Alvarrez developed an online following after posting photos and videos of him participating in extreme sports including skydiving, surfing, and skating.[2][7][8]
Alvarrez served as a model for Armani’s Fall 2016 ad campaign.[9][10][11] In 2016, Alvarrez also began filming scenes for the comedy film Deported.[12] He also signed a multi-picture deal with the film’s production company, Rebel Way Entertainment.[13] Alvarrez also starred in the music videos for the songs "Carry Me" by Kygo and “Hey” by Fais feat. Afrojack, alongside Alexis Ren.[14]
In 2017, Alvarrez was photographed for Aldo’s Fall 2017 campaign.[15] Alvarrez was also the face of Bonds Swim during its 2017 campaign.[4] He was also photographed for British Vogue in 2017.[16]
Alvarrez also served as a model for the CDLP’s 2018 swimwear campaign.[17] He also collaborated with bag company DB Equipment (previously known as Douchebags) to release a line of backpacks called the Jay Alvarrez Collection.[18][19][20]
He also became an ambassador for hemp-based apparel and accessories brand DRIHP in June 2020.[21] Alvarrez appeared on the cover of GQ Style Russia’s September 2020 issue.[5] Alvarrez also produced and starred in the music video for “Use Your Love” by Sam Feldt and The Him, which was released in October 2020.[22] He also appeared on the cover of Esquire Greece in 2020.[6]
Alvarrez became an ambassador for the “Breathe by Paka” line from Paka Apparel in 2021.[23]
Alvarrez and his tattoos were photographed for Inked in 2022.[7]
Other brands Alvarrez has modeled for include Coca-Cola, Omega Watches, and Hyundai.[21]