Research Intern (RDMA/High Speed Network) - 2026 Start (PhD)

Responsibilities

• Design, optimization, implementation and deployment of high-performance transport protocols to support AI/LLM applications.
• Design, optimization, implementation and deployment of congestion control algorithms to support AI/LLM applications.
• Research and development of high-performance AI communication framework, network protocol stacks, and co-design optimization of host-network-application to improve the scalability, reliability and performance of AI/LLM networks.
• Follow the latest technologies from academia and industry, identify the innovative parts of the system and present in academic papers.

Qualifications

• Currently pursuing a PhD in computer networking or a related technical discipline.
• Experience with at least one of the following areas:
• Familiar with network protocols like TCP and RoCEv2, experience in network programming based on Socket and verbs APIs;
• Familiar with Data Center congestion control algorithms, understanding their pros and cons;
• Knowledge of scale-up protocols like PCIe, NVLink, UALink, and their differences with scale-out network protocols;
• Familiar with the latest advances in the area of high-speed network systems, including RDMA, congestion control, AI network optimization and so on;
• Proficiency in one or several mainstream programming languages, including C/C++, Python, Go and so on;
• Have some knowledge of GPU architecture;
• Experience in developing high performance communication frameworks (including NCCL, MPI and RPC libraries) is a plus.

Job Information

The hourly rate range for this position in the selected city is $57- $57.

Benefits may vary depending on the nature of employment and the country work location. Interns have day one access to health insurance, life insurance, wellbeing benefits and more. Interns also receive 10 paid holidays per year and paid sick time (56 hours if hired in first half of year, 40 if hired in second half of year). Interns who are not working 100% remote may also be eligible for housing allowance.

The Company reserves the right to modify or change these benefits programs at any time, with or without notice.

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.

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.