•Efficiently communicated and negotiated project progress with Korean counterparts, ensuring timely task completion.•Successfully completed system architecture and database design.•Responsible for the development of backend main services.•Contributed to frontend development and modifications.•Managed AWS cloud services.

•Implemented automated code inheritance and deployment, enhancing team development efficiency.•By controlling development quality, I effectively eliminated app crash errors.•I led the implementation process and efficiently completed tasks.•Extensively involved in product commercialization, user requirement analysis, and behavior analysis, which were reflected in the product.•Formulated development strategies, established frameworks, and allocated resources efficiently.

•Optimized server utilization through architectural design improvements.•Through well-planned system architecture and database design, I improved QPS (Queries Per Second).•I developed and maintained a video-on-demand system, which significantly enhanced user engagement.•I led a team of 6 members, including front-end and back-end developers, in the development of video and music apps.•I spearheaded user experience and interaction optimization, resulting in excellent user reputation.

•Negotiated business models with Korean partners and continuously adjusted business architecture.•Requirement analysis.•Prototype design.•System architecture analysis.•Write core models.•Led user experience and interaction optimization.

•Siemens PLM (Product Lifecycle Management) system requirement management.•Sales of Siemens PLM system and NX design software based on requirements.

•Develop and maintain systems according to company requirements.•Travel to Korea to participate in MES system development tasks.