After passing the Taisaku (a type of employment examination for officials under Japan's Ritsuryo system), following his posts as Shonaiki (assistant editor) and assistant to the envoy from the Korean kingdom of Bohai, he reached the Jugoinoge (Junior Fifth Rank, Lower Grade) of Monjo hakase (chief calligrapher of the court) and Dainaiki (chief editor).
対策（律令制における官吏採用試験の一種）に合格した後、少内記・掌渤海客使を経て従五位下文章博士兼大内記に至った。