This is CSCI S-33a at Harvard Summer School. Starts June 20, 2023. Register at


This course examines the design and implementation of web applications with Python, JavaScript, and SQL using frameworks like Django, React, and Bootstrap. Topics include database design, scalability, security, and user experience. Through hands-on projects, students learn to write and use APIs, create interactive user interfaces (UIs), and leverage cloud services like GitHub and Heroku. By semester’s end, students emerge with knowledge and experience in the principles, languages, and tools that empower them to design and deploy applications on the internet.


CSCI S-50, CS50x, or at least one year of experience with Python.