Quantum software engineering is a research field and methodological approach concerned with the principles, methodologies, and tools for the systematic design, development, testing, and maintenance of software intended to execute on quantum computing hardware. It investigates the unique challenges arising from quantum phenomena such as superposition, entanglement, and probabilistic outcomes, aiming to establish robust engineering practices for quantum algorithm implementation and application development. Its significance lies in enabling the translation of theoretical quantum advantage into practical, reliable software solutions across various domains.