Oli was introduced to music production at a young age by an uncle. Oli has been releasing music under the Oli XL moniker since 2014. "Oli XL" is a reference to Junkie XL, a remixer from the soundtrack for the SSX 3 snowboarding video game which Oli played growing up. His earliest Oli XL track, titled active, was uploaded to SoundCloud on April 21st 2014. He founded his label Worldwide International, later shortened to W - I, and released his debut EP 005 / Wish We Could Zone releasing on the label on December 7th, 2014.
In the following years, he continued the W - I project, releasing his own music (Tracer Wanz in 2016 and Stress Junkie / Mimetic in 2018) as well as others (among those Lokey, Celyn June, and Ingrate. He also released multiple Worldwide Recycle Service labelwide remix EP-s with guest producers including Vattenrum.
In 2019, he released Rogue Intruder, Soul Enhancer, his debut full-length album on new label Bloom, having ended W - I the year prior. After having signed to Warp and releasing a single in 2021, he followed up with the long-anticipated first part of Lick the Lens in 2025, with the second part on the way.
In addition to producing, Oli XL is an accomplished live and radio DJ and has performed frequently throughout his career. He has released many online DJ mixes on platforms such as NTS Radio and Rinse FM.