[7] It was announced on 26 January 2011 that Jane was signed as one of the first 15 players to join the River City Rovers of the Premier Development League for their inaugural season in 2011.

[10] After not being selected by an MLS club, it was announced on 24 February 2014 that Jane had signed a professional contract with Wilmington Hammerheads FC of the USL Pro, the third level of the United States soccer pyramid, for the 2014 season.

[11] After missing the Hammerheads' first two games of the season due to a lengthy international clearance process,[12] Jane made his professional debut on 26 April 2014 in a league match against the Charlotte Eagles.

On 24 November 2014, it was announced that Jane, along with teammate Paul Nicholson, would return to Wilmington for the 2015 USL Pro season to fulfill the second year of their two-year contracts.

About Jane returning to the team, new head coach Carson Porter said, “What is exciting for us is that I don’t think we have seen the best of Sunny and we look forward to working with him and helping him reach his potential as a player.

We knew coming into the offseason we wanted to have Sunny back and are excited about his future.”[17] Jane moved to USL side Richmond Kickers on January 7, 2016.

His first goal for the club came in his second appearance, when he scored a long-ranged screamer to the top corner in the 90+minute to seal off an impressive 2 : 0 away win over National Defense Ministry FC.

[7] In June 2014, Jane chose to represent his native Lesotho, making his international debut in a 2–0 victory over Liberia during 2015 Africa Cup of Nations qualification.