According to the LinkedIn job post, the person will be based at Ang Mo Kio in Singapore. The 15 key qualifications applicants require include reading, writing and comprehension skills in both English and Vietnamese, understanding verbal nuances in Vietnamese and having an understanding of the Asia-Pacific region and cultural variations where the language is spoken.

Analysts said the company might be seeking to develop Siri in the Vietnamese market. It currently supports 37 languages, but not Vietnamese.

According to MacRumors forum, an aggregator of Apple-related rumors and reports on the web, Apple is also looking for Ukrainian, Hungarian, Slovak, Czech, Croatian, Greek, Flemish, Romanian, Polish, and Indonesian language specialists.

If successful, it is possible these languages will be added to Siri in the iOS 15 update.

Apple has gone on a hiring spree in Vietnam since the beginning of this year including from senior roles like regional operations.