This book presents the proceedings of the 11th Brazilian Technology Symposium (BTSym’25), bringing together research on contemporary challenges in engineering, mathematics, physical sciences, and emerging technologies, as well as studies focused on human, smart, and sustainable cities. The volume highlights advances in areas such as computational methods, intelligent systems, automation, digital transformation, data-driven approaches, and environmental and societal applications, offering a broad interdisciplinary view of current scientific and technological developments.