Baidu

Baidu was founded on 18 January 2000 by Robin Li and Eric Xu, building on RankDex, a search engine Li developed in 1996. It is headquartered in the Haidian District of Beijing, was listed on Nasdaq (BIDU) on 5 August 2005 and added a secondary listing in Hong Kong (9888) in March 2021.

It builds China's largest search engine and a range of services around it: Baidu Maps, Baidu Baike, Baidu Wangpan, Baidu Tieba, the ERNIE AI models and ERNIE Bot, and the Apollo Go robotaxi service. Baidu Research runs labs in Beijing and Silicon Valley.

According to Wikipedia, Baidu had 39,800 employees in 2023 and 35,900 in 2024. Its careers site listed 1,668 openings in October 2026, mainly in Beijing, Shanghai, Shenzhen, Guangzhou, Hangzhou and Chengdu.