[1] After playing for AIK Freetong in 2018, he was the top scorer of the 2019 Sierra Leone National Premier League with 15 goals for champions East End Lions.

[1][2] He joined Swedish club Trelleborgs FF on a three-and-a-half-year deal in August 2019, but cancelled his contract after a week, citing the cold weather in Sweden.

[2] He retracted that statement the following day however, and insisted that he returned to Sierra Leone to play for the national team in the upcoming World Cup qualification fixtures.

[7] Kamara was called up to Sierra Leone's squad for the 2021 Africa Cup of Nations tournament, which began in January 2022.

[8] He scored his first international goal with a "magnificent left-footed strike" in a 2–2 draw with Ivory Coast in Sierra Leone's second group match on 16 January 2022.