He started his career in Masthuggets BK, but left Sweden to be with his Guadeloupean father in Paris, France, he then started to play for Levallois SC in Championnat de France amateur. He then returned to Sweden and Gothenburg and played for Majorna BK for one year before they expend their senior team, he then moved to Lärje-Angereds IF where IFK Göteborg got interested in him and signed him prior to the 2007 season, however due to poor performance he only played 14 games and was in the autumn of 2008 loaned out to Go Ahead Eagles in the Dutch Eerste Divisie, yet a continuing injury made the Dutch club break the loan contract ahead of time.
Häcken
In 2009, he signed for IFK Göteborg's local rivals and newly promoted BK Häcken. His first season for his new club proved to be a success as he played 29 games and scored 6 goals during the team's successful campaign ending at an impressive fifth place in Allsvenskan. Following his successful 2009 season he was hailed by many as a future star and a possible candidate for the top scorer title in Allsvenskan 2010. During the season 2011, it became apparent that Ranégie had improved since his season of 2010 when he scored 12 goals in 30 games. He immediately took a place as the topscorer in Allsvenskan 2011 and when he left the club he had scored 18 goals in 22 games.
On 30 August 2011 Ranégie signed with Swedish champions Malmö FF. The transfer sum was one of the highest ever paid between two Swedish clubs. Ranégie made his debut against Gefle IF on 8 September 2011 and scored his first goal against Halmstads BK on 21 September 2011. On 25 September 2011, Ranégie sealed the championship win for Helsingborgs IF of the 2011 season by scoring the 1–1 tying goal against AIK who were the only championship competitors to Helsingborgs IF at that time. In total Ranégie played seven matches and scored three goals for his first season at Malmö FF.
On 3 January 2014, Ranégie joined Watford from Udinese on a deal until 2017. Ranégie finally made his full Watford debut against Yeovil Town on 18 February 2014. Ranégie opened his Watford account on his home debut, scoring twice in a 4–0 win over Blackpool on 1 March 2014. He left Watford at the end of the 2016–17 season.
On 28 January 2015, Ranégie moved on loan to China League One side Dalian Aerbin, until 31 December 2015. Upon his return to Watford, Ranégie was informed that he was free to leave the club.
In February 2016, Ranégie joined Allsvenskan side Djurgården on a one-season loan. He played 24 league games throughout the campaign, scoring 6 goals.
Post-Watford
Ranégie was released by Watford upon the expiry of his contract at the end of the 2016-17 season, having not played competitively for the now-Premier League side since 2014. On 11 August 2017, he returned to former club BK Häcken, six years after initially leaving. Ranégie played 10 games for the club, scoring once, before leaving on a free transfer in November 2017.
International career
Following his performance during the 2009 season he was called up by Sweden's national team coach Erik Hamrén for the 2010 January tour on the Arabian Peninsula. The squad selection for the camp traditionally feature the best Swedish players in domestic and other Scandinavian leagues. He was once again selected for 2012 tour but withdrew due to personal reasons.
