Congchong Liu is a seasoned tech professional with over 10 years of experience building large-scale systems in fast-growing companies. He holds a Master's degree in Computer Science, where he specialized in distributed systems, parallel computing, and machine learning, and a Bachelor's degree in Computer Science from Guangzhou University.

Liu has held several senior engineering positions, including Senior Software Engineer for Data Science at Tradesy, Senior Software Engineer for the Data Pipeline team at the Rubicon Project, Software Development Engineer at the University of Maryland Baltimore County, and Research Assistant at the same institution. He also served as Engineering Manager at OpenMail.

Liu is highly proficient in Python, Pandas, Flask, Nginx, Docker, gRPC, Java, Redis, MySQL, and Amazon Web Services (AWS), specifically Athena, Kinesis, EC2, Lambda, Redshift, EMR, and ELB. Additionally, he is familiar with Spark, Hadoop, Storm, Kafka, ZooKeeper, JavaScript, HTML, CSS, jQuery, Bootstrap, and React.js. He is skilled in using Airflow, Git, Grafana, and InfluxDB.

As a tech expert, Liu specializes in building and managing large-scale systems, distributed systems, and data pipelines. He also has extensive experience with machine learning and data science. His interests include continuous learning, research, and staying updated with the latest technological advancements in the industry.