Zhe Liu

About Zhe Liu

Experience software backend engineer, with cloud computing platform, large scale…

Experience

1. Software Development Engineer

   Amazon

   Jul 2023 — Present · Bellevue, WA, US

   Contributed to Amazon Recommerce Pricing and Innovation Health team, responsible for monitoring the pricing status of used, refurbished, and returned products to optimize customer satisfaction and operational efficiency.• Led the design and implementation of a microservice to evaluate the health status of specified listing items at designated fulfillment centers. Achieved an 80% improvement in calculation efficiency, enabling data-driven decisions on whether to liquidate inventory.• Designed and developed customer-focused features and built REST APIs from requirements gathering through to production launch. Delivered high-quality code and robust solutions that met demanding customer and operational needs. • Migrated critical pricing algorithms from a legacy monolithic service to a scalable, decomposed microservices architecture. This migration enhanced the service\'s scalability, reliability, and maintainability.• Proactively resolved multiple customer-impacting issues by leveraging cross-module code analysis and facilitating cross- team collaboration, ensuring timely and effective solutions.• Championed the adoption of modern operational best practices, including Continuous Integration and Continuous Deployment (CICD), End-To-End testing, health checks, logging, metrics, alerting, runbooks, and robust authorization policies. Ensured high service availability and operational reliability.