John Terry

Senior Software Engineer at Google

Built large-scale AI-powered health care systems for clinical summarization, medical retrieval, physician tooling, and health care data pipelines; designed distributed back-end microservices with Java/Go/Node.js/Python; developed React/TypeScript dashboards; implemented retrieval-augmented generation pipelines; integrated OpenAI APIs and LangChain workflows; improved Kubernetes-based infrastructure; mentored junior engineers.

Software Engineer II at Amazon

Built back-end services for Amazon eCommerce (Product Catalog, Cart, Checkout, Order Management, Fulfillment) supporting high-volume global retail transactions; designed Java-based microservice architecture on AWS; built event-driven pipelines using Lambda, SQS, SNS, and Kinesis; optimized DynamoDB, RDS, Redis, S3; improved observability via CloudWatch, DataDog, Grafana; mentored engineers.

Software Engineer at Facebook

Implemented back-end services powering Messenger payments and mobile monetization for large-scale mobile financial platforms; supported global payment processing; built scalable back-end systems with Java, Hack/PHP, MySQL; implemented fraud detection and monitoring.