Bin Hsu

Full platform ownership: 4–5M requests/day, 5 AWS accounts, 3 regions, 479 CF templates, 155 Jenkins pipelines. ProxySQL: 5,000 DB connections → 29, eliminated 6,000+ daily timeouts. RTPEngine: decoupled media/signaling. ISBC: zero-restart cutover. Grafana alerts migrated to IaC. Led AWS Taipei region migration end-to-end. ISO 27001/27701 + DR drills, 3 years. AWS Certified Solutions Architect – Professional (March 2026).

Enterprise cloud communications platform (5,000+ enterprise clients, 33,000+ users). Designed zero-downtime migration framework (GreenBlueSwitcher) — idempotent, single Jenkins trigger, no version pinning, multi-branch support. Zero Trust input validation, SQL injection prevention, audit logging, 3× API response time improvement. Reduced engineer onboarding 6 months → 2 months via structured training curriculum.

IP surveillance hardware manufacturer (Delta Electronics subsidiary), 120+ countries. GAEA — Crash-safe storage SDK (C/C++ + Boost). Data integrity under power failure and hot-swap HDD. VAST — Cross-platform recording server (C/C++ + wxWidgets + Boost, Linux/Windows). DeviceCenter — OpenVPN-based camera management platform (C/C++ + Qt) managing 1,000+ IP cameras across transportation, petroleum, and enterprise. Wrote OpenVPN client SDK in C. Led 3-person offshore team.