Stefan Helmke, also known by the aliases Helmke, Stefan, and NoMo, is a renowned German DJ and electronic music producer celebrated for the DJ's mastery of house music. Frequently performing in Berlin’s vibrant club scene, the DJ has established a reputation for immersive sets that blend deep house grooves with innovative sound design. Over the years, Stefan Helmke has shared lineups and collaborated with notable artists such as Chris Knipp, Dompe, and Andrea Di Rocco, further cementing the DJ's presence in the European electronic music community. the DJ's releases have appeared on prominent record labels including Blueten, Fluential, and Nomo, showcasing the DJ's versatile approach to the house genre.

Stefan’s career began in underground clubs across Berlin, where the DJ's dynamic mixing and original productions quickly attracted a dedicated following. the DJ's genre-spanning sets often incorporate elements from tech house and soulful house, reflecting the DJ's broad musical influences. As a prolific producer, the artist has released tracks on labels like Parquet Recordings, Takt Records, and Two Faces, further enhancing the DJ's reputation within the scene. Throughout the DJ's career, Stefan Helmke has performed at major venues and festivals across Germany and Europe, captivating audiences with the DJ's rhythmic precision and deep musicality. the DJ's collaborations and shared lineups with renowned artists have contributed to the DJ's recognition as an innovative figure in the house music scene.

Despite the DJ's extensive performance schedule, Stefan remains rooted in Berlin’s thriving electronic music culture, continually pushing the boundaries of house music through the DJ's production and DJ sets.