◦ Collaborated with the Product team to design a new task-management system, maintain backward compatibility, and

ensure frontend cache validity for 80+ venues, 600+ weddings, and 100+ vendors.

◦ Spearheaded the development of email notification systems for stakeholders, resulting in a 20% reduction in the

Customer Service team’s manual tasks.

◦ Implemented the company’s new homepage using React.js, archived outdated workflows, redesigned for better

adaptability, and enhanced user experience.

◦ Monitored production server health using AWS CloudWatch. Triaged and resolved high-severity bugs within 24

hours using Sentry.

◦ Implemented a robust GraphQL server capable of handling user registration for the 6th Vietnamese Empowerment

Summit. Designed and led the server implementation using Node.js, Express.js, and MongoDB, supporting

registration for up to 400 users.

◦ Deployed a scalable and secure containerized environment on DigitalOcean, preventing data breaches through

security monitoring.

◦ Established a DNS connection with the application’s name server and configured a TLS/SSL certificate acquisition

mechanism to ensure secure communication between system component