Kramer was born in Rotterdam. He joined FC Volendam from NAC Breda in June 2009. He scored his first goal on 4 December 2009 in an away match against FC Emmen in a 4–2 win, actually with Kramer scoring a clean hattrick. In 2013 Kramer joined ADO Den Haag.

In 2013 Kramer joined ADO Den Haag. In 2014 Kramer had one of his best scoring in ratio to games. Scoring 11 goals in 17 matches.

On 7 August 2015, it was announced that Kramer signed a contract with hometown club Feyenoord, who he has supported since his childhood. Kramer made his Feyenoord-debut on 16 August 2015, in an away game against SC Cambuur, coming on as a substitute in the 62nd minute. With the score still at 0–0, Kramer opened the scoring 15 minutes later, therefore scoring on his debut to secure what would be a 2–0 victory for Feyenoord. On 31 January 2018 Kramer was released from his contract.

On 12 February 2018, Kramer signed a contract for the remainder of the season at Sparta Rotterdam. This contract was cancelled again on 19 April 2018, after Kramer received a red card in Sparta’s 7–0 defeat against Vitesse for kicking Vitesse player Alexander Büttner in the face. The resulting suspension was for seven games costing him the remaining matches of the season. Kramer played only eight games for Sparta Rotterdam.

On 30 May 2018, it was reported that Kramer would continue his career at Maccabi Haifa in the Israeli Premier League. On his first league match for the Israeli side, Kramer was suspended for foul language.