Software Engineer
CurrentProject TicketBox is Vietnam's leading online event ticketing platform.- Achieved a 2x performance boost and 50% cost reduction by rebuilding the architecture TicketBox with a 100% Golang implementation.- Designed and developed a Queue Customer Waiting Room system to handle massive event traffic (BlackPink, WestLife, Super Junior, etc.) with peak 300k CCU, 25k RPS, and P95 latency <= 100ms.- Significantly improved search and listing event performance, reducing latency by 70%, through the implementation of a CDC system for PostgreSQL and sink to Elastic Search.Project Buy Now Pay Later: Offer installment plans for physical product purchases on Tiki using a credit-based payment account.- Led a backend team (5 members) to develop the product from scratch, used by 100k users daily.- Integrated with partners Home Credit and Lotte Credit to design and implement core features.- Mentored and trained junior engineers on best practices, code reviews, and architectural design.