He has worked with Cynthia Erivo, Ariana Grande, Quincy Jones, Adele, Twenty One Pilots, Missy Elliot, Burt Bacharach, Celine Dion, Kid Cudi, Deftones, Timbaland, Taylor Swift, Michael Bublé, Stephen Schwartz, Dua Lipa, John Legend, Selena Gomez, the Count Basie Orchestra, Rufus Wainwright, Lin-Manuel Miranda, Sir Andrew Lloyd Webber, Ryan Tedder, Weezer, Jazmine Sullivan, Katy Perry, OneRepublic, Carrie Underwood, Jamie Cullum, Pink, Theophilus London, Keith Urban, Crash Test Dummies, MIKA, Aerosmith, Elton John, and Sir George Martin.
Wells was awarded a Canada Council arts grant to study in California with Clare Fischer, composer and string arranger for Prince.
His first recorded song as a songwriter was with Aerosmith on the double platinum Nine Lives, followed by "The Reason" on Celine Dion's 31 million selling album, Let's Talk About Love.
[11] The biggest selling worldwide album of 2018[12] The Greatest Showman: Original Motion Picture Soundtrack was produced and mixed by Wells.
The song was performed by Ryan Tedder, Avril Lavigne, Luis Fonsi, Hussain Al Jassmi, Assala Nasri and Tamer Hosny live at the opening ceremonies in Abu Dhabi.
[15] Wells produced the Grammy and Golden Globe nominated song "Beautiful Ghosts" performed by Taylor Swift for the 2019 film Cats, an adaptation of the 1981 musical of the same name.
Wells received a Grammy nomination for co-producing and mixing all songs for Lin-Manuel Miranda's 2021 movie and soundtrack album In the Heights,[17] directed by Jon M. Chu.
Wells worked on a second film with Alex Lacamoire and Miranda, the animated hit movie musical Vivo directed by Kirk DeMicco.