Xiaosong Xu is an experienced software developer, architect, and team leader with nearly 30 years of experience. He is proficient in a variety of programming languages and has worked with startups and Fortune 100 companies. He has experience leading large-scale distributed teams, using Javascript, Ruby/Rails, Java/J2EE, and more. He has also contributed to several prominent open-source projects and has mentored teams in programming best practices. Xiaosong is versatile and well-rounded, with skills in JavaScript, Angular, jQuery, Ruby, Rails, Elixir, Java, Go, R, Python, algorithms, TensorFlow, agile project management, DevOps tools like Docker, PCF and AWS. He has potential in Salesforce administration too. Xiaosong holds degrees from Peking University and the University of Pennsylvania and has studied Data Science at Harvard Extension School.