- Led the design and implementation of the HTS code classifier system. Crafted a design doc detailing a continuous training pipeline and a live inference service, leveraging Dagster for pipeline orchestration and gRPC for APIs- Demonstrated exceptional project management skills by breaking down complex tasks into trunks, effectively delegating responsibilities to 4 engineers, and ensuring timely and successful execution of the project- Successfully reduced human intervention by over 90% in auditing existing HTS classifications and by 30% in manual classifications for new products, enabling the company to serve a larger clientele without increasing headcount

- Owned the Org’s OKR to scale up to 10x active customers, defined the roadmap and led a team of 3 to deliver, helped streamline the new customer onboarding process, reducing onboarding time from 2~3 weeks to 2~3 days- Drove cross-discipline coordination with PM, DS and Design to deliver new features that help customers reduce human effort required, which in turn, earns us more revenue. (e.g. one feature increased our revenue by 30%)- Worked with Account Managers (AM) to help identify common repetitive tasks, then designed, and built tools for them, reducing human errors by 80%, saving both AM and dev time more than 8 hours per week- Collaborated with external software provider partners to integrate, enabling more customers to onboard with us

- Collaborated with cross-functional teams to develop Amazon’s Seller Central Partner Network to provide a one-stop shop for 6.3M Amazon sellers to discover and manage applications for their unique business needs- Promoted adoption of new technologies, designed and built the first API Gateway + Lambda service in the org, resolved multiple practical issues with innovative solutions, and gave talks sharing my experience and tips- Designed and built data infrastructure to collect, extract, transform, load, and visualize business metrics, which processes 25K rows of data daily with minimal operation load (~0.1 ticket/week). The data is widely used by 7 teams- Led a team of 4 engineers from two teams to migrate an application off a monolithic system to a new stack using React frontend and REST backend, increased service quality by 20% while reducing the operation cost by 70%- Conducted and provided feedback for 20+ interviews, mentored 2 new hires and 2 interns- Owned the Sprint planning meeting, helped manager plan out the work and ran the bi-weekly Sprint planning meeting- Rated Top-Tier in annual performance review

- Teamed up with PM to design and implement new Amazon Delivery features for 200M Amazon customers. E.g. One feature allowed customers to receive their items in fewer packages, saving millions of dollars of shipping cost a year.- Documented launch guide to expand new features to new marketplaces, reducing onboarding effort by 60%.- Provided code reviews to peers, helped improve team processes