Ray Chung is a developer and an instructor. He loves helping students learn to code and master software development. He is now self-employed and develops web applications, network applications, and chatbots using Python. The first program he sold was a network application that helps clients configuring, maintaining, and testing thousands of multi-vendor network devices. He's experienced with big projects like a marathon's online registration system, rental car management system, and so on. He has worked extensively with Google App Engine, PostgreSQL, and advanced system architecture design. He has been a self-taught developer for many years and knows what is the most efficient way to learn a new skill.
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