Staff Infrastructure Engineer — Vanguard SystemsMar 2021 – Present
San Francisco, CA
• Architected event-driven microservices processing 45M daily transactions with 99.99% uptime.
• Reduced AWS cloud compute and database costs by 32% through container rightsizing and caching.
• Mentored 10+ junior and mid-level engineers in distributed systems design and clean architecture.
Senior Backend Developer — Nexus Cloud TechnologiesJun 2018 – Feb 2021
Seattle, WA
• Engineered real-time data sync pipeline utilizing PostgreSQL, Redis streams, and WebSockets.
• Spearheaded automated CI/CD pipeline modernization, slashing deployment lead times from 4 hours to 12 minutes.
• Authored comprehensive architectural decision records and API documentation for partner integrations.