Humanoid robotics engineers develop biped locomotion, balance algorithms, compliant actuators, dexterous hands, visual perception systems, tactile sensing, and human-robot interaction (HRI) frameworks. They integrate control architectures, optimise energy efficiency, and validate behaviour using simulation and real-world experiments. Their work spans assistive humanoids, industrial co-robots, service robots, disaster-response robots, and research platforms. Humanoid engineering is rapidly advancing with breakthroughs in AI, biomechanics, and embodied intelligence.