Technical Leader with 11+ years in software engineering and 5+ years leading engineering organizations (teams of 10 to 50 engineers). I design and lead delivery of high-throughput, distributed microservices platforms — most recently e-wallet systems processing 5M+ transactions/day, peaking at ~10,000 TPS. Domain depth across Banking & Finance, Telecom, Healthcare, Logistics, and Insurance.
📄 Resume / CV · 🔗 LinkedIn · ✉️ duyhoangptit@gmail.com
ecommerce-backend ⭐ 68 — E-commerce backend simulation built with Node.js/Express, covering catalog, cart, orders, and payment flows.
fraud-detection-service — Real-time transaction fraud scoring service on the Drools rule engine; business rules are Excel-based decision tables that can be updated live, without redeploying.
file-platform — Large-file platform supporting upload/download/export via pre-signed URLs, with integrated virus scanning.
spring-job-quartz — Large-volume batch job scheduling combining Quartz Scheduler with Spring Batch for heavy data-processing workloads.
vetautet-app — High-performance service on Spring Boot 4.1 / JDK 21, demonstrating Kafka, Redis, MinIO, and PostgreSQL patterns for high-throughput workloads.
notification-platform — High-performance service on Spring Boot 4.1 / JDK 21, demonstrating Kafka, Redis, MinIO, and PostgreSQL patterns for high-throughput workloads.
identity-service — High-performance service on Spring Boot 4.1 / JDK 21, demonstrating Kafka, Redis, MinIO, and PostgreSQL patterns for high-throughput workloads.
Currently deepening Flutter & Swift.