• Lead weekly intensive group meetings and personalized one-on-one tutorials on Calculus II concepts.• Diagnose specific challenges students face and provide targeted resources and practice questions.

• Contributed to Data Transformation, Examination and Analysis System Technology (EAST) Submission, and Research System Development projects.• Converted 65 tables between suppliers with Oracle PLSQL ensuring data integrity. • Conducted table structure analyses, processed XML files, and integrated with Oracle PLSQL.• Coordinated data collection for 71 tables in EAST, pinpointing data sources, and resolving discrepancies.

• Lead market research, product positioning, and guide R&D direction.• Collaborated on product development and conducted 3 product iterations based on feedback.• Sold more than 200 products through the school and received 4,000 yuan in start-up capital.• Conduct weekly marketing and offline campaigns on platforms such as TikTok to expand online presence.• Collaborated with factories to mass produce 1000+ products; wrote financial reports and budget planning.• Won the second prize of China Youth Achievement Award and received corporate support.