Alex

CONTACTS
ALEKSANDR KARPOV
Senior Flutter & Android Engineer
Location: Odesa, Ukraine
Phone/TG: [open contact info](look above in the "contact info" section)
PROFESSIONAL SUMMARY
Email: [open contact info](look above in the "contact info" section)
LinkedIn:
[open contact info](look above in the "contact info" section)
Senior Flutter & Android Engineer with 8+ years of commercial experience architecting and delivering scalable mobile
84
applications across E-commerce, Enterprise Logistics, FinTech, Healthcare, and AI industries. Expert in Flutter, Kotlin
Native, and Kotlin Multiplatform (KMP), with deep proficiency in Clean Architecture, MVVM, offline-first system design, and
CORE SKILLS high-load performance optimization.

PROFESSIONAL EXPERIENCE
Languages
Kotlin, Dart, Java, Python, Swift

Senior Flutter Engineer — 'LTD' OkappsAI
Mobile Tech Sep 2025 – May 2026 | Ukraine (Full-Time)
Flutter, Android SDK, Jetpack Project: Ok Trip AI — AI-powered travel assistant generating personalized routes and audio guides
Compose, Kotlin Multiplatform
(KMP) ● Architected and developed key cross-platform features for AI-powered travel planning, driving user engagement.
● Integrated OpenAI and Gemini APIs to enable personalized route generation and dynamic audio guide

Architecture recommendations.

Clean Architecture, MVVM, SOLID, ● Optimized rendering performance and network response caching, improving application stability and UI
Offline-First responsiveness.

Tech Stack: Flutter • Riverpod • OpenAI • Gemini • Firebase • Google Maps • REST API
State Management
Riverpod, Bloc, Provider Senior Flutter / E-commerce Engineer — 'LTD' WebDevs
Apr 2025 – Apr 2026 | Ukraine (Apr 2025 – Aug 2025: Full-time | Sep 2025 – Apr 2026: Part-time / Advisory)

Networking & DB Project: Otak.ua — Large-scale Ukrainian e-commerce platform for consumer electronics and appliances
REST API, GraphQL, Dio, Retrofit,
● Engineered and optimized core high-traffic e-commerce workflows, including complex product filtering, catalog search,
Room, SQLite, Hive, Drift
and checkout conversion.
● Designed advanced caching and local persistence strategies for large product catalogs, significantly reducing network
AI Integration overhead.
OpenAI, Gemini, Claude, MCP
● Implemented scalable state management and UI state restoring for cart, wishlist, and payment processing modules.
● Transitioned to an advisory and maintenance role after full feature delivery to maintain production stability.

DevOps & Interop Tech Stack: Flutter • Riverpod • REST API • GraphQL • Local Caching • Firebase
Firebase, Docker, CI/CD, GitHub
Actions, FastLane, Method Senior Flutter Engineer / iOS Developer — 'LTD' CodiFier
Channels, Hardware I/O
Sep 2024 – Mar 2025 | Ukraine (Part-time / Hourly)
EDUCATION
Project: Heilberg Solutions — Healthcare platform

● Developed cross-platform Flutter and native Swift modules for healthcare tracking and AI assistant workflows.

Decision Systems Engineer Tech Stack: Flutter • Swift • Riverpod • OpenAI • Firebase
State Univ. of Informatics & AI
09/2006 – 07/2011 | Ukraine Senior Android Kotlin / KMP Enterprise Engineer — 'LTD' Digital Galaxy
Mar 2023 – Sep 2024 | USA (Contract)

Web Developer Course
Project: EMS Technician — Enterprise field service platform for HVAC technicians
ItStep ● Designed and implemented custom offline synchronization for heavy enterprise asset data using Kotlin Multiplatform
03/2013 – 01/2014 (KMP).
FEATURED APPS ● Guaranteed 100% reliable app performance and data integrity for technicians operating in zero-connectivity
environments.
● Streamlined complex enterprise service forms and automated task execution logging.
izibank
Tech Stack: Kotlin • Kotlin Multiplatform (KMP) • Android SDK • SQLite • Offline Sync
Mobile Banking & Modernization Senior Android Kotlin / Flutter Developer — JSC TASCOMBANK
Google Play Store Feb 2021 – Feb 2023 | Ukraine (Full-Time)

Project: izibank — Leading mobile banking application
Otak.ua
High-load E-commerce Platform
● Developed core mobile banking features, high-security transactional flows, and banking integrations.
Google Play Store ● Modernized legacy Android codebases (Java to Kotlin) and contributed to cross-platform Flutter implementations.

Tech Stack: Flutter • Kotlin • MVVM • REST API • Firebase • Mobile Banking Security
Heilberg
Field Service & KMP Offline Sync Senior Flutter Developer — 'LTD' Logistics OS
Google Play Store Mar 2022 – Jan 2023 | USA (Part-time / Subcontract)

Project: Mobile Planner — Courier application with real-time route optimization
Ok Trip AI
AI Route Assistant & Guides ● Built route planning and real-time navigation optimization modules integrated with Google Maps SDK.
Google Play Store
Tech Stack: Flutter • Google Maps • REST API

BMBY CRM
Flutter Developer — 'LTD' BMBY-Dreams
AI Route Assistant & Guides
Feb 2020 – Jan 2021 | Israel (Full-Time)
Apple App Store
Project: BMBY — Mobile CRM platform for real estate

● Developed Flutter applications, custom UI components, and integrated backend CRM capabilities.

Tech Stack: Flutter • REST API • Firebase

Android / Desktop Java Developer — 'LTD' Aplit-Soft
Jun 2018 – Jan 2020 | Israel (Full-Time)

Project: Hardware device integration

● Developed Android mobile solutions and desktop software (JavaFX) with hardware integration via Bluetooth & COM
interfaces.

Tech Stack: Java • Kotlin • Android SDK • JavaFX • Bluetooth