* Expertise: Recommender System, Data Pipeline, Data Lake, Data Warehouse, Machine Learning, Natural Language Processing * Tools and Cloud Services: Apache Spark, Apache Hadoop, Apache Hive, Presto, Elasticsearch, Docker, SQL, Python, Scikit-learn, gensim, Amazon Web Services (Lambda, Cloudformation, EMR, Glue, Athena, Kinesis, ECS, Fargate, etc.)