He initially played fly half, before moving to inside centre at Norwich School and settling at full back at 16.

[4] Steward made his senior debut as a replacement on 26 January 2019 in a 47–20 defeat to Northampton Saints at Franklin's Gardens in the Premiership Rugby Cup.

[5] Two weeks later Steward was back playing for Leicester's under-18 side as they won a second successive league title.

[6][7] Steward was a late call-up to the bench on 8 March 2019 to make his Premiership Rugby debut as a replacement in a 32–5 defeat to Sale Sharks at the AJ Bell Stadium.

[14] Steward made his 100th appearance for Leicester on 11 January 2025 in a Champions Cup match against Ulster at Welford Road.