In 2006, 2007 and 2008 he was named the best goalkeeper of the season in the LMT Virslīga, as well as the Latvian Footballer of the Year in 2008.

In February 2009 he went on trial with the Russian Premier League club Rubin Kazan.

[2] In the middle of FK Ventspils' season Vaņins joined Swiss Super League club FC Sion on a three-year contract.

[3] After the 2010–11 season Vaņins was again named the club's best player by the team's fans, who gave him 34% votes in a survey via Facebook.

[7] He made his league debut for the club on 25 July 2016 in a 2–0 home victory over FC Winterthur playing the full 90 minutes.

In summer 2007, when the first-choice keeper Aleksandrs Koliņko suffered a long-term injury, head coach Aleksandrs Starkovs faced a choice to either let Vaņins or Deniss Romanovs play.

[9] On 31 August 2020, Vaņins retired from playing and returned to Sion as a goalkeeper coach.