[5] It was there where his performances attracted the interest of scouts from local League of Ireland club St Patrick's Athletic who signed Abankwah for their Under-15 team in January 2019, aged 14.
[6] On 24 October 2019, Abankwah was part of the side that won the Under-15 League of Ireland title, as they defeated rivals Shamrock Rovers 2–1 at Tallaght Stadium to claim the trophy.
[9] On 7 July 2021, Abankwah signed his first professional contract at League of Ireland Premier Division side St Patrick's Athletic, having impressed for the club's academy teams.
[19][20] As part of the transfer, he was loaned back to St Patrick's Athletic until 30 June 2022, in order to allow him complete his Leaving Certificate exams at his school, Adamstown Community College, alongside playing for the club.
[21][19] Before the season started, manager Tim Clancy stated that there were no ‘no limitations’ set out by Udinese on Abankwah's playing time, while he also mentioned ‘It’ll be a pleasure to work with him’ during his loan.
[23] On 18 February 2022, in the opening league game of the season away to Dublin rivals Shelbourne, Abankwah played his first full 90 minutes of his senior career with his performance in the 3–0 win at Tolka Park drawing comparisons in his playing style to that of former St Patrick's Athletic and Manchester United defender Paul McGrath.
[26] Abankwah made his unofficial debut for the club on 13 July 2022, playing the second half of an 11–0 friendly win over Rapid Lienz.
[29] He then made his first Serie A start on 4 June, in a 0–1 loss against Juventus, with manager Andrea Sottil stating after the match that Abankwah was one of the players that are "the future of Udinese".
[52][53][54] Abankwah's first goal at international level came on 23 March 2022, scoring an equaliser in an eventual 3–1 defeat away to England U19 at Bescot Stadium in Walsall.