Šetkus played his first match of the campaign on 21 November 2011, keeping a clean sheet in the 0–0 draw against Aris Limassol.

[3] During the summer of 2012, Šetkus signed a contract with newly promoted Parva liga club Botev Plovdiv.

After the successful season in Cyprus, in July 2014, Šetkus signed one-year contract with Kerkyra playing in Superleague Greece.

[5] On 2 August, Šetkus made his debut in a 0–1 loss to Hapoel Acre at Sammy Ofer Stadium in the Toto Cup.

[6] On 19 August, Šetkus made his debut in 3–1 victory over Hapoel Ashkelon at Sammy Ofer Stadium in the Israeli Premier League.

On 20 June 2019, Šetkus signed Hapoel Be'er Sheva for two seasons after receiving permission from Beitar Jerusalem to leave for no consideration.

[14] On 25 August, Šetkus made his debut in the Israeli Premier League in a 0–0 draw against the Beitar Jerusalem at Teddy Stadium.

[15] Šetkus was called up by Raimondas Žutautas to the full Lithuania national team squad for the friendly match against Poland.

[17] On 3 June 2011, Šetkus made his first Lithuania start in their 2–0 loss in Vaduz against Liechtenstein in a Euro 2012 qualifying game.