From 2025, we offer a PhD position studying vortex dynamics in a binary superfluid. This PhD project will explore quantum-fluctuation dominated regimes where the behaviour of the superfluid depends on its inherent quantum nature, driving our fundamental understanding of superfluidity as a collective quantum phenomenon. Research goals include (1) investigating the role of quantum fluctuations in vortex nucleation and subsequent dynamics, and (2) investigating quantum-fluctuation-mediated interactions between two superfluids.