Joscha was born in Wolfsburg in 1994 and grew up in Kassel as the son of a pediatric nurse and a human resources officer. After completing his high school diploma and training as an electronics technician for devices and systems, he worked in Cologne at the YouTube channel network TubeOne (now: We Are Era), which specializes in marketing and managing YouTubers.

He then took on a position as a production assistant at the Berlin-based production company Iconoclast Germany before starting his studies in „Directing for Film and TV“ at the Filmakademie in 2017. In 2019, Joscha was awarded the Baden-Württemberg scholarship and directed a short film at La Fémis in Paris. In 2022, he received another scholarship and participated in a masterclass at UCLA Extension in Los Angeles.

His short film Jung Fragil, a reflection on sexuality and masculinity, had its international premiere at the Riga International Film Festival in 2020, was broadcasted by German public TV and afterwards available in their media library (ARD Mediathek).

In addition to narrative work, Joscha has also directed commercials and branded shorts in recent years for brands such as Mercedes, Bose, and Amazon Prime Studios.

Pornfluencer, a portrait of a young amateur porn couple, is his first feature-length documentary. It premiered at DOK.fest Munich and was released in cinemas across Germany by distributor Salzgeber in July 2022. Pornfluencer received extensive media coverage, was nominated for the German Documentary Film Award 2023, and is available in the German public media library. 

Babystar is his diploma film and debut feature.