Valentyn Shvedov

W

React Native Developer

WindSultan

Nov 2025 - Mar 2026 (5 months)

React Native Developer

Dexis

Feb 2025 - Oct 2025 (9 months)

A part-time project, mainly handling batch bug fixes and assisting teams before deadlines.

React native / Flutter developer

WTT Solutions

Feb 2024 - Feb 2025 (1 year 1 month)

- Developed multiple cross-platform mobile applications using React Native Expo, focusing on performance, UX, and modern architecture - Built a video calling application based on Agora SDK for iOS, Android, and web - Implemented key features such as PDF viewing and editing, deep linking, push notifications, and real-time communication - Created demo versions of the same application using React Native and Kotlin to compare performance and platform capabilities - Performed native module patching and debugging for iOS and Android, especially after major OS updates, ensuring compatibility and stability - Modified and extended third-party libraries to fix breaking changes or adapt them to specific platform versions - Independently sourced client

J

Flutter developer

Joyn Chat

Feb 2023 - Jul 2023 (6 months)

- Maintained and enhanced a cross-platform mobile application using Flutter and Dart - Integrated RESTful APIs and implemented server communication logic - Developed user authentication via Email, Apple ID, and Twitter - Designed and built a custom context menu library from scratch - Implemented real-time chat functionality with support for messaging features

T

React Native Developer

The WhyKingz

Oct 2022 - Feb 2023 (5 months)

- Contributed to the development and maintenance of a large-scale online gambling platform featuring a diverse array of HTML5-based casino games, including slots, poker, and blackjack. - Identified and resolved critical bugs and caching issues, enhancing application stability and ensuring real-time data accuracy. - Optimized application performance by reducing load times and improving responsiveness across various devices. - Collaborated with cross-functional teams to implement seamless integration of HTML5 games within the React Native framework. - Utilized tools such as React Native Debugger and performance profiling to monitor and enhance app performance.

React native / flutter developer

EvoPlay

Jun 2022 - Oct 2022 (5 months)

- Created a prototype of a mobile application using React Native and Flutter - Developed and implemented a user interface with a focus on usability and design consistency - Integrated email-based user authentication for secure access to the application - Enabled video streaming and video display via links for multimedia content - Connected the application to the backend via gRPC for efficient data communication

React Native Developer

altRecipe

Jan 2022 - Mar 2023 (1 year 3 months)

- Provided ongoing support for existing applications - Added new features, including a subscription system - Implemented UI changes based on Figma designs - Updated legacy libraries and refactored outdated code for improved performance

React Native Developer

Nfinity

Nov 2021 - Jul 2022 (9 months)

- Maintained and enhanced three mobile applications built with React Native Expo, adding new features and functionality based on client needs - Fixed interface bugs and improved overall user experience across all applications - Developed applications from scratch using React Native Expo, integrating various third-party APIs for dynamic data retrieval - Connected applications to RESTful APIs to facilitate seamless communication with the server - Integrated Google Maps for location-based features and navigation - Implemented real-time data updates from the State Bank of Poland API - Designed and developed user interfaces with a focus on usability, accessibility, and responsiveness - Integrated user interfaces with the WordPress admin panel fo

React Native Developer

Springs

Jul 2021 - Dec 2021 (6 months)

- Developed a delivery module with real-time tracking and status updates - Implemented a real-time chat system for user communication - Integrated the mobile app with the admin panel for data synchronization and management - Built a reporting module to visualize user activity and system metrics - Added push notification functionality to enhance user engagement and alerts - Integrated Google Maps for location tracking and route visualization

B

React Native Developer

Batimllc

Jan 2021 - Jun 2021 (6 months)

- Developed and maintained key features of a cross-platform mobile application using React Native - Implemented a referral program module, including user tracking and reward logic - Built a custom form for sending and managing user rewards - Designed and developed a real-time chat system to enhance user communication - Created a reporting module for user activity and system analytics - Integrated push notifications to improve user engagement and retention - Implemented user authentication via social networks (e.g., Google, Facebook) and email

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Valentyn Shvedov

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