TRINH VAN HAO

• •Developed and maintained the company website, ensuring optimal performance, usability, and user experience.
• •Managed content updates and improved SEO to increase visibility and organic reach.
• •Designed and deployed media assets to boost brand engagement and recognition.
• •Explored AI integration features for the educational platform.

• •Worked on applied AI projects, learning from data preparation to model development.
• •Built a sentiment analysis model for Ngoc Dung Aesthetic Clinic.
• •Contributed to developing a tea harvesting detection model for Van Thang Cooperative.
• •Collected, processed, and labeled datasets for model training.

Ticket Management & Support Platform

• •Built an enterprise ticket management system based on ITIL/ITSM standards using Next.js, NestJS, TypeScript, PostgreSQL, and TailwindCSS.
• •Developed full ticket lifecycle features (creation, tracking, assignment, resolution, closure) with RESTful APIs, JWT authentication, and role-based access control.
• •Designed scalable frontend architecture using TanStack Query, Zustand, and Shadcn UI to improve state management, UX consistency, and maintainability.
• •Optimized database queries and APIs for improved performance and efficiency.

Human Resource Management System (HRMS)

• •Built a scalable full-stack HRMS from scratch using Next.js, NestJS, Prisma ORM, and PostgreSQL.
• •Developed and integrated core HR features including attendance tracking, payroll processing, leave management, and employee rewards with a visual dashboard for managers.
• •Implemented a secure RBAC system with multiple roles and granular permissions.
• •Designed optimized relational database schema with Prisma ORM to ensure data security, query performance, and scalability.
• •Integrated real-time attendance and leave status updates to enhance operational visibility.