Sarun Daunghirun

Application Developer | T.C.C. Technology Co., Ltd.

Jul 2025 - Present

• Built APIs using Fastify for a sustainability platform, enabling data collection teams to define emission metrics, questionnaire structures, collection periods, and multi-level approval workflows.

• Implemented Kafka consumer services to maintain replica tables synchronized from upstream services, keeping local data consistent without direct service coupling.

• Developed and maintained a shared React component library with Storybook, enabling consistent UI and reuse across microfrontend applications.

• Collaborated with Business Analysts to translate requirements into tasks and coordinate sprint planning, ensuring features were delivered on time.

Software Developer | Synergy Global Network Co., Ltd.

Aug 2023 - Jul 2025

• Developed a CRM LINE LIFF application using React and DaisyUI, rendering features including point redemption, redemption transaction history, and news content served from a backoffice configuration system.

• Built frontend for a coastal sea depth platform using Mapbox GL JS, rendering multiple geospatial layers base maps, satellite imagery, digital elevation models to support visualization and analysis of sea depth data.

• Implemented a hierarchical storage quota system for a document management platform using Next.js and NestJS, enforcing parent-child limits to prevent over-allocation and maintain consistent resource control across departments.

• Applied atomic design principles to build reusable UI components, reducing duplication and enabling the frontend codebase to scale efficiently as new features are developed.