Johnson signed for Stevenage in July 2020 and spent one season with the club, before returning to Braintree Town on two different occasions between spells with Gloucester City and Leiston.
Johnson spent the majority of his youth career at Beccles Town, progressing through the various age groups for his local club.
[3] He was offered the opportunity to train with Norwich City during pre-season ahead of the 2018–19 season, with a view to earning a full-time contract.
[5] He made his professional debut in the club's 3–2 defeat to Milton Keynes Dons at Broadhall Way in the EFL Trophy on 6 October 2020.
[2] He went onto feature 34 times in all competitions before departing the club at the end of the season before he eventually joined Gloucester City in December 2022.