• Architected global customer account solution for Walmart Commerce Platform, leveraging Cosmos, Kafka, microservices, Java, NodeJS, and GraphQL to unify markets across multiple regions and improve scalability

• Led team ARB (Architecture Review Board) to mentor engineers, refine design patterns, and ensure alignment of architecture/roadmap with PMs and cross-functional engineering teams, driving improved collaboration and efficiency

• Developed an innovative test framework with auto-generation from GraphQL schema, featuring detachable mock/spy/report plugins, achieving 100% test coverage and enhancing testing efficiency and reliability

• Developed a NodeJS-based federated GraphQL subgraph and data loader for OpenAPI, optimizing customer account and post-transaction workflows, reducing traffic by 70% and significantly improving performance

Built IoT home automation micro services in node.js with cloud service integration, like Amazon Alexa, Gmail/Google drive, Twitter etc.

Acquired by Apple.

Build content tool team to implement content ingestion system supporting multiple formats with media transformation. Re-architect the system to AWS for huge performance gain with scaling processing cluster using SLURM.

Lead web dev team to take over outsourced CMS with responsive layout and GTM/GA tracking. Transit the team into 1 week sprint to stream- line the marketing requests with test automation and no downtime deployment.

Work with PM, marketing , big data, analytics, content op, editors, and UX teams to define roadmaps, features, and schedules. Manage diverse remote resources in LA, Vancouver, and Utah.

Report to VP & CEO and built RD/QA teams in US and China to develop large scalable web based digital signage system, device management system, and Android/Window CE tablet system/utilities.

Co-found the startup and invented innovative real-time WYSIWYG web transformation system in C++/Java Window/Linux and web design tool for mobile.