He went to school, first, in Malang in East Java before moving to Gadjah Mada University in Yogyakarta to study economics.

[1] Sukadji began his career as the head of the accounting and budget division at the Indonesian state railroad company, PNKA, from 1957 until 1959.

He was chair of the Yogyakarta Branch of the Ikatan Sarjana Ekonomi Indonesia (Indonesian Economic Scholars Association) between 1966 and 1968.

[1] In addition to his academic duties, Sukadji served in various capacities at the national level.

[1] Sukadji was buried at the University's school burial grounds at Kawansan Sawitsari, Sleman.