Po Jen Chen Email & Phone Number

Over 6 years experienced Machine Learning Engineer with a strong leadership background within E-commerce and EduTech industry and a passion for leveraging data science and machine learning to enhance lives personally at scale. VISA sponsorship needed (Currently stay in the US and could work full time via CPT & OPT)* 6+ years of expertise in ML engineering and full-stack development.* Leadership: With experience in leading a data team consisting of 3-4 full-time and E2E dev cycle via agile development. Successfully orchestrated personalized ranking strategies, resulting in a notable 10.2% boost in add-to-cart rates.* Specialized in Machine Learning Engineering, Data Engineering and Data Science: Rich experience in planning and executing an AI project from 0 to 1, including search&ranking algorithm, user modeling, and recommendation systems.* Handled data in big scale: Had experience in processing billions of user activity data and building model for 5M+ users and 2M+ items through Spark, Airflow, and Docker* Have experience in deploying embedding-based models: Had deployed an API within 50ms response time.* Strong Communication: Collaborated across 200+ international team members, working closely with both product and business teams.* Team Culture Building: Committed to fostering a high-performance, learning-oriented, and collaborative team culture through highly alignment, study group, and clear guiding principles.