Kheang

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Frontend Developer at Wing

@kheang

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Senior Frontend Developer with experience in React, TypeScript, and mobile/web app development. Skilled in building secure, scalable UIs, cross-platform apps, and financial systems. Passionate about clean code, performance, and accessible design.

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Senior Frontend Transformation Developer

Wing (2025 - Present)

• Built performant, responsive React + TypeScript apps with secure, API-driven UIs for Loan Origination Systems. • Designed accessible, WCAG-compliant interfaces with Tailwind CSS and Material UI. • Developed real-time dashboards for loan tracking and analytics using WebSockets and charting libraries. • Collaborated cross-functionally to turn business requirements into smooth user experiences. • Ensured reliability with unit, integration, and UI tests integrated into CI/CD pipelines. • Applied security best practices to guard against XSS, CSRF, and related threats. • Contributed to Agile processes, including sprint planning, stand-ups, and code reviews. • Boosted speed and scalability via Lighthouse audits, lazy loading, and code splitting.

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Senior Software Engineer

NHAM24 (2023 - 2025)

• Developed high-performance mobile applications with Expo and server-rendered web apps with Next.js. • Styled responsive user interfaces using Tailwind CSS and shadcn/ui, ensuring consistent and modern design. • Integrated third-party services and APIs, enhancing application functionality and user experience. • Wrote and maintained unit and integration tests using Vitest, ensuring high code quality and reliability. • Worked with NextAuth for authentication and implemented i18n with Next.js for multilingual support. • Optimized applications for performance and scalability using techniques like lazy loading and server-side rendering.

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Lead Mobile Developer

Mediaload (2018 - 2023)

• Design and develop cross-platform applications for iOS and Android using React Native. • Create optimized and well-documented code adhering to design patterns and architecture standards. • Ensure software functionality, manage technical debt and implement updates for software maintenance. • Incorporate software components to build a fully functional system while implementing security and privacy principles. • Collaborate with cross-functional teams, participate in meetings, provide support, and contribute to code reviews throughout development. • Production and technical support for the mobile apps upon launch and deployment to AppStore (iOS) and PlayStore (Android)

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Web Developer

Morakot Technology (2016 - 2017)

• Developed and maintained the Core-banking System using Python with the Flask web framework, ensuring robust and efficient functionality. • Utilized Jinja templating engine to create dynamic web pages, enhancing user experience and interactivity. • Collaborated with cross-functional teams to gather and analyze system requirements, translating them into effective web solutions. • Implemented data modeling and database design using SQLAlchemy to optimize data storage and retrieval. • Ensured code quality and performance through rigorous testing and code reviews, maintaining high standards of security and reliability.