Network Software Development Engineer Intern

About the Team ByteDance Networking is responsible for designing, building, and operating a global, intelligent network infrastructure that meets the highest standards of availability, scalability, and performance. Within this organization, the in-house Switch R&D team plays a pivotal role by driving the co-design of both switch software and hardware. This team is shaping the future of network infrastructure by developing a cutting-edge Network Operating System (NOS) that runs on advanced switch silicon. Join us to shape networking innovation. You’ll work on high-performance, programmable, resilient systems powering ByteDance’s global platforms—gaining hands-on experience with large-scale software development and network operations behind some of the world’s most used services. 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: - Design and test core functionalities of the Network Operating System (NOS) that powers data center networks - Research and implement new networking, monitoring, and telemetry technologies to enhance the efficiency, reliability, and availability of data center infrastructure Minimum Qualifications: - Currently pursuing a Bachelor's or Master’s degree in Computer Science, Communications, or a related technical field - Able to commit to working for 12 weeks during Summer 2026 - Possesses a solid understanding of algorithms and data structures; proficient in at least one programming language, including but not limited to C, C++, Python, or Go - Demonstrates a strong interest in high-speed networking, hardware-software interaction, and hardware offloading technologies - Has a basic understanding of the operation of switches and routers, along with fundamental knowledge of embedded systems and processor architecture - Familiar with Linux systems; comfortable using the Linux command line and editors such as Vim or Emacs Preferred Qualifications: - Experience in network software or protocol development - Strong problem-solving skills and proficiency in software debugging and troubleshooting