Alibaba's employee ranks are divided into two major series: P series (technical positions) and M series (management positions).

The P series is a technical route, including 14 levels from P1 to P14. These levels represent the professional ability, skills and experience of employees. The specific divisions are as follows:

- P1, P2: general vacancies, reserved for very low-end positions;

- P3: assistant;

- P4: junior engineer;

- P5: mid-level engineer;

- P6: senior engineer;

- P7: technical expert;

- P8: senior expert;

- P9: senior expert;

- P10: researcher;

- P11: senior researcher;

- P12: scientist;

- P13: senior scientist;

- P14: chief scientist.

The M sequence is the management route, which is divided into ten levels from M1 to M10. These levels represent the management capabilities, experience and responsibilities of employees. The specific classification is as follows:

- M1: Supervisor, equivalent to P6-level employees;

- M2: Manager, equivalent to P7-level employees;

- M3: Senior Manager, equivalent to P8-level employees;

- M4: Director, equivalent to P9-level employees;

- M5: Senior Director, equivalent to P10-level employees;

- M6: Deputy, equivalent to P11-level employees;

- M7: Senior Director, equivalent to P12-level employees;

- M8: Vice President, equivalent to P13-level employees;

- M9: Senior Vice President, equivalent to P14-level employees;

- M10: President, the highest level of management position.

Alibaba's job grade system helps the company to conduct scientific and reasonable assessments of employees' abilities, experience and responsibilities, thereby providing employees with more personalized career development paths.