After graduation Barrande began working as an engineer, but when he caught the eye of the French royal family, he was invited to tutor the grandson of King Charles X.
Pärast kooli lõpetamist asus Barrande insenerina tööle, aga kui Prantsuse kuninglik perekond tema talendist teada sai, kutsuti ta kuningas Charles X pojapoja koduõpetajaks.