Battaglia was first recognized for the musical documentary Casseroles, about the 2012 Quebec student protests.
[2] In 2016, he directed the feature documentary Perfect (Parfaites), about the Canada's synchronized swimming team as they prepare for the 2016 Summer Olympics.
[3] In 2021, he directed the documentary short The Brother (Le frère), about a young boy living with muscular dystrophy.
[4] His feature film The Sum of Our Dreams premiered at the FIFA festival in March 2022.
A French Youth (Une jeunesse française) premiered at the 2024 Hot Docs Canadian International Documentary Festival,[5] and was longlisted for the 2024 Jean-Marc Vallée DGC Discovery Award.