Володимир

Volodymyr Felyk
Senior Flutter Developer / Senior Mobile Engineer
[відкрити контакти](див. вище в блоці «контактна інформація») | [відкрити контакти](див. вище в блоці «контактна інформація») | LinkedIn
Ivano-Frankivsk, Ukraine | Available for remote opportunities

PROFESSIONAL SUMMARY
Senior Flutter Developer with 10+ years in mobile development and 5+ years of commercial Flutter experience.
Built complex mobile products in fintech, healthcare, and multimedia domains, with expertise in scalable Flutter
architecture, native integrations, performance-sensitive UI, and real-time features.
Hands-on experience across Flutter and native Android, including video/streaming solutions, CI/CD, mentoring,
and end-to-end feature ownership.
Practical use of AI tools for development workflows, assistant features, and secure API integrations in mobile
products.

TECHNICAL SKILLS
●​ Languages: Dart, Kotlin, Java
●​ Flutter: Riverpod, BLoC, Provider, Flutter Hooks, Melos, AutoRoute, GoRouter, Dio, Custom Canvas,
Platform Channels
●​ Android / Native: Android SDK, ExoPlayer, OpenGL ES, Android Sensors, Multimedia Framework,
RenderScript
●​ Data & APIs: REST, GraphQL, WebSockets, Isar, Hive, Drift, Realm, SQLite
●​ Tools & DevOps: Firebase, CodeMagic, Azure Pipelines, Bitrise, Sentry, Datadog, Git
●​ AI / Integrations: LLM API Integrations, Prompt Engineering, Codex, Cursor
●​ Practices: Scrum, feature estimation, code review, mentoring, technical documentation

PROFESSIONAL EXPERIENCE

Senior Flutter Engineer | SoftConstruct​ Jan 2024 – Mar 2026
Cryptocurrency exchange platform (P2P trading, Futures, real-time order flows)
●​ Architected a scalable multi-module Flutter architecture with Melos, improving code organization and
enabling parallel feature development across 3 engineering teams.
●​ Delivered core product features for P2P exchange and Futures trading, including margin-related logic and
liquidation scenarios.
●​ Built real-time functionality using WebSockets and REST APIs for trading-related flows and chat features.
●​ Implemented chart-related features for trading scenarios using the Flutter Canvas layer.
●​ Developed custom Flutter plugins and platform integrations for native Android and iOS libraries.
●​ Contributed to feature estimation, technical clarification, onboarding of new team members, and faster
engineering workflows using ChatGPT and Cursor to accelerate implementation and code coverage
Technologies: Flutter, Riverpod, Flutter Hooks, Dio, AutoRoute, WebSockets, REST APIs, Melos, Canvas,
UnitTests, WidgetTests, BDDTests

Senior Flutter Engineer | SpSoft​ Dec 2021 – Dec 2023
Digital health platform — psychosocial support, medication management & symptom tracking
●​ Improved application stability and increased crash-free user rates by 30% through proactive monitoring with
Sentry and Datadog.
●​ Developed and released the Flutter Web version of the product, extending platform availability from a shared
codebase.
●​ Implemented authentication features, including biometric login and custom SSO.
●​ Set up and maintained CI/CD pipelines with CodeMagic to improve delivery reliability and reduce manual
release effort.
●​ Refactored application modules to improve maintainability, overall performance and long-term scalability.
●​ Mentored Flutter and Android engineers and led internal knowledge-sharing sessions on navigation and deep
linking.
Technologies: Flutter, BLoC, GoRouter, Hive, GraphQL, Branch, Sentry, Datadog, Firebase, CodeMagic
Flutter Tech Lead | GlobalLogic​ Jun 2021 – Dec 2021
Healthcare SaaS — patient registration & clinical task management platform
●​ Defined the application architecture for a healthcare product focused on patient registration and task
management.
●​ Collaborated directly with the client on requirements elaboration and technical decisions.
●​ Set up CI/CD processes using Microsoft Azure Pipelines and mentored team members.
Technologies: Flutter, Dart, Moor, Dio, BLoC, Azure Pipelines

Senior Flutter Engineer | GlobalLogic​ Dec 2020 – Jun 2021
Enterprise video player — live streaming & VOD playback
●​ Developed Flutter functionality for a video player application supporting live streams and recorded content.
●​ Adapted existing native Android SDKs for integration with a Flutter-based application.
●​ Led sprint planning and task estimation for the mobile team, while supporting native Android applications and
SDKs in Kotlin.
Technologies: Flutter, Dart, Kotlin, Hive, Moor, ExoPlayer, Platform Channels

Senior Android Engineer | GlobalLogic​ Jan 2019 – Dec 2020
Enterprise multimedia SDK platform — video playback, clipping & white-label streaming
●​ Developed Android SDKs for video playback and clipping/tagging features.
●​ Worked on multimedia-heavy solutions using ExoPlayer, OpenGL ES, and the Android Multimedia
Framework.
●​ Improved SDK integration for applications built with React Native.
●​ Led sprint planning, task estimation, mentoring, and release preparation within the Android team.
Technologies: Kotlin, REST APIs, ExoPlayer, Realm, OpenGL ES, Android Sensors, Firebase

Android Engineer | GlobalLogic​ Nov 2015 – Jan 2019
Panoramic HD video streaming platform with sensor-driven navigation, providing a sense of real presence through
an innovative navigation system.
●​ Developed features for panoramic and HD video applications, including video playback, UI, deep linking, and
social integrations.
●​ Implemented a sensor-based movement system using a gyroscope and magnetic sensors.
●​ Worked on white-label application customization based on shared core functionality.
●​ Configured CI pipelines with Bitrise, maintained local storage with Realm, and built PoC solutions involving
RenderScript and OpenCV.
Technologies: Java, Kotlin, ExoPlayer, Realm, OpenGL ES, RenderScript, OpenCV, Bitrise

EDUCATION
Master’s Degree in Computerized Management Systems and Automation
Ivano-Frankivsk National Technical University of Oil and Gas | 2011 – 2014

LANGUAGES
English: ​ Professional working proficiency (B2)
Ukrainian: ​ Native