A former player of Right to Dream Academy, Adingra joined Danish club Nordsjælland in January 2020.[2] He made his professional debut on 18 April 2021 in a 2–2 league draw against Copenhagen. He replaced Ivan Mesík at the 68th minute of the game and went on to score his team's second goal.[3]
Adingra made his Brighton debut as a substitute in the opening game of the 2023–24 season on 12 August. He scored the Seagulls' third goal in an eventual 4–1 home win over newly promoted Luton Town.[6] During that same season, Adingra made his first Premier League start on 16 September in a 3–1 victory over Manchester United in which he recorded an assist.[7]
Upon returning to Brighton after winning the 2023 AFCON title, Adingra would score a brace in a 5-0 win against Sheffield United on 18 February, 2024.
On 3 February 2024, Adingra scored a 90th minute equaliser in an eventual extra-time 2–1 win against Mali in the quarter-finals of 2023 Africa Cup of Nations.[9] On 11 February, he provided two assists and was named as man of the match in the tournament's final against Nigeria, which ended in a 2–1 victory for Ivory Coast.[10][11]