Available to hire
I’m a mobile app developer with over 6 years of experience building fast, scalable, and user-focused apps using React Native and Expo. I specialize in delivering pixel-perfect UIs and seamless user experiences across platforms.
What I Do Best:
- Build and maintain mobile apps in React Native and Expo
- Optimize app performance (profiling, async loading, etc.)
- Collaborate with cross-functional teams (design, backend, QA)
- Deliver bug-free releases with testing
Open to: Remote work opportunities (contract or full-time)
Experience Level
Language
English
Advanced
Khmer
Fluent
Work Experience
React Native Developer at Codingate Co., Ltd
March 1, 2018 - July 1, 2018- Helped ship the MVP version of a React Native app for a local client in under 3 months
- Built UI components based on Figma wireframes, ensuring brand consistency and responsiveness
- Wrote reusable functions and managed API integration with REST services
- Performed QA and manual testing across multiple device environments
- Contributed to early-stage planning and rapid iteration during development sprints
React Native Developer at DCG
July 1, 2018 - August 1, 2024- Built mobile components and views using React Native with Expo, focusing on modular and reusable code
- Developed authentication flows, implemented user sessions, and managed secure local storage
- Tuned animations and transitions to improve UX consistency across platforms
- Assisted QA with identifying and fixing critical bugs across several device types
- Participated in agile development cycles and collaborated on documentation and sprint planning
React Native Developer at Lamudi
August 1, 2024 - August 1, 2025- Developed and maintained high-performing features in a cross-platform mobile app using React Native + Expo
- Collaborated with designers and backend engineers to deliver responsive, pixel-perfect UIs
- Improved app performance by identifying slow renders and optimizing data flow using async strategies & profiling tools
- Implemented push notifications, deep linking, and advanced navigation flows across Android and iOS
- Performed regular QA/code reviews to ensure stability and minimize production bugs
- Actively contributed to release cycles
React Native Developer at Realestate.com.kh
July 1, 2018 - August 1, 2025- Led development of core mobile features using React Native, improving app usability and client engagement
- Integrated REST APIs, managed complex UI states with Redux, and implemented error handling best practices
- Optimized mobile performance, reducing initial load times by 35% and memory usage by 25%
- Conducted cross-platform testing (Android/iOS) to ensure consistent experiences across devices
- Mentored junior developers and contributed to peer code reviews and sprint retrospectives
- Supported deployment pipelines and worked with PMs to deliver features on time
Education
Bachelor of Information Technology at Build Bright University
January 1, 2013 - January 1, 2017Information Technology, Computer Programming, Software Development Skills
Basic and Advanced Course at Korea Software HRD
January 1, 2016 - January 1, 2018Software Development Skills, Training Center
Qualifications
Industry Experience
Software & Internet, Computers & Electronics, Real Estate & Construction
Experience Level
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