Backend Software Engineer Intern

Global e-commerce Team is a content e-commerce business with international short video products as the carrier. It is committed to becoming the first choice for users to discover and purchase good products at affordable prices. The global e-commerce business team hopes to provide users with a more tailored, active, and efficient consumption experience, enabling merchants to receive stable and reliable platform services in different scenarios such as live e-commerce, and short video content e-commerce, so as to make more affordable and high-quality products sell easily and a better life within reach. We are looking for talented individuals to join us for an internship in 2026. Internships at ByteDance aim to offer students industry exposure and hands-on experience. Turn your ambitions into reality as your inspiration brings infinite opportunities at ByteDance. Internships at ByteDance aim to provide students with hands-on experience in developing fundamental skills and exploring potential career paths. A vibrant blend of social events and enriching development workshops will be available for you to explore. Here, you will utilize your knowledge in real-world scenarios while laying a strong foundation for personal and professional growth. It runs for 12 weeks. Candidates can apply to a maximum of two positions and will be considered for jobs in the order you apply. The application limit is applicable to ByteDance and its affiliates' jobs globally. Applications will be reviewed on a rolling basis. We encourage you to apply as early as possible. Please state your availability clearly in your resume (Start date, End date). Summer Start Dates: - May 11th, 2026 - May 18th, 2026 - May 26th, 2026 - June 8th, 2026 - June 22nd, 2026 Online Assessment Candidates who pass resume screening will be invited to participate in ByteDance's technical online assessment. Responsibilities: - Develop efficient, highly scalable and secured services that power e-commerce products. - Optimize backend systems and services for data security, modularity, computational efficiency and scalability. - Design and develop data services and analytics platforms for e-commerce applications. - Develop best-in-class user privacy and data security engineering practices across all product engineering disciplines. Minimum Qualifications: - Currently pursuing an Undergraduate/Master in Computer Science or a related technical discipline. - Able to commit to working for 12 weeks during Summer 2026. - Must obtain work authorization in country of employment at the time of hire, and maintain ongoing work authorization during employment. - Familiarity with backend development, and at least one of Java/Golang/Python/Scala/C++ languages. - Basic understanding of data structure, algorithm design and analysis, networking, data security and highly scalable systems design. - Familiarity of common databases and messaging frameworks like MySQL/Redis/Kafka etc. Preferred Qualifications: - Graduating December 2026 onwards with the intent to return to degree program after the completion of the internship. - Agile, quick self-learner, highly self-motivated with strong sense of product ownership and creative problem solver. - Deeply passionate about software coding/development and building great mobile/web applications. - Good collaborator and team player, comfortable working in a fast moving, culturally diverse and globally distributed team environment. By submitting an application for this role, you accept and agree to our global applicant privacy policy, which may be accessed here: https://jobs.bytedance.com/en/legal/privacy