Boateng made his Primeira Liga debut on 17 August 2014, starting in a 2–0 home win against Vitória de Setúbal. His first goal in the category occurred on 1 September, as he scored the last in a 4–0 home routing of Boavista.
Moreirense
On 7 July 2015, Boateng and his Rio Ave teammate Ernest Ohemeng made a permanent move to fellow league team Moreirense.[3] Mainly used as a substitute during his first season, he started to feature more regularly during his second.
Boateng was also regularly used in the Taça da Liga, netting a brace in a 3–1 home success over Benfica on 26 January 2017.[4] Three days later, he replaced Roberto in the final, a 1–0 win against S.C. Braga; it was Moreirense's first ever national title.[5]
Boateng scored his first league double on 30 April 2017, in a 2–2 away draw against Arouca.
Levante
On 16 August 2017, Boateng signed a four-year deal with La Liga side Levante UD.[6]
On 13 May 2018, he scored first career hat-trick against champions Barcelona. Levante won the match 5–4, ending the possibility of an unbeaten season for Barcelona.[7]
He was part of the Ghana national under-20 football team, who played the 2015 FIFA U-20 World Cup in New Zealand. He scored one goal in the competition on 5 June 2015, in a 1–0 win against Panama.[12] On 30 May 2018 he made his senior appearance for the Black Stars. He marked his debut with a goal when he scored a penalty in the 51st minute of the game.[13]