In August 2019, Bondo signed his first professional contract with the club, thus becoming Nancy's youngest player ever to do so.[4][5] He made his professional debut on 24 November 2020, coming in as a substitute for Dorian Bertrand in the 73rd minute of a 1–0 Ligue 2 defeat against Grenoble;[6] however, he was sent off 14 minutes later.[7] On 22 December of the same year, the midfielder scored his first professional goal, as he opened the score of a league match against Chambly, which ultimately ended in a 3–3 draw.[8]
On 10 June 2022, Bondo announced his departure from Nancy, after deciding not to extend his contract, following the club's relegation to Championnat National.[9]
Monza
On 28 July 2022, Bondo joined newly-promoted Serie A side Monza on a free transfer, signing a three-year contract in the process.[10] He then made his Serie A debut on 30 August, coming in as a substitute for Stefano Sensi at the 85th minute of a 3–0 away defeat to Roma.[11]
On 31 January 2023, Bondo moved to Serie B club Reggina on a six-month loan.[12] He played three games.[13]
Having returned to Monza at the end of his loan, Bondo scored his first Serie A goal on 18 February 2024, a long-distance shot in a 4–2 win against AC Milan.[14]
International career
Born in France, Bondo could also choose to represent DR Congo or Congo Republic internationally, due to his family's origins.[5] He has represented his native country at several youth international levels.[15]