[11] He featured regularly in the starting XI for then manager Paul Sturrock's team and scored the first senior goal of his career against Burnley in March.

[13] He continued to feature regularly in the first-team and scored his first brace in senior football with two goals in an impressive 4–1 win over Reading on 28 December.

[18] On 14 January 2011, Judge completed a permanent move to Notts County and signed a two-and-a-half-year contract with the club for an undisclosed fee.

[20] After a seven-week spell on the sidelines, Judge returned to action against Swindon Town and scored to set County on their way to a 2–1 comeback victory.

[31] He scored his first Blackburn goal in a 3–3 League Cup first round shootout defeat to Carlisle United on 7 August 2013 and made 12 appearances during the 2013–14 season.

[6] He featured as a regular starter and scored his first Bees goal on his fourth appearance, netting the second in a 3–1 win over Bristol City on 28 January.

[36] On 18 April, Judge scored the penalty which saw Brentford beat Preston North End 1–0 at Griffin Park, to confirm the Bees' promotion to the Championship with three games to spare.

[32] He made 22 appearances during his spell with the Bees and on 2 June 2014,[32] Judge signed for Brentford permanently on a three-year contract for an undisclosed fee, effective 1 July 2014.

[37] He scored his first goal of the season on his twentieth appearance,[38] sliding home the opener in a 4–0 demolition of Wolverhampton Wanderers at Griffin Park on 29 November.

[39] Judge missed his first league game of the season on 10 January 2015,[38] after having been forced off with a knee injury during the previous week's 2–0 FA Cup third round defeat to Brighton & Hove Albion.

[40] After over four months without a goal,[38] Judge scored a free kick to help send the Bees on the way to a 4–1 victory over West London rivals Fulham at Craven Cottage on 3 April.

[43][44] Three goals and four assists during a four-match winning run in October won Judge the Championship Player of the Month award.

[42][46] Judge's season came to a premature end on 9 April 2016,[47] when he suffered multiple breaks in his left leg after being "felled by sickening challenge" from Ipswich Town's Luke Hyam.

[59] He subsequently spent time out of the squad due to illness and requiring extra training and he had to wait until 6 January 2018 for his comeback,[60][61] which came with a 20-minute substitute cameo late in the second half of a 1–0 FA Cup third round defeat to former club Notts County.

[63] On 26 September 2018, he scored his first goal in over two and a half years, with what proved to be a consolation in a 3–1 EFL Cup third round defeat to Arsenal.

[10] On 14 January 2019, Judge joined Championship club Ipswich Town on a contract running until the end of the 2018–19 season, with the option for a further year, for an undisclosed fee.

On 23 July, manager Paul Lambert admitted in an interview that Judge was keen on the move, but insisted that Ipswich would play hardball for him, considering he signed a new contract just a few months before.

[70] This prompted a negative response from the Ipswich fans who questioned his loyalty, but after a third bid was rejected, QPR dropped their interest and he remained at the club.

[71] On 31 August, Judge revealed in an interview that due to family reasons regarding his daughter, the move to QPR did appeal to him – but did state that he understood the fans disappointment in him initially wanting to leave.

The move made him the fourth player that was released from Ipswich that summer to join Colchester, alongside Cole Skuse, Luke Chambers and Freddie Sears.

[94] Judge appeared in all three of the U18s' elite qualification games,[95] but despite victories over Bulgaria and Hungary, defeat to Germany saw the Germans qualify for the finals.

He appeared in all of the qualifying games for the 2011 UEFA U21 Championship, with an early goal scored in a 1–1 draw with Georgia being the sole highlight of a campaign which saw the U21s finish bottom of their group.

[102] Judge made his debut with a start in a friendly versus Switzerland on 25 March 2016 and played the full 90 minutes of the 1–0 victory.

He featured as a second-half substitute in a 1–1 draw with Denmark, assisting the Republic of Ireland's equalizing goal with a free-kick converted by Shane Duffy.

[105] Judge's father Dermot played for Shamrock Rovers and captained Bray Wanderers to success in the 1990 FAI Cup Final.