Іван

Ivan Yakoviv
Flutter Developer | Cross-Platform Expert
Location: Ukraine | Email: [відкрити контакти](див. вище в блоці «контактна інформація») | Phone: [відкрити контакти](див. вище в блоці «контактна інформація»)
LinkedIn: [відкрити контакти](див. вище в блоці «контактна інформація»)
GitHub: https://github.com/TheIvasyl

PROFESSIONAL SUMMARY
Flutter Developer with 8+ years of total mobile engineering experience (4+ years dedicated
to Flutter). Expert in building scalable cross-platform architectures using BLoC, Redux, and
Clean Architecture. Deep background in native Android (Java/Kotlin), providing a unique
advantage for complex platform integrations and performance tuning. Proven success in
driving business growth through A/B testing, CI/CD automation, and high-performance UI
development.

TECHNICAL SKILLS
• Flutter Expert: Dart, BLoC, Redux, State Management, Custom Widgets, Method
Channels, Navigator 2.0

• Native Foundation: Android (Kotlin, Java, Jetpack), iOS (Swift basics), Native Interop

• CI/CD: GitHub Actions, App Store Connect, Google Play Console

• Testing & Quality: Unit Testing, Widget Testing, Integration Testing, Flutter Inspector

• Integrations: Salesforce REST API, Firebase (Remote Config, AB Testing), Appsflyer,
Amplitude, Google Maps, Websockets

• Architecture: Clean Architecture, SOLID, OOP, Design Patterns, Agile/Scrum

PROFESSIONAL EXPERIENCE
Zutobi | Flutter Developer Feb 2024 – Present

Zutobi is a leading EdTech platform for driver education. Developed high-traffic features for
DMV permit preparation.

• Architected and implemented core learning features using BLoC/Redux to improve user
engagement.

• Spearheaded A/B testing strategies using Firebase to optimise app conversion rates and
revenue growth.

• Automated deployment pipelines with CI/CD tools, reducing release cycle time and
improving build reliability.
IQVIA OCE | Flutter Developer Jul 2021 – Jan 2024

CRM platform for pharmaceutical sales, focused on enterprise data synchronisation and
Salesforce integration.

• Developed a high-performance Salesforce data connector using Flutter, enabling real-
time access to OneKey databases.

• Refactored complex UI modules into a reusable library, accelerating feature development
by 30%.

• Ensured seamless cross-platform parity through extensive debugging of platform-specific
behaviours in iOS and Android.

• Integrated Salesforce REST API for secure, enterprise-grade data exchange.

AbbVie & Abbott | Android Developer Sep 2019 – May 2021

Healthcare ecosystem apps focused on clinical nutrition and patient monitoring.

• Optimised mission-critical data structures for patient risk assessment tools using Android
Jetpack.

• Engineered secure synchronisation layers for Salesforce-based medical tracking.

• Consolidated and modularised legacy codebases to improve maintainability and security
compliance.

Customertimes / Blipic | Mobile Developer Feb 2020 – Mar 2021

• Launched a Loyalty Management B2C application MVP from scratch using Flutter and
BLoC.

• Developed a custom Android library for optimised Salesforce API communication.

• Implemented real-time geolocation features using Google Maps API for corporate HR
portals.

eTachki / anyCars | Android Developer Mar 2017 – Oct 2018

• Developed a real-time car bidding system using Websockets for low-latency auction
updates.

• Implemented a multi-flavour build system to support Ukrainian and Polish market
localisations.

• Collaborated with backend teams to optimise API response times for concurrent auction
participants.
EDUCATION
Master’s Degree in Cybersecurity
National Aviation University

LANGUAGES
English: Full Professional Proficiency | Ukrainian: Native