Born in Lyon, Sambia joined the youth set-up at Niort from Mâcon in 2013.[5] In the summer of 2014, he was awarded a first-team contract alongside fellow youth midfielder Antoine Batisse.[5] Sambia made his senior debut for Niort on 12 September 2014 in the 1–0 defeat to Dijon at the age of 18 years and 5 days, becoming the youngest player ever to start a professional match for the club.[7] He went on to make five league appearances in total during the 2014–15 season.[2]
Montpellier
In August 2017, Sambia joined Montpellier on a one-year loan with an option to buy.[8] The option would eventually be exercised at the end of the 2017–18 season. In May 2022, his exit from Montpellier at the end of the 2021–22 season was confirmed.[9]
Salernitana
On 19 July 2022, Sambia signed a four-year contract with Salernitana in Italy.[10]
Personal life
Sambia's parents are from the Central African Republic.[citation needed] In April 2020, Sambia was hospitalised after becoming ill and unconscious and was treated in intensive care. He tested positive for COVID-19 and was placed into an artificial coma.[11] However, he eventually recovered.[12][13]