Software Engineer Intern responsibilities include reporting to a project manager, understanding project requirements, quickly learning and mastering relevant technologies, completing tasks with high quality and quantity, using version control systems for code iteration, communicating issues promptly to find solutions, and actively contributing to team tasks. Candidates should have a Bachelor's degree in Computer Science or a related field, be proficient in data structures and algorithms, C++, Git, and OOP. Additional skills like ACM competition experience, independent project work, game development knowledge, and strong communication skills are beneficial. The internship is located in Chengdu, China and is a full-time position.