 On 16 January 2018, he signed with Montenegrin club Budućnost for the rest of the season.On 19 July 2018, Doellman signed a one-year deal with Baxi Manresa of the Liga ACB.Doellman took Kosovan citizenship, and agreed to play with the senior men's Kosovan national basketball team, at the EuroBasket 2017's qualification tournament.