Pagara made his professional debut on September 29, 2006, at the age of 14, defeating Tata Tadena at
Jagna,
Bohol, Philippines. On July 25, 2009, Pagara defeated Simson Butar-Butar by unanimous decision in a 10-round bout at the Dao Public Terminal in
Tagbilaran City,
Bohol, Philippines. The judges' scorecards were 100-89, 99-89 and 96-92 all for Pagara. On June 12, 2011, he beat Juan Carlos Gallego via TKO on round 4. On September 10, 2011, he was defeated by Rosbel Montoya via 10 round unanimous decision. He later beat Montoya in the sixth round of the Pinoy Pride XV held at the Waterfront-Cebu City Hotel and Casino. On October 20, 2012, he knocked out Barbados Miguel Antoine via TKO on the 1st round. Pagara defended his WBO International light welterweight title against Aaron Herrera on May 25, 2013 at the Waterfront Cebu City Hotel, posting a winning score from all three judges after 12 rounds. He successfully defended his
WBO International
light welterweight belt against
Mario Meraz,
knocking down the latter in the fourth round at the
Cebu City Waterfront Hotel & Casino in
Cebu City on June 21, 2014. In his first international bout held at
Dubai World Trade Centre in
Dubai, Pagara won against
Mexico's Ramiro Alcaraz via technical
unanimous decision on August 7, 2015. The 23-year-old boxer suffered wounded left eye from an accidental head bout in the opening salvo but managed to continue the fight until the 8th round. Doctor advised to stop the fight considering too much blood flowing from Pagara's wound. He won on all judges' scorecards over Alcaraz. October 17, 2015 First time in United States WBO No. 2 lightweight contender Jason 'El Nino' Pagara made short work of his opponent Santos Benavides of Nicaragua putting him three times to the canvas in the 2nd round for a TKO victory as Referee Raul Caiz Sr waived the contest after the 3rd knockdown in the 2nd bout of Pinoy Pride 33 in Carson, California. Pagara now improves to 37-2-0 with 23 knockouts while Benavides dropped to 25-8-2 with 19 stoppages. ==Professional boxing record==