Retrieval-Augmented Generation (RAG), Machine Learning, C++, Deep Learning, Data Structures And Algorithms, Information Retrieval, Python, Multimodal Understanding, Offline Evaluation, Model Fine-tuning, Online Serving, Click Conversion Prediction, Query Understanding, CTR/CVR Modeling, Personalization Modeling, Generative Retrieval, A/B Experimentation

zeromq , Objective-c, Kafka, Docker, Python, Java, Redis, Hive, Spark, Kubernetes, Performance Testing, Debugging, automation testing, Go, NSQ, AI agents, intelligent automation, software testing methodologies, test platform tool development