Born in Milan, Lombardy, Tremolada started his career at Inter. He also played a few friendlies for the first team. He won 2009–10 UEFA Champions League as unused member, which the team named him as one of the U21 youth product in the list B since 2008–09 edition. He was the team joint-topscorer in Allievi Nazionali under-17 team in 2007–08 season, it was due to Mattia Destro promoted to Primavera under-20 team and played less regularly in Allievi Nazionali.
In summer 2010, he left for Serie B club Piacenza in co-ownership deal for €750,000 along with defender Andrea Mei keeper Luca Stocchi, while Inter signed Andrea Lussardi and Matteo Colombi. Additionally, Piacenza loaned Nicola Milani and Fabio Hoxha from Inter's youth teams. Tremolada immediately entered Piacenza's first team, started the first match of the team, winning Lanciano 5–3 in 2010–11 Coppa Italia. He also started the next 2 matches in Serie B, as a winger in 4231 formation. He then lost his starting place to Alessandro Marchi and received his last first team call-up on 17 September. The coach changed the tactic to 433 and preferred Marchi as right midfielder. He played his fourth Serie B in November and only played four more times in the second half of 2010–11 season. On 24 June 2011 he returned to Inter along with Mei and Piacenza bought back Lussardi and Colombi.
Return to Inter
Tremolada became an Inter player again in June 2011. He left for A.C. Pisa 1909 in temporary deal in 2011–12 season. In May 2012, Tremolada was included in the 20-men squad of Inter for Indonesia friendly tour. He scored the third goal against Indonesia League Selection as a substitute of Samuele Longo.
Como
On 18 July 2012 Tremolada was signed by Calcio Como in a new co-ownership deal for a peppercorn fee. Internazionale made a write-down on Tremolada's accounting value for €1.162 million.
On 31 January 2020, he moved to Serie B club Pordenone and signed a 2.5-year contract.
International career
Tremolada was a regular member of Azzurrini U19 team, played almost all matches from 2008 to 2010. The U19 team's season was started early due to the exit of the previous age group in October 2008. Tremolada made his U19 team debut along with Inter teammate Mattia Destro and Luca Caldirola, winning Romania 3–1 in December 2008. He then played a successive appearances for U19 team, against Norway, Ukraine and Denmark. Missed a friendly in October, he played all 3 matches in qualifying and the next 3 friendlies. In the elite round, he also played all 3 matches, but only one as starter. That match he scored a goal against Northern Ireland. Tremolada also played for 2008–09 season's U18 team, which de facto the same team with U19 team, but opponent's age were different. He scored a goal in his U18 debut, against Denmark U18 in January 2009. He also played at a U18 tournament in Slovakia in April 2009, scored 2 goals. Tremolada played twice in 2010 UEFA European Under-19 Football Championship, which Italy finished as the last of Group B without any win and any goal.
