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I am a Principal Engineer in Seattle building and operating critical AWS infrastructure. My work spans distributed systems, HTTP load balancing, web application security, DDoS detection and mitigation, and operational reliability.
I work hands-on across engineering organizations to resolve complex customer and internal issues, lead incident response, improve system resilience, and turn operational lessons into durable platform improvements.
I work on HTTP request-based load balancing with Application Load Balancer (ALB), TCP and UDP connection-based load balancing with Network Load Balancer (NLB), S3's specialized load balancing systems, TLS, and Classic Load Balancer (CLB). My work includes security analysis and critical security improvements, high availability, operational excellence, customer issue resolution, incident management, and root cause analysis. I also learn from customer needs, develop new product features with my team, and launch them to AWS customers. See below.
I work on DDoS detection, mitigation, and response systems, including Shield Advanced and Shield Response, with a focus on calm, effective issue resolution during high-stakes events.
I work on web application security systems that help customers protect applications and services at the edge of their AWS architectures.
Public examples of Application Load Balancer and related security work where I served as Principal Engineer include:
Smart Ride empowers your commute by providing real-time public transit information on your mobile device and on the web. By providing users with real-time GPS-based vehicle arrival predictions, step-by-step trip planning, transit maps, alerts and other transit info, Smart Ride makes transit easier for riders throughout the world.
Codemass is a technology consulting firm that specializes in mobile development and large-scale internet architectures. By employing open source when appropriate and building custom solutions when needed, Codemass has built a solid reputation of consistently delivering on-time, high quality and high value consulting services.
Originally conceived of in a hackathon, SnapFresh helps low-income people in the US find nearby healthy places that accept EBT cards (Food Stamps/SNAP). Available for free to anyone on the web, via SMS, or iOS.
I have contributed to long-running open source infrastructure projects used across the web, including Apache HTTPD, the Apache Portable Runtime, PHP, and Apache Flood. I have also presented practical infrastructure and performance material at ApacheCon and O'Reilly OSCON.
Please refer to my resume for a detailed catalog of my employment history and experience.