Starting on 4 September 2015, Bošnjak appeared as a contestant on the second season of
Pinkove Zvezdice. On the first show, Bošnjak sang
Jennifer Hudson's song "
One Night Only". All five judges,
Milan Stanković,
Jelena Tomašević,
Goca Tržan,
Hari Varešanović and
Leontina Vukomanović, turned their chairs up and voted him directly into the next round. At his second appearance he sang
Zdravko Čolić's "
Kao moja mati" (
Like My Mother) and advanced into the next round. On 6 January 2016, Bošnjak sang a rendition of
Jadranka Stojaković's "Što te nema" (
Why Are You Not Here). During the next episode, on 8 April 2016, Bošnjak performed
Adele's "
Don't You Remember". In the final, Bošnjak re-sang "Što te nema" and won the competition. On 17 December 2021, Bošnjak was announced as one of the fourteen participants in , the national contest for
Croatia's
Eurovision Song Contest 2022 entry, with the song "Moli za nas" (
Pray For Us). At the close of voting, the song had received 179 points, placing second in a field of 14. "Moli za nas" was officially released on 10 February 2022 as Bošnjak's debut single. On 27 April 2022, it was announced that Bošnjak would compete in the 62nd edition of the
Split Festival with the song "Pjesma za kraj" (
Ending Song). A year later, in early 2023, Bošnjak released his third single "Spokojan" (
Calm). On 14 April 2023, Bošnjak released his fourth stand-alone single "Nema" (
There Is No). In June 2024, Bošnjak performed at that year's
Zagreb Pride. In September 2024, Bošnjak performed at a charity show for
Gaza at Zagreb's Klub Močvara, the proceeds of which were donated to the
UNRWA. In November 2024, he released his seventh single "Takav dan" (
Such a Day), lyrically inspired by
Zana's 1982 hit "Dodirni mi kolena" (
Touch My Knees). The lyric "" ("I'm beating you with the apartment key") sparked controversy and caused Bošnjak to be accused of promoting
domestic violence; on
HRT 1's show , he told Iva Šulentić that the lyric recontextualizes one of Zana's lyrics and is "a
hyperbole, an
intertextuality... Like a small threat, but not too serious." On 5 December 2024, Bošnjak was announced as one of 24 participants in , the Croatian national selection for the
Eurovision Song Contest 2025, with the song "
Poison Cake". On 24 February 2025, Bošnjak was announced to compete on
the ninth season of the singing reality television series
Tvoje lice zvuči poznato, the Croatian edition of
Your Face Sounds Familiar. On 2 March 2025, Bošnjak won , and was set to represent
Croatia at the Eurovision Song Contest 2025 in
Basel, Switzerland. Following his victory, on 18 March, it was announced that Bošnjak would no longer participate in
Tvoje lice zvuči poznato from the eighth episode onwards; at that point, only two episodes had been aired. Over the course of seven episodes, the last of which aired on 20 April 2025, he impersonated
Mladen Grdović,
Madonna,
Zdravko Čolić,
Miley Cyrus,
Toše Proeski,
Lady Gaga and
Lepa Brena. On 13 May 2025, Bošnjak performed in the first semifinal of the
Eurovision Song Contest 2025, where he earned 28 points, placing twelfth and failing to qualify for the grand final. == Artistry and influences ==