Raduljica began his career playing with the KK FMP junior teams in Serbia.

On 8 July 2010, Raduljica signed a five-year contract with Turkish club Efes Pilsen,[1] but was loaned to Alba Berlin during the season, with which he reached the finals of the German Bundesliga.

[8] On 19 September 2014, Raduljica signed a one-year, $1.5 million guaranteed contract with the Shandong Lions of the Chinese Basketball Association.

[15][16] On 4 December 2015, he had a personal career single-game scoring high in EuroLeague, with 25 points against Barcelona in a 93–86 home win.

[18] On 15 July 2016, Raduljica signed a two-year deal with Italian team EA7 Emporio Armani Milano.

[24] Raduljica subsequently spent the 2022–23 campaign back home with KK Crvena zvezda.

[31] Raduljica also represented Serbia at the 2016 Summer Olympics where they won the silver medal, after losing to the United States in the final game with 96–66.

[32] At the 2019 FIBA Basketball World Cup, the national team of Serbia was dubbed as favorite to win the trophy,[33] but was eventually upset in the quarterfinals by Argentina.

[35][36] Raduljica was named the team's captain due to absence of Teodosić and in 7 tournaments games he averaged 6.1 points, 2.1 rebounds and 1.6 assists.