Augmented Reality (AR), Virtual Reality (VR), and Mixed Reality (MR) have swiftly evolved from futuristic concepts into tangible experiences, revolutionising industries such as gaming, healthcare, education, and retail. The global AR/VR market is projected to exceed $250 billion by 2027, with analysts forecasting annual shipments of tens of millions of AR/VR headsets by 2026. Tech giants like Meta, Apple, and Sony are heavily investing in next-generation devices, further accelerating this growth. These immersive technologies are creating new dimensions for user engagement, offering experiences that seamlessly blend the physical and digital worlds. However, developing scalable AR/VR products requires a unique combination of creativity, technical expertise, and a deep understanding of the underlying challenges. This speech delves into the intricate process of building scalable AR/VR solutions, addressing both software and hardware components while highlighting key challenges and strategies to overcome them