Jung Sup Yoo (Jay Yoo)

Led customer-impacting incident response across NA and APAC as incident manager, coordinating triage, containment, resolution, and stakeholder communication. Ran root cause analyses using traces, logs, and metrics to produce durable fixes, preventive work, and runbooks. Built and maintained an SLO-based reliability program, improving service health visibility and error-budget-driven prioritization. Improved observability using Prometheus and Grafana, raising signal quality and reducing detection and diagnosis times. Orchestrated migration of network infrastructure to Cloudflare, improving DDoS mitigation and global performance while maintaining high availability. Automated operational workflows using Terraform to reduce manual effort and improve production readiness.

Led onboarding for SEA-based clients by translating business goals and data into clear scope, milestones, and success metrics tied to customer outcomes. Managed cross-functional production pipelines for YouTube content and a print-on-demand portfolio, coordinating designers and editors to deliver consistent output on schedule.

Delivered client web and cloud solutions end-to-end, translating business goals into architecture, implementation, and reliable production operations. Led technical discovery and stakeholder communication, presenting options and trade-offs to non-technical decision makers and guiding projects through to launch.

Developed a Chrome extension using JavaScript and jQuery to streamline data extraction and transformation workflows, improving operational efficiency by up to 75%.

Developed a Python application that automated administrative tasks, reducing daily workload by over 40%. Collaborated with a team to process and submit over 200 Canadian visa applications monthly.