I'm Rafayel Chechanov, a React Native Developer with over 6 years of experience crafting high-performance, cross-platform mobile apps. I write clean, efficient JavaScript and TypeScript code, and I build native modules using Swift, Java, and Kotlin. I'm proficient at leveraging state management tools like Redux, MobX, and Zustand, integrating payment gateways (Stripe, Apple Pay, Google Pay, in-app purchases), and delivering polished UI with multi-language support. I also enjoy mentoring junior developers to foster growth and collaboration.

Rafayel Chechanov

I'm Rafayel Chechanov, a React Native Developer with over 6 years of experience crafting high-performance, cross-platform mobile apps. I write clean, efficient JavaScript and TypeScript code, and I build native modules using Swift, Java, and Kotlin. I'm proficient at leveraging state management tools like Redux, MobX, and Zustand, integrating payment gateways (Stripe, Apple Pay, Google Pay, in-app purchases), and delivering polished UI with multi-language support. I also enjoy mentoring junior developers to foster growth and collaboration.

Available to hire

I’m Rafayel Chechanov, a React Native Developer with over 6 years of experience crafting high-performance, cross-platform mobile apps. I write clean, efficient JavaScript and TypeScript code, and I build native modules using Swift, Java, and Kotlin.

I’m proficient at leveraging state management tools like Redux, MobX, and Zustand, integrating payment gateways (Stripe, Apple Pay, Google Pay, in-app purchases), and delivering polished UI with multi-language support. I also enjoy mentoring junior developers to foster growth and collaboration.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Language

Armenian
Fluent
English
Advanced

Work Experience

React Native Developer at Locator CJSC
June 1, 2021 - Present
Currently upgrading and maintaining a legacy React Native app environment, improving development stability and compatibility with newer libraries. Implemented map clustering to enhance maps screen performance, reducing marker load time by ~33.7%. Refactored state management and fixed key logic bugs to improve functional accuracy and reduce user-reported issues by ~27%. Led the development of new sections and charts to enrich user insights. Maintained local SQLite offline storage and resolved critical background location tracking issues using native modules and background tasks. Built 5 production apps from scratch, enabled USB hardware integration (Arduino/serial devices), and facilitated BLE connectivity for stable data transmission and real-time interaction. Implemented multi-language support via i18n and backend translations, increasing downloads by ~87.6%. Integrated Stripe, Apple Pay, Google Pay, and in-app purchases for cross-platform payments. Added 3D globe map views on iOS for
React Native Developer at Locator CJSC
June 1, 2021 - Present
Upgraded legacy React Native app environment, improving development stability and compatibility with latest libraries. Integrated map clustering to enhance maps screen performance, reducing marker load time by 33.7%. Refactored state management and fixed key logic bugs, improving functional accuracy and reducing user-reported issues by 27.4%. Developed and launched new sections and charts to enrich user insights. Maintained local storage with SQLite for offline data. Resolved background location tracking issues using native modules and background tasks, ensuring consistent reporting. Built five production apps from scratch with new features. Enabled BLE connectivity and USB communication with Arduino devices. Implemented multi-language support using i18n and backend translations, increasing downloads by 87.6%. Integrated Stripe, Apple Pay, Google Pay, and In-App Purchases for cross-platform payments. Added 3D globe map views in iOS for geospatial visualization. Mentored a junior develo
React Native Developer at Locator CJSC
June 1, 2021 - Present
React Native Developer responsible for upgrading and stabilizing a legacy React Native app, improving compatibility with latest libraries and platforms. Led cross-functional efforts to optimize maps screens with map clustering, reducing marker load time by 33.7%. Reworked state management using Redux, MobX, and Zustand to improve functional accuracy and significantly cut user-reported issues by 27.41%. Built and shipped new sections and charts to enrich user insights, and maintained local storage with SQLite for offline use. Implemented hardware integrations via USB with Arduino and serial devices, and enabled seamless BLE data transmission for real-time interactions with devices. Delivered multi-language support via i18n with backend-managed translations, boosting downloads by 87.6% and enabling cross‑platform payments through Stripe, Apple Pay, Google Pay, and in-app purchases. Added 3D globe map views for iOS, and mentored junior developers on best practices, debugging, and code o
React Native Developer at Locator CJSC
June 1, 2021 - Present
Upgraded legacy React Native app environment to improve development stability and compatibility with latest libraries. Integrated map clustering, reducing marker load time by 33.7%. Refactored state management and fixed key bugs, reducing user-reported issues by 27.41%. Developed new sections and integrated charts to enrich user insights. Maintained local database using SQLite for offline storage. Resolved background location tracking issues with native modules. Built 5 production apps from scratch that are actively used. Enabled hardware integrations via USB with Arduino and serial devices. Developed mobile app for BLE devices ensuring stable and real-time data transmission. Implemented multi-language support increasing downloads by 87.6%. Integrated Stripe, Apple Pay, Google Pay, and In-App Purchases for payments. Added 3D globe map views on iOS. Mentored junior developer on best practices, debugging, and optimization.
React Native Developer at Telcell CJSC
May 31, 2021 - July 12, 2025
Enhanced and maintained core application and optimized payment functionality. Implemented QR code-based ticketing and validation system, increasing active users by 57.2%.
React Native Developer at Telcell CJSC
May 1, 2021 - September 29, 2025
Enhanced and maintained core app functionality and performance. Developed and optimized the app's payment features and flows. Implemented QR code-based ticketing and validation system, contributing to a 57.2% increase in active users.
React Native Developer at Telcell CJSC
May 1, 2021 - September 29, 2025
Enhanced and maintained core application; developed and optimized the app's payment functionality; implemented QR code-based tickets and validation system, increasing active users by 57.2%.
React Native Developer at Telcell CJSC
May 1, 2021 - September 18, 2025
Enhanced and maintained core React Native application. Optimized the app's payment functionality and implemented QR code-based ticketing and validation system, increasing active users by 57.2%. Drove cross-functional improvements to reliability and performance of in-app transactions.

Education

Bachelor's Degree at Yerevan State University
September 1, 2015 - June 30, 2021
Bachelor's Degree in Informatics (Computer Science) at Yerevan State University
September 1, 2015 - June 1, 2021
Bachelor's Degree in Informatics (Computer Science) at Yerevan State University
September 1, 2015 - June 1, 2021
Bachelor's Degree in Informatics (Computing Science) at Yerevan State University
September 1, 2015 - June 1, 2021

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Financial Services, Telecommunications, Computers & Electronics