In 1995, Janni Goslinga graduated from the Theatre Academy in Amsterdam.
Since then she has been in permanent employment with International Theatre Amsterdam, the famous Dutch theatre group formerly known as Toneelgroep Amsterdam, led by Ivo van Hove, where she has played countless diverse roles.
In 2008, Janni received the coveted Colombina for her role in A Streetcar Named Desire.
On television, Janni gained fame for her role as a profiler in the crime series Ernstige Delicten. She was also featured in many different films and television series, most recently in All You Need Is Love, Keizervrouwen and the first Dutch Netflix series Ares.