Network Software Development Engineer, Switch

41 Minutes ago • 5 Years + • Network Engineering

Job Summary

Job Description

ByteDance Networking seeks a Network Software Development Engineer, Switch to lead design and development of switch OS for data center network devices. Responsibilities include exploring new networking, monitoring, and telemetry technologies to improve data center network efficiency and availability. The ideal candidate will have 5+ years of professional software development experience, proficiency in C/C++, Python, Go, or bash, and knowledge of high-speed IP networking, hardware-software interaction, and hardware offloading technologies. Experience with mainstream merchant switch software development or SONiC open source development is a plus. The role demands strong problem-solving skills and the ability to thrive in a fast-paced, collaborative environment.
Must have:
  • Lead switch OS design & development
  • Explore new networking technologies
  • 5+ years software development experience
  • Proficiency in C/C++, Python, Go, or Bash
  • Knowledge of high-speed IP networking
  • Linux/Unix expertise
  • Switch/router OS knowledge
Good to have:
  • Merchant switch software experience
  • SONiC open-source development
  • BSP development experience
  • Switch ASIC SDK familiarity
  • XGS driver or SAI development
  • Protocol development experience

Job Details

Responsibilities
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 experience in data center networking at massive scale. Responsibilities: - Lead design and development of switch OS for data center network devices; - Explore new networking, monitoring, and telemetry technologies to improve data center network efficiency and availability.
Qualifications
Minimum Qualifications - Bachelor's degree in CS or related major, with 5 or more years in professional software development - Master one or several of the mainstream programming languages including but not limited to: C/C++, Python, Go, bash - Passion in high-speed IP networking, hardware-software interaction, and hardware offloading technologies - Knowledge of Linux or Unix; proficient in Linux command line, vim/emacs - Knowledge on how switch/router works, embedded system hardware architecture, processor architecture, and switch/router OS - Hands-on experience in mainstream merchant switch software development, or SONiC open source development; experience in BSP development is a plus - Familiar with switch ASIC SDK, experience in XGS driver or SAI development is a plus - Familiar with or protocol development, experience in routing protocols, telemetry development - Strong problem solving and software troubleshooting skills - The desire and ability to work in a fast paced, collaborative environment. - Self-motivation and self-driving under limited supervision Preferred Qualifications - Hands-on experience in mainstream merchant switch software development, or SONiC open source development; experience in BSP development is a plus - Familiar with switch ASIC SDK, experience in XGS driver or SAI development is a plus
Job Information
About Us

Founded in 2012, ByteDance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including TikTok, Lemon8, CapCut and Pico as well as platforms specific to the China market, including Toutiao, Douyin, and Xigua, ByteDance has made it easier and more fun for people to connect with, consume, and create content.

Why Join ByteDance

Inspiring creativity is at the core of ByteDance's mission. Our innovative products are built to help people authentically express themselves, discover and connect – and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and enrich life - a mission we work towards every day.

As ByteDancers, we strive to do great things with great people. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. By constantly iterating and fostering an "Always Day 1" mindset, we achieve meaningful breakthroughs for ourselves, our Company, and our users. When we create and grow together, the possibilities are limitless. Join us.

Diversity & Inclusion

ByteDance is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At ByteDance, our mission is to inspire creativity and enrich life. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach. We are passionate about this and hope you are too.

Reasonable Accommodation

ByteDance is committed to providing reasonable accommodations in our recruitment processes for candidates with disabilities, pregnancy, sincerely held religious beliefs or other reasons protected by applicable laws. If you need assistance or a reasonable accommodation, please reach out to us at

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