Engineering: SOLID principles, Unit Testing, CI/CD, Git
AI tools: Cursor, Claude CLI
Other: Team leadership, problem solving, Python, Java, Golang

EDUCATION &
TRAINING
[ 01/09/2017 - 30/06/2021 ] Bachelor degree in computer science
“Igor Sikorsky Kyiv Polytechnic Institute” - Institute for Applied System
Analysis

[ 01/09/2021 - 30/12/2023 ] Masters degree in computer science
National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic
Institute”
WORK EXPERIENCE
CleanSmarts
Business/sector: Other service activities
[ 15/01/2024 - 15/01/2026 ] Flutter developer
• Led a small mobile team during part of the project lifecycle
• Regularly use Cursor AI to enhance development productivity:
• Refactoring large Flutter screens into modular and reusable widgets
• Generating boilerplate code (services, models, repositories)
• Assisting with architectural improvements and code organization
• Detecting potential performance issues and unnecessary widget rebuilds
• Worked independently and made technical decisions when required
• Developed and maintained production SaaS mobile application
• Designed and supported BLoC-based architecture with GetIt dependency injection
• Implemented push notifications (Firebase Cloud Messaging)
• Integrated REST APIs and real-time functionality
• Worked with background tasks and isolates for performance-critical operations
• Optimized UI performance and asynchronous data handling along with fixing
various bugs and problems that resulted in a high percentage of crash free users
and sessions
• Participated in the release process, resolved store-related issues, maintained CI/CD

Dreambit
City: Kyiv | Country: Ukraine
[ 10/02/2021 - 15/01/2024 ] Flutter developer

• Developed cross-platform mobile applications using Flutter
• Implemented modular architecture with BLoC state management
• Integrated backend APIs and third-party services
• Implemented analytics and push notifications
• Built reusable UI components and improved maintainability
• Wrote unit tests for business logic
• Collaborated in small agile teams

Traffic Devils
City: Kyiv | Country: Ukraine

[ 04/09/2020 - 08/01/2021 ] Flutter developer
• Developed application features and integrated APIs
• Integrated AppsFlyer and Facebook sdk
• Fixed bugs and improved application stability
LANGUAGE SKILLS
Mother tongue(s): Ukrainian
Other language(s):
English
LISTENING: C1 READING: C1 WRITING: C1
SPOKEN PRODUCTION: C1 SPOKEN INTERACTION: C1
PROFESSIONAL
SUMMARY
Summary
Flutter Developer with 5+ years of commercial experience in building and maintaining
production mobile applications, including SaaS and e-commerce products. Strong
background in developing scalable architecture, performance optimization, background
processing, and CI/CD pipelines.
Experienced in working independently, making architectural decisions, and leading a
small mobile team that led to great results in mobile app stability.