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I am an experienced Flutter developer dedicated to building high-quality mobile apps for diverse markets. I specialize in Dart and Flutter, with a strong focus on the full mobile app development lifecycle from development through deployment and maintenance. I thrive in Agile teams, enjoy collaborating with colleagues and clients, and am committed to code quality and knowledge sharing to uplift the whole team's capabilities.…I am an experienced Flutter developer dedicated to building high-quality mobile apps for diverse markets. I specialize in Dart and Flutter, with a strong focus on the full mobile app development lifecycle from development through deployment and maintenance. I thrive in Agile teams, enjoy collaborating with colleagues and clients, and am committed to code quality and knowledge sharing to uplift the whole team's capabilities.

Oleksii Kravchenko

App Developer, Developer, Programmer, +3

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I am an experienced Flutter developer dedicated to building high-quality mobile apps for diverse markets. I specialize in Dart and Flutter, with a strong focus on the full mobile app development lifecycle from development through deployment and maintenance. I thrive in Agile teams, enjoy collaborating with colleagues and clients, and am committed to code quality and knowledge sharing to uplift the whole team's capabilities.…I am an experienced Flutter developer dedicated to building high-quality mobile apps for diverse markets. I specialize in Dart and Flutter, with a strong focus on the full mobile app development lifecycle from development through deployment and maintenance. I thrive in Agile teams, enjoy collaborating with colleagues and clients, and am committed to code quality and knowledge sharing to uplift the whole team's capabilities.

Available to hire

I am an experienced Flutter developer dedicated to building high-quality mobile apps for diverse markets. I specialize in Dart and Flutter, with a strong focus on the full mobile app development lifecycle from development through deployment and maintenance.
I thrive in Agile teams, enjoy collaborating with colleagues and clients, and am committed to code quality and knowledge sharing to uplift the whole team’s capabilities.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Ukrainian

Fluent

Work Experience

Flutter Developer at FreshTech agency

October 1, 2022 - August 4, 2025

Contributed to developing a social app for finding workers in your neighborhood and participated in deployment processes of applications to Apple App Store and Google Play Store. Provided ongoing support and maintenance, monitored application performance, integrated APIs/backend services, and implemented payment systems including subscriptions and in-app purchases. Stayed updated with Flutter framework improvements and best practices while maintaining, publishing, and reviewing mobile apps.

Flutter Developer at One Iota

August 1, 2024 - August 4, 2025

Worked on a 100k downloads e-commerce app (ProDirect:Sport). Participated in code reviews, collaborated in an Agile development environment, studied and presented Clean Code principles to enhance team coding standards, and contributed to the technical documentation of projects using Notion.

Flutter Developer at Foresight Mobile

March 1, 2025 - August 4, 2025

Released a 500k download fitness app for the US market (Bodybuilding.com). Published official Flutter packages on pub.dev, utilized BLoC for state management, implemented local data persistence solutions (Hive, Shared Preferences), and covered the codebase with unit testing.

Flutter Developer at Imagineear

August 1, 2025 - August 4, 2025

Short-term engagement contributing mobile app development expertise.

Flutter Developer at Foresight Mobile

June 1, 2025 - October 16, 2025

Led release of a 500k-download fitness app for the US market (Bodybuilding.com); published official Flutter packages on pub.dev; implemented state management with BLoC to manage app data; enabled local data persistence with Hive and Shared Preferences; wrote unit tests to ensure code quality; integrated Firebase Analytics and Crashlytics for monitoring.

Flutter Developer at One Iota

August 1, 2024 - October 16, 2025

Contributed to a 100k-downloads e-commerce app (ProDirect:Sport); participated in code reviews to improve quality; worked in an Agile environment; studied Clean Code and presented educational slides to improve team coding standards; documented projects in Notion; introduced best UI/UX practices; integrated AWS analytics and scheduled events; worked on native Android (Kotlin) and iOS (Swift) code.

Flutter Developer at FreshTech Agency

October 1, 2022 - October 16, 2025

Contributed to a social app for the US market for pet owners called Zoomies; participated in the deployment process to Apple App Store and Google Play Store; provided ongoing support and maintenance for released applications; monitored performance and addressed production issues; integrated APIs and backend services; kept up-to-date with Flutter framework updates and best practices; implemented payments (Subscriptions, In-App Purchases).