Born in
Felixstowe, Suffolk, Bloomfield started his career as a trainee with
Ipswich Town in August 2001. At one point he was scouted by
Newcastle United and also represented England at
under-18,
under-19 and
under-20 levels. But with a plethora of midfielders at
Portman Road, he was released by manager
Joe Royle to join
Wycombe Wanderers on 22 December 2003, having appeared just once for Ipswich's first team. Bloomfield's debut came in the 2–0 home defeat against
Rushden & Diamonds on 28 December, and he scored his first goal for the club against
Queens Park Rangers in March 2004. In July 2008, Bloomfield finally signed a two-year contract extension. Recovering from a long-term injury at the time, Wycombe had decided not to offer him a pay rise. Bloomfield finally signed after Wycombe's new manager,
Peter Taylor, said he would look to get Bloomfield a better deal when he had returned to fitness and was back in the first team. Bloomfield made his return to league football on 2 December, as part of a 4–0 win at home to
Macclesfield Town. At the end of the
2009–10 season, Bloomfield featured heavily in the side that failed to keep Wycombe in League One. Despite this, his performances persuaded manager
Gary Waddock to further extend his contract until summer 2011. He later kept his place in the team at the start of the
2010–11 season, scoring his first goal of the season against
Accrington Stanley. Bloomfield then once again extended his contract for a further year taking him into his eighth season at the club, amassing over 250 appearances. He was also part of the proud Wycombe side that reached the League Cup semi finals in 2007, drawing 1–1 in the first leg but later losing 4–0 in the return fixture against
Chelsea. On 16 July 2014, Wycombe held Bloomfield's testimonial against Chelsea, which finished 0–5 to Chelsea. The likes of
John Terry,
Branislav Ivanović and
José Mourinho were at
Adams Park to celebrate the event. Bloomfield was part of the Wycombe side that saw promotion to the
Championship in 2020, starting as captain in the final where they defeated local rivals
Oxford United 2–1 at
Wembley Stadium to take the side into English football's second tier for the first time in the club's history. Bloomfield made 16 appearances in the Championship for Wycombe the following season, which would prove to be his last full season as a Wycombe player, as he began to take up additional duties after being named a first team coach. The club were relegated back to
League One at the end of the campaign, after which Bloomfield would make just one more appearance for the club, captaining the side in an
EFL Cup first round tie against
Exeter, which Wycombe would later win on penalties. Bloomfield was substituted at half time for
Oliver Pendlebury, after suffering a concussion, after which the club doctor advised him that it may no longer be safe for him to play football. Bloomfield announced his retirement from active playing on 2 February 2022. ==Coaching career==