- Led the development of a front-end web service using React, integrating Keycloak authenticationand RESTful API communication with microservices to create a responsive and secure interfacethat facilitated standardized electronic reporting and regulatory monitoring for over 100participants in the capital market- Led the revamp of the company's employee management system using Laravel 9 and React, implementing responsive design with Tailwind CSS, resulting in improved user experience especially on mobile devices, 40% faster monthly attendance processing, and reduced reimbursement turnaround from one week to under 3 business days.- Improved a government CCTV Analytics dashboard built with React, implementing advanced object counting functionality using drawn lines/polygons, enabling real-time traffic monitoring, vehicle identification, and data-driven analysis of traffic patterns and violations- Developed a bilingual web-based government platform for human rights violation reporting using React, implementing i18n for language support and a message polling system for case communication, completing both public and admin sites 2 months ahead of schedule- Developed and delivered 15+ diverse web applications, including business management systems and e-commerce platforms, consistently meeting deadlines and exceeding client expectations while contributing to company's annual target achievements