I am a professional React Native developer with 6 years of experience. I have worked on and released dozens of applications, including AR apps, cluster-map systems, native bridge integrations, video streaming platforms, language-learning apps, video-based course apps, RFID applications, and many other diverse projects.

Purevsuren Adiyasuren

I am a professional React Native developer with 6 years of experience. I have worked on and released dozens of applications, including AR apps, cluster-map systems, native bridge integrations, video streaming platforms, language-learning apps, video-based course apps, RFID applications, and many other diverse projects.

Available to hire

I am a professional React Native developer with 6 years of experience. I have worked on and released dozens of applications, including AR apps, cluster-map systems, native bridge integrations, video streaming platforms, language-learning apps, video-based course apps, RFID applications, and many other diverse projects.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
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Expert
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Language

English
Advanced

Work Experience

Senior Mobile Engineer at United Nations - ESCAP
February 1, 2025 - Present
Initiated TensorFlow Lite frame processor integration for real-time odometer and fuel pump image quality validation, preventing low-quality photo submissions and improving transaction accuracy by 32%. Developed custom native RFID tag reader module, eliminating legacy barcode/QR code dependencies and implementing encrypted transaction protocols, reducing security vulnerabilities by 27%. Engineered isolated transaction and image upload architecture with background sync, exponential backoff retry logic, and offline-first persistence, reducing data loss by 78% and ensuring reliable delivery in poor network conditions.
Lead Mobile Engineer at Pikd
November 1, 2022 - February 1, 2025
Implemented comprehensive Maestro E2E testing with CI/CD automation, reducing manual QA time from 12 hours to 45 minutes per release, accelerating deployment frequency by 3x, and catching regressions 80% faster. Merged object detection and mesh algorithms, achieving a 34% size reduction and 21% faster 3D object rendering. Customized Objective-C geospatial API, enhancing GPS precision by 40%, facilitating 3D object navigation similar to Google Street Live View, improving the navigation experience in a React Native application. Conducted app-wide memory optimization, implementing efficient resource management and fixing memory leaks, eliminating OOM crashes and reducing crash rate by 67%.
Tech Team Lead at TomYo EdTech
March 1, 2022 - October 1, 2022
Led a 5-member team in developing 'TomYo Skills' overseeing mobile, web, and backend, achieving a notable 20% time-to-market reduction through streamlined processes and resource optimization. Developed a smart income distribution solution based on video views, which automatically calculates income for content creators, eliminating the need for manual calculations and saving 20 hours per month in administrative tasks. Increased customer conversion by 28% through the implementation of interactive animations inspired by Apple.
Full-Stack Software Engineer
November 1, 2019 - March 1, 2022
Utilized the Atomic Design Methodology to establish a comprehensive application design system, yielding a substantial 45% enhancement in component reusability. Designed a comprehensive Story Book for all components, effectively reducing development time by 26% and fostering enhanced collaboration among team members. AWS infrastructure setup including EC2, Route53, SSL, S3, Blue-Green Deployment, and CI/CD pipeline.
Mobile Engineer at Stoovo
February 1, 2021 - June 1, 2021
Developed, maintained, and optimized React Native components, screens, and features for the mobile app, leveraging Test-Driven Development (TDD) practices to ensure high-quality code and optimal user experience.

Education

Bachelor of Computer Science in Information System at Mongolian University of Science and Technology
August 1, 2016 - January 1, 2020

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Education, Media & Entertainment, Professional Services

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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