Lien Chen Email & Phone Number

I am Lien Chen, an experienced Data Engineer with a strong background in SQL, Python, and cloud technologies such as Azure and GCP. Currently, I work as a Data Engineer at Hunter Engineering Company in Bridgeton, MO, where I specialize in building efficient ETL pipelines, optimizing data performance, and automating data processes.With proficiency in SQL performance tuning and data modeling, I ensure optimal data storage and retrieval. My expertise extends to Linux operating systems, where I have over 500 hours of hands-on experience, particularly in configuring and managing Apache Airflow in Docker environments. I have successfully set up and managed over 20 workflows using Apache Airflow, orchestrating ETL pipelines that achieved up to a 30% increase in efficiency.In my role, I have developed and maintained stored procedures, views, and functions in SQL Server, enhancing ETL processes by 35%. Additionally, I have created data transfer pipelines between Azure services and on-premises systems, significantly boosting network throughput by 95%. My collaborative work with the mid-tier team has supported data-driven decision-making within the organization.I hold a Master’s degree in Health Data Science from Saint Louis University, obtained in 2023. My skills in data optimization, automation, CI/CD, and infrastructure redesign have consistently contributed to scalable and efficient data solutions in my professional endeavors.Feel free to contact me at achenliam@gmail.com for any inquiries or opportunities.

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  Saint Louis University

  Data Processing