Prior to forming Carach Angren with his brother Ivo "Namtar" Wijers and Dennis "Seregor" Droomers, he played with Dark Mutation and Vaultage.

[8][9] As a teenager, he was listening to dance music before being introduced to metal at age fifteen and joined a band as a way of combining his new interest with his classical background.

[8][11] Wijers is the band's main composer, while bandmate Droomers writes the lyrics and stories.

[12][13] He particularly enjoys video game soundtracks, having been a gamer in the 1990s and a fan of the Doom series.

[13] Alongside Carach Angren, Wijers released his debut solo album titled Worlds in 2017, which mainly featured a combination of industrial and classical music tracks.