Chinese artificial intelligence (AI) start-up DeepSeek has posted a flurry of new job openings on the professional networking site LinkedIn over the past week, coinciding with Meta Platforms’ aggressive hiring blitz amid an intensifying global race for AI talent. The Hangzhou-based company listed 10 new positions online, including two internships focused on large language models. Other roles include deep learning researchers, core systems engineers, front-end developers and full-stack engineers,...