He gained a reputation in the field of architecture and construction by first starting off as a Sakan for the construction of Shigaraki no Miya Palace and later working on the construction of Todai-ji Temple and Saidai-ji Temple (Nara City), and the transfer of the national capital to Nagaoka.
紫香楽宮造営司に主典として出向したのを皮切りに以後東大寺や西大寺(奈良市)の造営、長岡京遷都の任に当たるなど主に建築や造営の面で活躍した。