Born in Limbe,he spent time at the Best stars academy in limbe Cameroon then Malong started his senior career in Spain with Alcobendas CF; he made his senior debut for the club on 11 November 2012 by starting in a 2–0 Regional Preferente home win against EF Periso.[2] His first goal came the following 3 March, in a 2–0 success at Atlético Leones de Castilla.
Kunde scored his first professional goal on 8 October 2017, netting the last in a 2–0 home defeat of CD Lugo. The following 22 April, he scored a brace in a 3–3 home draw against Cultural y Deportiva Leonesa.
On 22 June 2021, Kunde sign a three-year contract with Greek giants Olympiacos after undergoing a medical. The Greek side reportedly paid less than €2 million for the 25-year-old international, whose contract with Mainz was due to expire in 2022.[10]