Maitimo followed a special program for professional athletes, at the Rotterdam University of Applied Sciences, to complete his Bachelor of Economics.

In January 2005, he made his debut at a senior level with club FC Dordrecht in the Eerste Divisie which is the second-highest division of football in the Netherlands.

In January 2011, Maitimo continued his professional senior career in the China League One with club Beijing BIT for two seasons.

In 2012 Maitimo played for vv Capelle in Topklasse to stay fit and after 1 Month he returned back to Indonesia.

On 15 September 2013, Maitimo scored his first goal for Mitra Kukar against PSPS Pekanbaru in the 58th minute at the Aji Imbut Stadium, Tenggarong.

On 26 March 2018, Maitimo scored his first goal for Madura United in the 11th minute at the Gelora Ratu Pamelingan Stadium, Pamekasan.

He made 10 league appearances and scored 6 goals including pre-season tournament matches for Madura United.

[11] In the middle of the 2019 season, Maitimo signed a year contract with Liga 1 club PSM Makassar.

On 22 December 2019, Maitimo scored his first goal for PSM against Persib Bandung in the 73rd minute at the Si Jalak Harupat Stadium, Soreang.

[14] He made his league debut in a 3–0 lost against Bali United on 9 January at the Ngurah Rai Stadium, Denpasar.

During 2015 AFC Asian Cup qualification Indonesia changed five coaches, and Maitimo was the only player in the squad invited by all five of them.

A highlight in his international career was the friendly match at the Gelora Bung Karno Stadium in Jakarta on 7 June 2013 against the Netherlands.

In this match Maitimo met his former teammates Robin van Persie, Wesley Sneijder and Arjen Robben.