HANG PEI

- Designed and built scalable data pipelines for a core threat intelligence platform, ingesting and normalizing large-scale network intelligence datasets for downstream analytics.

- Designed domain registration data platform, managing over 1 billion domains with approximately millions of new daily registrations.

- Replaced third-party WHOIS providers, saving over $200,000 annually while improving data coverage.

- Engineered a certificate transparency crawling and streaming pipeline, ingesting and storing terabytes of certificate data in a distributed database.

- Implemented batch pipelines for global IPv4 ownership and BGP datasets, monitoring public registry resources.

- Developed real-time monitoring pipelines to assess metrics of domain ingestion systems, including throughput and coverage.

- Built Kubernetes-based Microservices and API servers with read optimized dataset to enable high-throughput threat investigation workflows on data platform.

- Deployed multi-vendor NaaS infrastructure, enhancing reliability across distributed network platforms.

- Developed Python automation tools to monitor over 400 network gateways, enhancing operational scalability.

- Designed and implemented capacity management platform using Django, MySQL, and Tableau for infrastructure planning.

- Created scripts for system monitoring and alerting, reducing response times.

- Provided tier II support for managed voice and IP services, handling provisioning, troubleshooting, and maintenance to ensure service reliability.

- Developed and deployed multi-tenant virtual infrastructure within service provider network for telecommunication services, achieving 99.99% uptime.