1. Maintained and enhanced a large GKE cluster with hundreds of deployments (Kubernetes, ArgoCD, Fastly)

2. Implemented a comprehensive monitoring and alerting system with Prometheus and Grafana, later integrated with Datadog

3. Designed and implemented a complex cache buster pipeline for MLB's high traffic headless publishing platform with RabbitMQ and Spring Cloud Dataflow (Spring, Java, Kotlin)

4. Designed and implemented a disaster recovery strategy for active-active high availability cluster

5. Designed and implemented the MLB sitemap generation pipeline (Typescript, Java, Spring, Kotlin)

6. Maintained and improved the MLB internal admin tool and search site frontend (React, Webpack)

7. Designed and implemented a robust task processing system for generating ballot card (Java, Spring)

Optimized the build process that powers ask.com and hundreds of other sites to make full use of the multi cores CPU to parallelize tasks which greatly reduced the build time

1. Designed and implemented an A/B test platform with reporting pipeline and admin system (Typescript, Kotlin, Next.js, Golang)

2. Designed and implemented a B2B Ecommerce platform with Stripe (Java, Spring, React, Redux)

3. Designed and implemented an appointment system with Quartz scheduler (Java, Spring, React, Redux)

4. Designed and implemented a SEO site framework with Next.js allowing distributing millions of SEO optimized pages (Typescript, Next.js, Redis)

5. Designed and implemented an Admin gateway system allowing distribution of admin apps (Express proxy)

1. Micro-frontend based multi-experiences build process with Webpack and React/Redux, supporting code splitting and async module loading.

2. Spring based backend service that support A/B test and reporting for analytics