JD's front-line business personnel include positions such as product operation, logistics management, marketing planning, technology research and development, customer service, and administrative management, all of which are directly related to JD's daily operations and business development.

Product operation positions are mainly responsible for the purchase, sales, and inventory management of products. They need to establish a stable cooperative relationship with suppliers and achieve efficient circulation of products through excellent purchasing capabilities, inventory management capabilities, and sales skills.

Logistics management positions are responsible for the operation and management of JD's self-operated logistics, including warehousing management, distribution management, and transportation management. They need to comprehensively consider logistics costs, efficiency, and service quality to achieve continuous optimization of the logistics system.

Marketing planning positions are responsible for the formulation and implementation of JD's overall marketing strategy, including advertising, promotional activity planning, brand promotion, etc. They need to be keenly aware of market trends and user needs, and use effective marketing methods to increase JD's market share and user stickiness.

Technical R&D positions are responsible for the innovation and development of JD’s technology, including software development, data analysis, artificial intelligence, etc., and require deep professional skills and innovation capabilities to promote JD’s leading position in the field of technology.

Customer service positions are responsible for JD users’ inquiries, complaints, after-sales and other needs, and require good communication skills and problem-solving capabilities to improve JD’s user satisfaction.

Administrative management positions are responsible for the management of various administrative affairs within JD, including human resources, financial management, legal affairs, etc., and require solid administrative management knowledge and good communication and coordination skills to ensure the stability and efficiency of JD’s internal operations.

In general, JD’s front-line business personnel play an important role in the company’s daily operations and business development. They need to have professional skills and knowledge, as well as good communication skills and teamwork spirit to promote the company’s development and enhance user experience.