Oji was born in
Westminster, London. He was a cousin of R&B/soul singer
Lemar. He began his football career as a youth player at
Arsenal. for whom he made his debut in the
Football League as a 75th-minute
substitute for
Ricky Ravenhill in a 1–0 away loss against
Gillingham on 6 December. On 7 February 2006 he made his only first-team appearance for Birmingham, in an
FA Cup fourth round replay at home to
Reading. He came on as a last-minute substitute for
Stephen Clemence in a 2–1 win. A year later he joined
Bristol Rovers on a month's loan, later extended to two months. In the summer of 2007 he had a trial with
Southend United, then in August signed for
Leyton Orient on a month's loan, later extended to three months.
Leyton Orient With six months remaining on his contract, He was released by Orient at the end of the season.
Hereford United Oji signed for
League One club
Hereford United on 7 August 2008. After five games for the club he suffered a knee injury which kept him out of training for four months; he never regained his first-team place and at the end of his short-term contract, in February 2009, he was released.
Ljungskile SK In March 2009 Oji joined
Ljungskile SK of the
Superettan (Swedish second division) after a successful trial. He played only six league games for Ljungskile before leaving in June. In August, Oji had a trial with
Tranmere Rovers, but cruciate ligament injuries suffered while on trials with Turkish
Süper Lig side
Diyarbakirspor and with Leyton Orient kept him out of football for two years.
Tamworth In December 2011, Oji signed for
Conference Premier club
Tamworth. He made his debut as a second-half substitute in the first match of 2012, a 2–2 draw at home to
Alfreton Town. He was sent off for two bookable offences in a league match against
Fleetwood Town on 4 February 2012.
League of Ireland Oji signed for
League of Ireland club
Limerick on 26 August 2013, and made his debut for the club in a 2–0 away defeat to
Sligo Rovers. In February 2015, he moved to
Galway United in the same league. Oji played for Galway in the
2015 League of Ireland Cup final, losing on penalties to
St Patrick’s Athletic.
Return to England Worcester City signed Oji ahead of the opening fixture of the
2016–17 National League North season. The following summer he moved to
Northern Premier League Premier Division club
Hednesford Town. He made 41 appearances over the season, of which 38 were in league competition, before signing for
Highgate United of the
Midland League Premier Division in July 2018. Oji was appointed assistant to
Simon Johnson, new manager of Highgate United, on 20 July 2021. ==Death==