About the Team ByteDance Networking brings together innovative ideas and technologies from network architecture, software defined networking (SDN), network virtualization, switch software and hardware co-design, and high-speed networking, to create hyper-scale data-center networking solutions that power several of the most popular apps of the world such as Douyin and TikTok which serve hundreds of millions of users around the globe.
ByteDance Networking is responsible for designing, building, and operating the global, intelligent network infrastructure to meet the requirements of high availability, scalability, and high-performance. By joining this team, you will gain marketable software development and/or network operation experiences in data center networking at massive scale.
Responsibilities:
- Design, develop, and test core functionalities of the Network Operating System (NOS) underpinning ByteDance's hyperscale data center networks and AI infrastructure.
- Research and implement next-generation switch software focusing on network monitoring, telemetry, load balancing, congestion control, and system reliability.
- Design and maintain robust CI/CD pipelines and automated testing frameworks for the NOS.
Requirements
Minimum Qualifications
- Bachelor’s degree or higher in Computer Science, Electrical Engineering, or a related field.
- Proven experience in network software development or network device SDK development.
- Proficiency in C/C++ and Python, with a strong grasp of data structures and algorithms.
- Passion for network technology and a track record of maintaining high standards for code quality and architectural design.
Preferred Qualifications
- Deep understanding of Ethernet switch architecture and NOS design
- Hands-on experience with SONiC and SAI is highly preferred.
- Experience in switch ASIC validation using industry-standard traffic generators (e.g., Keysight/Ixia, Spirent)
- Publications in accredited networking conferences (SIGCOMM, NSDI, etc.) or contributions to open-source communities (SONiC, OCP, SAI).