Daughter of Rolf and Ruth, Jennifer grew up with her younger sister Svenja in Zollbrück/Rüderswil in the canton of Bern in Switzerland.

She visited the Graduate School of Business in Neuveville and successfully concluded her Professional Maturity of Commerce.

Oehrli started her children's football as seven-year-old, playing in the same boys team as her cousin.

She scored her first goal in the Swiss National League A (NLA) with a Penalty kick in the 10-0 home win against GC Zürich Frauen in the last game of the 2010-2011 season on 22 May 2011.

After Marisa Brunner retired from international football, Oehrli was nominated as the new number 1 in the Swiss team.