artificial intelligence software development context-aware ai d2c scalable ai e-commerce real-time personalization services retail plug-and-play ai information technology and services ai engine ai for marketplaces recommendation ranking promotion management enterprise ai sdks ai platform recommendation system product ranking ai-driven marketing user engagement content orchestration product discovery contextual multi-armed bandits transformer models b2b session-based ai transformer-based models deep learning user behavior analysis personalization without overhead user journey optimization ai for travel and streaming computer systems design and related services learning-to-rank algorithms personalized content real-time embeddings dynamic catalog updates dynamic recommendations reinforcement learning federated learning ai for e-commerce session context ai for digital media content selection api integration continuous learning recommendation diversity consumer products & retail information technology & services consumer internet consumers internet