Systems Engineering at Scale

Building reliable, event-driven systems that turn complex data into real customer value.

PagerDuty

HIGH-SCALE RELIABILITY & MESSAGING

At PagerDuty, I designed and built event-driven systems that processed large volumes of data, delivered high-impact customer communications, and improved platform security. This work combined distributed systems design, operational reliability, and growth-focused experimentation.

Systems Engineering at Scale — Kafka, AEMS, and Fraud Prevention A portrait-oriented vector diagram showing Apache Kafka event streaming feeding Analytics and Messaging (AEMS) and Fraud Prevention Services. EVENT STREAMING Apache Kafka Real-time events → Real-world impact Analytics & Messaging (AEMS) 750,000 Recipients / Week Automated Data Enrichment Decoupled Pipeline Architecture Fraud Prevention Services Elixir Microservices Separated Evaluation & Creation Auditable Event Streams