Jaha is prizewinner of Islam Petrela, Ginette Neveu, Rodolfo Lipizer and Yuri Yankelevitch international competitions and winner of the Martha Debelli Foundation. She also received grants from the Meyer Foundation and the Foundation Or du Rhin. Following studies with Alexandre Brussilovsky, Jaha entered the Paris Conservatory to work with Boris Garlitsky, obtaining her Master and Postgraduate degrees with distinction and completed a Konzertexamen in Folkwang Universität der Künste, Essen. She has also studied with Boris Kushnir, Liviu Prunaru, Pinchas Zukerman and Felix Andrievsky.
She was invited to the Seiji Ozawa International Academy Switzerland (2010-2013) and chosen for a residency at the Villa Musica Foundation (2012-2015).
She performed in the Royal Concertgebouw Orchestra as an academist.
Former co-leader of the Orchestre National de Lyon (2015-2018), she is guest leader of Orchestre d’Auvergne, Orchestre National de Lille, Orchestre National des Pays de la Loire, Opera de Saint-Etienne and Orchestre de La Monnaie Bruxelles.