Kammala jumla mai zuwa: Bayan hidimarsa a Indiya, Davy ya shiga kuma ya shiga aiki a matsayin Kyaftin a cikin 4th Bengal Volunteer Battalion a lokacin
mamayewar Java da kuma kifar da masu mamayewa na Dutch. Yana da ilimin yaren Malay / Javanese kuma ya yi aiki a kan bukatar Sir Samuel Gibbs (sa'an nan Kanar) a matsayin Sakatarensa kuma mai fassara da fassara ga Sir Stamford Raffles. Ayyuka sun haɗa da aikawa a matsayin wani ɓangare na jakadan zuwa masarautar Yogyakarta kafin karɓar wannan birni. Bayan nasarar da Birtaniyyawan suka samu, an ba shi mukamin Mataimakin Kwamishina mai aiki kuma ya yi aiki a matsayin Mazaunin, Ma'aji da Alkali a Surabaya, Bangkalan (a kan bukatar Sarkin Madura wanda abokinsa ne) da Cirebon. An san shi sosai a Cirebon saboda karɓar kuɗin haya mai yawa. Davy ya fassara kuma ya ba da gudummawar takardu daga wannan lokacin zuwa laburaren Bodleian. Ya bar Java a shekara ta 1815.