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Hi, I’m Chayut, a senior mobile developer specializing in React Native and Flutter with a strong focus on security and performance in fintech apps. I enjoy turning complex requirements into elegant, scalable mobile experiences and collaborating closely with product, design, QA, and backend teams in Agile environments. Beyond coding, I love exploring security innovations like Passkeys, SSL pinning, jailbreak detection, and code obfuscation, and mentoring peers to write clean, testable UI-heavy apps.…Hi, I’m Chayut, a senior mobile developer specializing in React Native and Flutter with a strong focus on security and performance in fintech apps. I enjoy turning complex requirements into elegant, scalable mobile experiences and collaborating closely with product, design, QA, and backend teams in Agile environments. Beyond coding, I love exploring security innovations like Passkeys, SSL pinning, jailbreak detection, and code obfuscation, and mentoring peers to write clean, testable UI-heavy apps.

Chayut Prasertsung

App Developer, Front-End Developer, Back-End Developer, +2

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Hi, I’m Chayut, a senior mobile developer specializing in React Native and Flutter with a strong focus on security and performance in fintech apps. I enjoy turning complex requirements into elegant, scalable mobile experiences and collaborating closely with product, design, QA, and backend teams in Agile environments. Beyond coding, I love exploring security innovations like Passkeys, SSL pinning, jailbreak detection, and code obfuscation, and mentoring peers to write clean, testable UI-heavy apps.…Hi, I’m Chayut, a senior mobile developer specializing in React Native and Flutter with a strong focus on security and performance in fintech apps. I enjoy turning complex requirements into elegant, scalable mobile experiences and collaborating closely with product, design, QA, and backend teams in Agile environments. Beyond coding, I love exploring security innovations like Passkeys, SSL pinning, jailbreak detection, and code obfuscation, and mentoring peers to write clean, testable UI-heavy apps.

Available to hire

Hi, I’m Chayut, a senior mobile developer specializing in React Native and Flutter with a strong focus on security and performance in fintech apps. I enjoy turning complex requirements into elegant, scalable mobile experiences and collaborating closely with product, design, QA, and backend teams in Agile environments.

Beyond coding, I love exploring security innovations like Passkeys, SSL pinning, jailbreak detection, and code obfuscation, and mentoring peers to write clean, testable UI-heavy apps.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Javanese

Advanced

Aragonese

Advanced

Work Experience

Senior Mobile Developer (React Native & Flutter) at Bitkub Online Co., Ltd

January 1, 2022 - Present

Lead the development of core features for a leading cryptocurrency trading platform, including real-time trading systems and wallet management. Enhanced app security by implementing Passkey technology, SSL Pinning, Jailbreak Detection, and Code Obfuscation. Improved app stability and performance by refactoring legacy code, optimizing API calls, and reducing screen rendering overhead. Integrated real-time communication features such as WebSockets and push notifications via OneSignal and Braze. Collaborated in an Agile environment, contributing to sprint planning and cross-functional alignment with Backend, QA, and Product teams.

Mobile Developer (React Native) at CODEDIVA

January 1, 2020 - December 31, 2022

Initiated and developed mobile applications for mutual fund trading from the ground up, including system architecture and design patterns. Integrated RESTful APIs (JSON/XML) and managed local data persistence using SQLite. Designed and implemented high-quality UI components based on technical and functional requirements. Ensured code verifiability by writing clean, testable, and well-documented code.