Patrick Fabiano began his professional footballing career in 2006 with Mauá-based Grêmio Esportivo Mauaense.

He also scored three goals in five appearances in the 2008 Copa Aerosur for the Santa Cruz de la Sierra-based club.

In 2009, Patrick Fabiano again moved out of Brazil and this time to Mexico where he signed a short-term contract with Liga de Ascenso club Estudiantes Tecos.

In December 2009, Patrick Fabiano moved to Kuwait where he signed a one-year contract with Kuwaiti Premier League club, Al-Nasr SC.

[11] He made his UAE First Division League debut and scored his first goal in the competition on 9 December 2010 in a 3–3 draw against Emirates Club.

In 2012, Patrick Fabiano moved back to Brazil and more accurately to Curitiba where he signed a two-year contract with Campeonato Brasileiro Série B club, Clube Atlético Paranaense.

[19] He helped his team to reach the Quarter-finals of the tournament where the club lost 4–2 on aggregate to Sociedade Esportiva Palmeiras.

[20] He made his 2013–14 UAE First Division League debut on 9 November 2013 in a 1–0 loss against Al-Ittihad Kalba SC[21] and scored his first goal in the competition on 14 September 2013 in a 2–2 draw against Hatta Club.

He also scored six goals in eight appearances in qualification to the 2013–14 UAE President's Cup, sharing the top scorer award with Asamoah Gyan of Al-Ain FC and Grafite of Al-Ahli F.C.

[23] On 23 July 2014, Patrick Fabiano moved back to Kuwait where he signed a three-year contract with Kuwaiti Premier League club, Kazma SC.

[40][41] He made his official debut on 7 September 2017 in the 2017 Kuwait Super Cup and helped his side lift the coveted trophy.

He made his first appearance and scored his first goal for Timor Leste in a 2014 AFF Championship qualification match on 12 October 2014 in a 4–2 win over Brunei.

[45][46] His second goal for the national team came on 17 March 2015 in a 1–0 win over Mongolia in a 2018 FIFA World Cup qualification match.