Working at Streaming Analytics team. Developing and operating Apache Pinot.

Worked at the Devops Portal Experience team as a full stack engineer to deliver, maintain and improve a web application, which orchestrates several core developer tools such as build service, deployment, metric explorer, monitoring, log search etc.- Formulated a microservice downgrade model to fulfill the high availability requirement and designed an automated validation process to ensure team-owned micro services can run with a downgrade model and recover automatically from disaster. - Collaborated with multiple teams and led the design of a unified CI/CD pipeline for federated applications across multiple platforms, including Oracle internal, public console, and private cloud- Spearheaded the design and implementation of micro-frontend framework's infrastructure, enabling application federation and resolving multiple security issues including asset validation and automatic vulnerability scanning- Constructed metric and log systems and a versatile domain for the micro-frontend framework, now utilized by over 100 service teams.- Designed and built API authN and authZ system to secure all API usage.- Launched several user interfaces for internal service tools such as Phonebook and Canary Service using TypeScript and React. Onboarded over 10000+ internal customers.- Onboarded and mentored 2 junior engineers and integrated them into the team quickly.Tech-stack: Java, Terraform, React, Typescript, Python

● Developed, debugged and built project management system using Primavera P6 and SQL that consolidated and simplifiedthe management of all projects which contributed to saving 100k in revenue in 6 months.● Formulated and managed customer training session for using customized project management system. My contributions toorganizing training session and after-sale services was able to directly help increase sales volume by 20%.