[7] He gained notoriety in England during Young Boys' 2012–13 UEFA Europa League group stage match against Liverpool at the Stade de Suisse.

In an eventful match, which ended 5–3 to the Reds, Ojala opened the score with an own goal, putting the ball past Marco Wölfli, his own goalkeeper.

After a year and a half in Switzerland on 12 February 2013 it was announced that Ojala would transfer to Russian Premier League team Terek Grozny, for a fee of €500,000.

[18] In November 2010, after representing Finland on youth levels, Ojala was called up to the national team squad to face San Marino.

He made his national team debut on 15 November 2011 in a friendly match against Denmark in Esbjerg when Mixu Paatelainen used him as a substitute.

He made his first goal for Finland on 9 January 2017 in a friendly match in Tahnoun bin Mohammed Stadium, Al Ain against Morocco.