Justin Zhang

Developed and maintained the Back-Office and Marketing Configuration SaaS at Snaplii, implementing payments, risk-detection, user and benefits systems and real-time configuration to improve operational efficiency. Implemented a hybrid inventory procurement system that increased purchase success to 95% and reduced refunds by 40%.

Led backend development and executed user and order data migration from legacy systems for Uni-One Food Group, ensuring data integrity and timely delivery. Coordinated with cross-functional teams to integrate migrated services into production.

Led backend architecture and development of a Clinical Decision Support System for atrial fibrillation, diabetes, and common diseases, integrating AI models and rule engines to deliver scalable decision-support services. Built CI/CD and DevOps practices to improve deployment reliability and performance.

Designed and built a large-scale e-commerce BI platform and ETL pipelines using Hadoop and Spark, enhancing analytics scalability and providing real-time insights through interactive dashboards. Implemented data warehouse structures to ensure data quality and integrity.

Developed government sales systems and built a centralized data warehouse to support reporting and analytics for public-sector clients, improving data accessibility and decision-making. Implemented ETL processes and reporting pipelines for sustained data reliability.

Completed Master of Engineering in Management Science and Engineering at Beijing University of Technology from 2010 to 2013.

Completed Bachelor of Science in Computer Science and Technology at China University of Geosciences (Beijing) from 2000 to 2004.