Over her lifetime, she penned more than forty books of both prose and poetry for children.

She attended school in Tapa and in Tallinn, then graduated from the University of Tartu in the field of Estonian philology in 1952.

After working as a poetry consultant at the Writers' Union of the ESSR from 1956 to 1961, she was forced to resign for ideological reasons.

Afterward, Niit worked as an editor of children's television programmes, and in 1963 became a freelance translator and writer.

[2] Hiob first married folklorist and literary scholar Heldur Niit in 1949.