Backend Engineer

KE.COM 2021 - 2023
  • Built internal cloud platform serving China's largest real estate platform (NASDAQ: BEKE, $20B market cap)
  • Designed and implemented service deployment and resource management system
  • Developed infrastructure for automated scaling and monitoring across thousands of services
  • Improved deployment reliability and reduced provisioning time by 70%

Backend Engineer

DHGATE 2019 - 2021
  • Built payment gateway integration system for cross-border B2B marketplace
  • Implemented merchant settlement system handling multi-currency transactions
  • Developed risk control and fraud detection mechanisms
  • Optimized payment processing pipeline reducing transaction latency by 40%

Skills & Technologies

Languages

Go, Python, TypeScript, SQL

Infrastructure

Kubernetes, Docker, AWS, Terraform, PostgreSQL, Redis

Systems

Distributed systems, API design, Payment processing, Observability, Message queues