- Developed and deployed 4 projects as a backend engineer, utilizing Python and Flask for REST API creation.- Implemented authentication and logging for APIs, enhancing security measures and easing debugging.- Automated 'Cainiao Ticket processing', resulting in a 100% reduction in task completion time.- Migrated applications to manage identity, eliminating password usage and enhancing security.- Implemented SSFPriority for postage calculation, contributing to a 10% increase in profit margin.

•Built pipelines and Python scripts, automating archive data fetching process to 90% efficiency.•Achieved a 40% cost reduction by converting archived Azure blob files to data lake parquet files.•Developed PowerBI dashboards for client use, providing high-level summarized data lookup and saving significant time.

- Developed the company's official website from its inception to launch, contributing to 50% of the project's implementation.

• Created node scripts to generate test data automatically, saving 100+ hours of manual work each month.• Developed automated testing scripts using Cypress, which improved test coverage by 15%• Collaborated with senior engineers to troubleshoot and debug bugs, ensuring smooth product functioning.

- Built responsive websites that are static and dynamic

- Designed, and developed web pages for the company's official website