Architecting GraphQL infrastructure for ML-powered personalization and integrating it with frontend surfaces across Yahoo News. Spearheading the migration of Yahoo's SEO-optimized topical pages from on-prem to cloud. Built services powering homepage content recommendations.

Technologies: TypeScript, Python, GraphQL, AppSync, DynamoDB, AWS, Svelte

Worked on distributed throttling infrastructure at massive scale. Automated provisioning systems, diagnosed and fixed critical distributed systems bugs, and owned operational excellence for key services. Built load testing infrastructure and diagnostic tools that improved support efficiency.

Technologies: Java, Python, Ruby, AWS, CDK/CloudFormation, Distributed Systems

Integrations: Lambda, DynamoDB, SQS, SNS, Kinesis, VPC/PrivateLink, HTTP endpoints

Auth: IAM, Cognito, Lambda Authorizers, JWT/OAuth 2.0

Built real-time multiplayer collaboration tools for the newsroom supporting 100+ concurrent editors. Designed high-scale content delivery infrastructure with event-driven cache invalidation, serving 20M+ daily users at peak. Worked closely with editorial teams on content curation tools.

Technologies: TypeScript, Python, React, Node.js, WebSockets, Redis, Kafka, Next.js, Akamai CDN

Contributed to real-time collaboration systems and high-scale content delivery. Helped establish frontend patterns adopted across engineering teams.

Technologies: TypeScript, Python, React, Node.js, WebSockets

Working with various clients on exciting projects. ReactJS / Node / GraphQL