N'Douassel began his career in 2006 at local side Tourbillon before moving to Algeria in 2007 to play for MC Oran and he joined USM Blida.
USM Blida
In his debut for USM Blida, Ndouassel scored a brace against MC El Eulma, with goals in the 86th and 90th minute to give his team a 2–1 win. He would end the season with five goals in fifteen appearances. During his time at USM Blida, N'Douassel was linked with a number of European clubs including Olympique de Marseille, Arsenal, Monaco and Mallorca.[3] On July 20, 2009, it was announced that Ndouassel joined Belgian club FCV Dender on a free transfer and signed a 3-year contract worth €200,000 after impressing on trial in friendlies against Roeselare and Hamme.[4] However, the move was not finalized and Ndouassel was forced to return to USM Blida shortly after because he was still under contract with the club.[5]
Club Africain
On January 9, 2011, Ndouassel signed a 4-year contract with Tunisian side Club Africain.[6]
For the 2011 CAF Confederation Cup his team made it second place losing to Maghreb de Fès by penalties. During the 2012 CAF Confederation Cup he scored a Hattrick for Africain making them reach the fourth round before they got eliminated in the playoffs.[7] In July 2014, Ndouassel was reported to have moved to Paris FC on loan, with an option to buy.[8] However this move fell through due to financial constraints on the French club, and with Club African unwilling to include him in their squad, left Ndouassel looking for a new club.[9]
On 7 August 2017, he signed a half year contract with Persib Bandung and retained for the following season.[13] He made his league debut in a 0–0 against Arema on 12 August 2017 as a substitute for Tantan in the 45th minute.[14]
On 20 August 2017, N'Douassel scored his first league goal for Persib against Gresik United as his team won 6–0.[15]
He was also the top scorer for Persib in 2018 season with 17 goals, and retained by the club until 2020.[16] He scored quattrick in a match against PSM Makassar on 22 December 2019.[17]
Bhayangkara
In January 2020, N'Douassel completed a move to Bhayangkara on a 2-year deal.[18]
2020 season
N'Douassel made his debut for Bhayangkara, coming on as a substitute for Herman Dzumafo, in a pre-season cup game against Cambodian Premier League club Visakha as his team won 1–0.[19] N'Douassel scored his first goal for Bhayangkara in the same pre-season cup against Malaysia Super League club Petaling Jaya City, scoring a goal in the 55th-minute, which saw Bhayangkara crowned as the champion.[20] On 29 February 2020, N'Douassel made his first league debut for Bhayangkara against Persiraja Banda Aceh as his team drew 0–0.[21] On 31 March 2020 N'Douassel scored his first league goal for Bhayangkara against Persija Jakarta as his team drew 2–2.[22]
2021 season
On 29 August 2021, N'Douassel scored a brace in Bhayangkara's first league match in 2021-22 Liga 1, earning them a 2–1 win over Persiraja Banda Aceh.[23] N'Douassel scored two goals in a 3–2 win against Barito Putera, extending Bhayangkara unbeaten streak to six matches.[24] On the following matchday, he started against his former club Persib Bandung, which ended his team's unbeaten run with a score of 2–0.[25]
^Goldstein, Amit (15 March 2017). "הפועל תל אביב: אזקיאל אנדואסל שוחרר" [Hapoel Tel Aviv: Ezechiel N'Douassel has been released] (in Hebrew). Walla!. Archived from the original on 6 May 2023. Retrieved 6 May 2023.
^"Coupe de la CEMAC 2005". RSSSF. Rec Sport Soccer Statistics Foundation. 5 March 2006. Archived from the original on 21 December 2008. Retrieved 4 February 2023.